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[ CAS No. 2510-27-2 ] {[proInfo.proName]}

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3d Animation Molecule Structure of 2510-27-2
Chemical Structure| 2510-27-2
Chemical Structure| 2510-27-2
Structure of 2510-27-2 * Storage: {[proInfo.prStorage]}
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Product Details of [ 2510-27-2 ]

CAS No. :2510-27-2 MDL No. :MFCD05864546
Formula : C7H9NO3 Boiling Point : -
Linear Structure Formula :- InChI Key :ZEONKMXUCHNYRN-UHFFFAOYSA-N
M.W : 155.15 Pubchem ID :2063338
Synonyms :

Calculated chemistry of [ 2510-27-2 ]

Physicochemical Properties

Num. heavy atoms : 11
Num. arom. heavy atoms : 5
Fraction Csp3 : 0.43
Num. rotatable bonds : 2
Num. H-bond acceptors : 4.0
Num. H-bond donors : 1.0
Molar Refractivity : 37.98
TPSA : 63.33 Ų

Pharmacokinetics

GI absorption : High
BBB permeant : Yes
P-gp substrate : No
CYP1A2 inhibitor : No
CYP2C19 inhibitor : No
CYP2C9 inhibitor : No
CYP2D6 inhibitor : No
CYP3A4 inhibitor : No
Log Kp (skin permeation) : -6.8 cm/s

Lipophilicity

Log Po/w (iLOGP) : 1.22
Log Po/w (XLOGP3) : 0.63
Log Po/w (WLOGP) : 0.92
Log Po/w (MLOGP) : 0.06
Log Po/w (SILICOS-IT) : 1.37
Consensus Log Po/w : 0.84

Druglikeness

Lipinski : 0.0
Ghose : None
Veber : 0.0
Egan : 0.0
Muegge : 1.0
Bioavailability Score : 0.56

Water Solubility

Log S (ESOL) : -1.4
Solubility : 6.13 mg/ml ; 0.0395 mol/l
Class : Very soluble
Log S (Ali) : -1.53
Solubility : 4.53 mg/ml ; 0.0292 mol/l
Class : Very soluble
Log S (SILICOS-IT) : -1.78
Solubility : 2.59 mg/ml ; 0.0167 mol/l
Class : Soluble

Medicinal Chemistry

PAINS : 0.0 alert
Brenk : 0.0 alert
Leadlikeness : 1.0
Synthetic accessibility : 2.75

Safety of [ 2510-27-2 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P261-P305+P351+P338 UN#:N/A
Hazard Statements:H302-H315-H319-H335 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 2510-27-2 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 2510-27-2 ]

[ 2510-27-2 ] Synthesis Path-Downstream   1~58

  • 2
  • [ 6066-82-6 ]
  • [ 2510-27-2 ]
  • N-<(3,5-dimethylisoxazol-4-yl)-acetoxy>-succinimide [ No CAS ]
  • 3
  • [ 2510-27-2 ]
  • [ 37059-79-3 ]
  • diphenylmethyl 7β-(3,5-dimethylisoxazol-4-yl-acetamido)-3-<(2-methylthiadiazol-5-yl)-thiomethyl>-ceph-3-em-4-carboxylate [ No CAS ]
  • 4
  • [ 2510-27-2 ]
  • [ 53090-86-1 ]
  • diphenylmethyl 7β-(3,5-dimethylisoxazol-4-yl-acetamido)-3-<(1-methyltetrazol-5-yl)-thiomethyl>-ceph-3-em-4-carboxylate [ No CAS ]
  • 5
  • [ 2510-27-2 ]
  • [ 144102-13-6 ]
YieldReaction ConditionsOperation in experiment
With oxalyl dichloride;N,N-dimethyl-formamide; In 1,2-dichloro-ethane; at 20℃; for 1.0h; Example 9 2-(1-{4-[2-(3,5-Dimethyl-isoxazol-4-yl)-acetylamino]-2-fluoro-phenyl}-piperidin-4-yl)-N,N-diethyl-2-phenyl-acetamide; A mixture of <strong>[2510-27-2](3,5-dimethyl-isoxazol-4-yl)-acetic acid</strong> (1.0 mmol) and DMF (0.050 mL) in DCE (10 mL) was treated with (COCl)2 (10 mmol), dropwise. The mixture was stirred at rt for 1 h and was concentrated.
  • 6
  • [ 2510-27-2 ]
  • [ 15205-11-5 ]
  • N-[(2-chloro-4-fluorophenyl)methyl]-2-(3,5-dimethyl-4-isoxazolyl)acetamide [ No CAS ]
YieldReaction ConditionsOperation in experiment
With N-ethylmorpholine;; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In N,N-dimethyl-formamide; at 22℃; for 18.0h; Example 1 lambda/-[(2-Chloro-4-fluorophenyl)methyl]-2-(3,5-dimethyl-4- isoxazolyl)acetamide (E1 ); (3,5-Dimethyl-4-isoxazolyl)acetic acid (0.100 g, 0.64 mmol, purchased from commercial sources) was dissolved in anhydrous dimethylformamide (3 ml) and to this was added water soluble carbodiimide (0.148 g, 0.773 mmol), 1- hydroxybenzotriazole (0.104 g, 0.77 mmol), N-ethyl morpholine (0.246 ml, 1.93 mmol), and [(2-chloro-4-fluorophenyl)methyl]amine (0.1 17 g). The mixture was stirred at room temperature (22C) for 18 hrs and then evaporated to give the crude product. The crude material was purified by mass-directed automated HPLC to give pure lambda/-[(2-chloro-4-fluorophenyl)methyl]-2-(3,5-dimethyl-4-isoxazolyl)acetamide (0.135 g) as a white solid. LC/MS [M+H]+ = 297, retention time = 2.46 minutes.
  • 7
  • 1-(2-bromo-4-fluorophenyl)methan-1-amine [ No CAS ]
  • [ 2510-27-2 ]
  • N-[(2-bromo-4-fluorophenyl)methyl]-2-(3,5-dimethyl-4-isoxazolyl)acetamide [ No CAS ]
YieldReaction ConditionsOperation in experiment
With N-ethylmorpholine;; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In dichloromethane; at 20℃; for 5.0h; Example 2 lambda/-[(2-Bromo-4-fluorophenyl)methyl]-2-(3,5-dimethyl-4- isoxazolyl)acetamide (E2); (3,5-Dimethyl-4-isoxazolyl)acetic acid (0.051 g, 0.33 mmol) was dissolved in dichloromethane (4 ml) and to this was added water soluble carbodiimide (0.059 g, 0.31 mmol), 1-hydroxybenzotriazole (0.041 g, 0.31 mmol), N-ethyl morpholine (0.156 ml, 1.24 mmol), and [(2-bromo-4-fluorophenyl)methyl]amine (0.075 g, 0.31 mmol). The mixture was stirred at room temperature for 5 hrs and then the mixture was washed sequentially with saturated aqueous sodium hydrogen carbonate and 2N aqueous hydrogen chloride. The organic layer was filtered through a hydrophobic frit and evaporated to give the crude product. The crude material was purified by mass- directed automated HPLC to give pure lambda/-[(2-bromo-4-fluorophenyl)methyl]-2-(3,5- <n="18"/>dimethyl-4-isoxazolyl)acetamide (0.061 g) as a white solid. LC/MS [M+H]+ = 341 , retention time = 2.57 minutes.
  • 9
  • [ 2510-27-2 ]
  • 7β-(3,5-dimethylisoxazol-4-yl-acetamido)-3-<(2-methylthiadiazol-5-yl)-thiomethyl>-ceph-3-em-4-carboxylic acid [ No CAS ]
YieldReaction ConditionsOperation in experiment
51% With hydrazine hydrate; In methanol; at 20℃; for 3.0h; General procedure: Ester Hydrolysis To a solution of the ester (1.0 eq.) in methanol (1.4 mL mmol"1) was added hydrazine monohydrate (1.5 eq.) and the reaction stirred at room temperature for 3 h. Reaction mixture was concentrated under reduced pressure, yielding carboxylic acid without further purification.
  • 12
  • [ 2510-27-2 ]
  • [ 1443209-30-0 ]
  • [ 1443209-37-7 ]
  • 13
  • [ 18835-02-4 ]
  • [ 2510-27-2 ]
  • 14
  • [ 2510-27-2 ]
  • C26H30N4O5S [ No CAS ]
  • 15
  • [ 2510-27-2 ]
  • [ 1443208-91-0 ]
  • 16
  • [ 13984-53-7 ]
  • [ 2510-27-2 ]
  • 17
  • [ 154928-90-2 ]
  • [ 2510-27-2 ]
  • 18
  • [ 2510-27-2 ]
  • C9H17N3O2 [ No CAS ]
  • C16H24N4O4 [ No CAS ]
  • 19
  • [ 2510-27-2 ]
  • 3-[1-(azetidin-3-ylsulfonyl)-4-piperidyl]furo[3,2-b]pyridine hydrochloride [ No CAS ]
  • 2-(3,5-dimethyl-1,2-oxazol-4-yl)-1-[3-(4-furo[3,2-b]pyridin-3-ylpiperidin-1-yl)sulfonylazetidin-1-yl]ethanone [ No CAS ]
YieldReaction ConditionsOperation in experiment
15 mg With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate; In N,N-dimethyl-formamide; at 20℃; for 1.0h; To the solution of 3-[l -(azetidin-3 -yl sulfonyl)-4-piperidyl] furo [3 ,2-b]pyridinehydrochloride salt (35.8 mg, 1 equiv.) and <strong>[2510-27-2]2-(3,5-dimethylisoxazol-4-yl)acetic acid</strong> (17.1 mg, 1.1 equiv.) in DMF (1.0 mL) DIPEA (57.4 1iL, 3.3 equiv.) was added, followed by HATU (41.8 mg, 1.1 equiv.), and the resulting solution was stirred at RT. After one hour, reaction mixture was diluted with EtOAc (10 mL), transferred to a separatory funnelcontaining distilled water and extracted with EtOAc (3 x 100 mL). The combined organic extracts were dried over Na2SO4, filtered, and solvent was removed in vacuo. The crude product was purified by preparative TLC eluting with 10% MeOHIEtOAc to afford the expected product (15 mg). LCMS: MW (calcd): 458.53; MS (ES, m/z): 459.7 [M+H].
  • 20
  • [ 2510-27-2 ]
  • [ 40217-17-2 ]
  • (R)-4-benzyl-3-(2-(3,5-dimethylisoxazol-4-yl)acetyl)oxazolidin-2-one [ No CAS ]
  • 21
  • [ 2510-27-2 ]
  • (2R)-2-amino-N-(cyanomethyl)-3-[4-(2-pyridyl)piperazin-1-yl]sulfonyl-propanamide [ No CAS ]
  • C21H27N7O5S [ No CAS ]
YieldReaction ConditionsOperation in experiment
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 50℃;
  • 22
  • [ 2510-27-2 ]
  • (2S)-2-amino-N-(cyanomethyl)-3-[4-(2-pyridyl)piperazin-1-yl]sulfonyl-propanamide [ No CAS ]
  • C21H27N7O5S [ No CAS ]
YieldReaction ConditionsOperation in experiment
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 50℃;
  • 23
  • [ 2510-27-2 ]
  • 1-(4-fluorobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 24
  • [ 2510-27-2 ]
  • 1-(2,4-difluorobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 25
  • [ 2510-27-2 ]
  • 1-(2,5-difluorobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 26
  • [ 2510-27-2 ]
  • 1-(3,4-difluorobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 27
  • [ 2510-27-2 ]
  • 1-(2-chlorobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 28
  • [ 2510-27-2 ]
  • 1-(3-chlorobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 29
  • [ 2510-27-2 ]
  • 1-(4-chlorobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 30
  • [ 2510-27-2 ]
  • 1-(2,4-dichlorobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 31
  • [ 2510-27-2 ]
  • 1-(2,5-dichlorobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 32
  • [ 2510-27-2 ]
  • 1-(3,4-dichlorobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
  • 33
  • [ 2510-27-2 ]
  • 1-(2-chloro-4-fluorobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 34
  • [ 2510-27-2 ]
  • 1-(2-chloro-5-fluorobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
  • 35
  • [ 2510-27-2 ]
  • 1-(3-chloro-4-fluorobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 36
  • [ 2510-27-2 ]
  • 1-(3-bromobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 37
  • [ 2510-27-2 ]
  • 1-(4-bromobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 38
  • [ 2510-27-2 ]
  • 1-(3-cyanobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 39
  • [ 2510-27-2 ]
  • 1-(4-cyanobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 40
  • [ 2510-27-2 ]
  • 1-(2-trifluoromethylbenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 41
  • [ 2510-27-2 ]
  • 1-(3-trifluoromethylbenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 42
  • [ 2510-27-2 ]
  • 1-(4-trifluoromethylbenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 43
  • [ 2510-27-2 ]
  • 1-((6-chloropyridin-3-yl)methyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 44
  • [ 2510-27-2 ]
  • 1-(4-tert-butylbenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 45
  • [ 2510-27-2 ]
  • 1-(2-methylbenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 46
  • [ 2510-27-2 ]
  • 1-(3-methylbenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 47
  • [ 2510-27-2 ]
  • 1-(4-methylbenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 48
  • [ 2510-27-2 ]
  • 1-(2,5-dimethylbenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 49
  • [ 2510-27-2 ]
  • 1-benzyl-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 50
  • [ 2510-27-2 ]
  • 2-(3,5-dimethylisoxazol-4-yl)malonic acid [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C
  • 51
  • [ 2510-27-2 ]
  • 1-((2-chlorothiazol-5-yl)methyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 52
  • [ 2510-27-2 ]
  • 2-(3,5-dimethylisoxazol-4-yl)malonyl dichloride [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 4 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane
Multi-step reaction with 4 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C
  • 53
  • [ 2510-27-2 ]
  • 1-((2-chlorothiazol-5-yl)methyl)-3-(3,5-dimethylisoxazol-4-yl)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 54
  • [ 2510-27-2 ]
  • C10H13NO5 [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux
  • 55
  • [ 2510-27-2 ]
  • 1-(2-fluorobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 56
  • [ 2510-27-2 ]
  • 1-(3-fluorobenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane 5: triethylamine / dichloromethane / 20 °C
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
  • 57
  • [ 67-56-1 ]
  • [ 2510-27-2 ]
  • methyl 2-(3,5-dimethylisoxazol-4-yl)acetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
98.22% With sulfuric acid Reflux; 1.1 (1) Preparation of methyl 2-(3,5-dimethylisoxazol-4-yl)acetate: Add 2-(3,5-dimethylisoxazol-4-yl)acetic acid (17.05g, 110mmol) and anhydrous methanol (100mL) into a 250mL three-necked round bottom flask, add 5 drops of concentrated sulfuric acid, heat up to reflux After the reaction for 6-10 hours, after the reaction was completed, the solvent was concentrated, 100 mL of water was added, extracted with ethyl acetate (3×60 mL), the organic phases were combined, dried over anhydrous sodium sulfate, and the solvent was spin-dried to obtain 18.3 g of a colorless liquid with a yield of 98.22 g %.
98.22% With sulfuric acid Reflux; 1.1 (1) Preparation of methyl 2-(3,5-dimethylisoxazol-4-yl)acetate: Add 2-(3,5-dimethylisoxazol-4-yl)acetic acid (17.05g, 110mmol) and anhydrous methanol (100mL) into a 250mL three-necked round bottom flask, add 5 drops of concentrated sulfuric acid, heat up to reflux After the reaction for 6-10 hours, after the reaction was completed, the solvent was concentrated, 100 mL of water was added, extracted with ethyl acetate (3×60 mL), the organic phases were combined, dried over anhydrous sodium sulfate, and the solvent was spin-dried to obtain 18.3 g of a colorless liquid with a yield of 98.22 g %.
  • 58
  • [ 2510-27-2 ]
  • 1-(3,4-dimethylbenzyl)-3-(3,5-dimethylisoxazol-4-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidinium inner salt [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: sulfuric acid / Reflux 2: sodium hydride / Reflux 3: sodium hydroxide; water / ethanol / 20 °C 4: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 20 °C 5: triethylamine / dichloromethane / 20 °C
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