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[ CAS No. 29602-00-4 ]

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Chemical Structure| 29602-00-4
Chemical Structure| 29602-00-4
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Product Details of [ 29602-00-4 ]

CAS No. :29602-00-4 MDL No. :MFCD11100099
Formula : C9H8O5 Boiling Point : -
Linear Structure Formula :- InChI Key :GZKDVWHMQIMEQU-UHFFFAOYSA-N
M.W :196.16 Pubchem ID :15294629
Synonyms :

Safety of [ 29602-00-4 ]

Signal Word:Warning Class:
Precautionary Statements:P261-P264-P270-P271-P280-P301+P312-P302+P352-P304+P340-P330-P363-P501 UN#:
Hazard Statements:H302-H312-H332 Packing Group:
GHS Pictogram:

Application In Synthesis of [ 29602-00-4 ]

* 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 [ 29602-00-4 ]

[ 29602-00-4 ] Synthesis Path-Downstream   1~29

  • 1
  • [ 67-56-1 ]
  • [ 636-94-2 ]
  • [ 29602-00-4 ]
  • [ 6342-72-9 ]
  • 2
  • [ 85743-02-8 ]
  • [ 29602-00-4 ]
  • 3
  • [ 6342-72-9 ]
  • [ 29602-00-4 ]
YieldReaction ConditionsOperation in experiment
66.7% With sodium hydroxide; In methanol; at 0 - 5℃; for 1.0h; Added to the reaction container 6.30g (0.030mol) and DMHT 5.00g NaOH (0.120mol) aqueous solution 200 ml, ice water bath stirring, 0-5 C reaction 60 min is poured into the beaker, dilute hydrochloric acid to pH= 8, undissolved substances, adding dilute hydrochloric acid to pH= 4.4, filtering, drying the filter cake obtained after recrystallization with methanol 4.76g alpha-MHT white solid, melting point 207.6-208.4 C, purity 98.8%, yield 81.0%.
  • 4
  • [ 1679-64-7 ]
  • [ 29602-00-4 ]
  • [ 364364-87-4 ]
  • 2,6-dihydroxy-terephthalic acid monomethyl ester [ No CAS ]
  • 2,5-dihydroxy-terephthalic acid monomethyl ester [ No CAS ]
YieldReaction ConditionsOperation in experiment
With bubbling air In water at 20℃; for 12h; Irradiation;
With bubling air In water at 20℃; for 12h; Irradiation;
  • 5
  • [ 74-88-4 ]
  • acidic oxyterephthalacidic potassium [ No CAS ]
  • [ 29602-00-4 ]
  • [ 6342-72-9 ]
  • 6
  • [ 67-56-1 ]
  • [ 328-90-5 ]
  • [ 29602-00-4 ]
YieldReaction ConditionsOperation in experiment
3 3-Hydroxy-4-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenylcarbamoyl)benzoic acid Example 3 3-Hydroxy-4-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenylcarbamoyl)benzoic acid The starting material, 2-hydroxy-terephthalic acid 4monomethyl ester, was obtained by preparing 2-hydroxy-terephthalica acid from the diazonium salt of 2-amino-terephthalic acid dimethyl ester, and successively monomethylating the result using methanolsulfric acid. The resulting 4-carboxylic acid methyl ester (417 mg) Was dissolved in 30 ml of ethyl acetate and 4-dimethylaminopyridine (51 mg) was added. To the solution, a solution of dicyclohexylcarbodiimido (442 mg, 1 eq.) in ethyl acetate (10 ml) was added, and then a solution of 5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthylamine (454 mg) in ethyl acetate was added. After being allowed to stand overnight, the reaction mixture was extracted with ethyl acetate after water was added to the mixture. The extract was washed with 2N HCl, water, and 1N NaHCO3 and dried, and then concentrated to remove the solvent.
3 Example 3 Example 3 3-Hydroxy-4-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenylcarbamoyl)benzoic acid The starting material, 2-hydroxy-terephthalic acid 4-monomethyl ester, was obtained by preparing 2-hydroxy-terephthalica acid from the diazonium salt of 2-amino-terephthalic acid dimethyl ester, and successively monomethylating the result using methanol-sulfric acid. The resulting 4-carboxylic acid methyl ester (417 mg) was dissolved in 30 ml of ethyl acetate and 4-dimethylaminopyridine (51 mg) was added. To the solution, a solution of dicyclohexylcarbodiimido (442 mg, 1 eg.) in ethyl acetate (10 ml) was added, and then a solution of 5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthylamine (454 mg) in ethyl acetate was added. After being allowed to stand overnight, the reaction mixture was extracted with ethyl acetate after water was added to the mixture. The extract was washed with 2N HCl, water, and 1N NaHCO3 and dried, and then concentrated to remove the solvent.
  • 9
  • [ 7758-19-2 ]
  • [ 24589-98-8 ]
  • [ 29602-00-4 ]
YieldReaction ConditionsOperation in experiment
In water; dimethyl sulfoxide; Step-2 A solution of <strong>[24589-98-8]methyl 4-formyl-3-hydroxybenzoate</strong> (0.05 g, 0.27 mmol) and NaH2PO4.2H2O (0.11 g, 0.69 mmol) in DMSO: water, 2:1 (7.5 ml) was charged with sodium chlorite (0.075 g, 0.66 mmol) at 0 C. The reaction mixture was allowed to stir at room temperature for 12 hours. The reaction mixture was acidified with 1N HCl until pH=2. The precipitated white solid was filtered, washed with water several times and dried to give 2-hydroxy-4-(methoxycarbonyl)benzoic acid. Yield: (0.035 g, 65%). Molecular Weight: 196. MS (ES+): m/z=197.2 [MH+].
In water; dimethyl sulfoxide; Step-2 A solution of <strong>[24589-98-8]methyl 4-formyl-3-hydroxybenzoate</strong> (0.05 g, 0.27 mmol) and NaH2PO4.2H2O (0.11 g, 0.69 mmol) in DMSO:water, 2:1 (7.5 ml) was cooled to 0 C. and charged with sodium chlorite (0.075 g, 0.66 mmol). The reaction mixture was allowed to stir at room temperature for 12 hr. then acidified to pH 2 with 1N HCl. The precipitated white solid was filtered, washed with water several times and dried to give 2-hydroxy-4-(methoxycarbonyl)benzoic acid. Yield: (0.035 g, 65%). Molecular Weight: 196. MS (ES+): m/z=197.2 [MH+].
  • 10
  • [ 29602-00-4 ]
  • [ 1411993-55-9 ]
YieldReaction ConditionsOperation in experiment
With hydrogenchloride; thionyl chloride; triethanolamine In tetrahydrofuran 3 Step-3 Step-3 A solution of 2-hydroxy-4-(methoxycarbonyl)benzoic acid (0.20 g, 1 mmol) in THF (10 mL) was charged with thionyl chloride (0.121 g, 10 mmol) at 0° C. The reaction mixture was heated to 45° C. for 4 hours. The reaction mixture was concentrated in vacuo. The residue was diluted in dry DCM (5 ml), and charged with a solution of o-t-butyl amine.HCl (0.512 g, 4 mmol) and TEA (0.412 g, 4 mmol) in DCM (15 ml) at 0° C. The reaction mixture was charged with 1N HCl solution (15 ml) and separated. The organic layer dried over sodium sulfate, filtered, and concentrated in vacuo to obtain 0.205 g crude product. The crude product was purified by column chromatography on silica gel using hexane-ethyl acetate as eluent to give methyl 4-(benzoyloxy)-3-formylbenzoate. Yield: (0.16 g, 58.8%). Molecular Weight: 267. MS (ES+): m/z=268.05 [MH+].
  • 11
  • [ 29602-00-4 ]
  • [ 1411993-54-8 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: hydrogenchloride; sodium hydrogencarbonate; thionyl chloride / tetrahydrofuran 2: trilithium citrate / tetrahydrofuran; water
  • 12
  • [ 29602-00-4 ]
  • [ 1411993-53-7 ]
YieldReaction ConditionsOperation in experiment
With hydrogenchloride; thionyl chloride; sodium hydrogencarbonate In tetrahydrofuran 3 Step-3 Step-3 A solution of 2-hydroxy-4-(methoxycarbonyl)benzoic acid (0.05 g, 0.25 mmol) in THF (10 mL) was cooled to 0° C. and charged with thionyl chloride (0.303 g, 2.5 mmol) then the reaction mixture was heated to 45° C. for 4 hr. The reaction mixture was concentrated in vacuo and the residue was diluted with dry DCM (5 ml) and charged with a solution of o-phenyl amine.HCl (0.055 g, 0.38 mmol), NaHCO3 (0.038 mg, 0.45 mmol) and in DCM (15 ml) at 0° C. then the reaction was charged with 1N HCl solution (15 ml) and the organic was separated, dried over sodium sulfate, filtered, and concentrated in vacuo resulting in 0.07 g of crude product which was purified by column chromatography on silica gel eluting with hexane-ethyl acetate resulting in methyl 3-hydroxy-4-(phenoxycarbamoyl)benzoate. Yield: (0.5 g, 68%). Molecular Weight: 287. MS (ES+): m/z=288.1 [MH+].
  • 13
  • [ 29602-00-4 ]
  • [ 1411993-58-2 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 4 steps 1: hydrogenchloride; triethanolamine; thionyl chloride / tetrahydrofuran 2: dimethyl sulfoxide; water 3: dmap / hexane 4: hydrogenchloride / [(2)H6]acetone
  • 14
  • [ 29602-00-4 ]
  • [ 1411993-56-0 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: hydrogenchloride; triethanolamine; thionyl chloride / tetrahydrofuran 2: dimethyl sulfoxide; water
  • 15
  • [ 29602-00-4 ]
  • [ 1411993-57-1 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1: hydrogenchloride; triethanolamine; thionyl chloride / tetrahydrofuran 2: dimethyl sulfoxide; water 3: dmap / hexane
  • 16
  • [ 29602-00-4 ]
  • [ 593-56-6 ]
  • [ 1411992-84-1 ]
YieldReaction ConditionsOperation in experiment
64% With thionyl chloride; triethylamine In dichloromethane for 2h; 10.F.2 Step-2 Step-2 [0444] Products from step-1 were converted to desired amides either by conversion to acid chloride and subsequent reaction with ammonia/desired amine or by coupling reaction using EDCI-HOBT in DMF followed by usual work-up as described in method-A (step-4.) Crude products were purified by column chromatography over silica gel using methanol (0-30%) in chloroform. [0445] Intermediates C-76 & D-76 were synthesized by Heck reaction of the desired o-Hydroxy-4-bromo benzamides (Synthesized form 4-bromo-2-hydroxybenzoic acid as per general procedure described earlier) using ethyl acrylate and following the procedure described in the literature for analogous compounds (Bull. Korean Chem. Soc. 1999, Vol. 20, 232-236) [0446] Intermediate C-86 was synthesized by the procedure described in the literature (J. Med. Chem. 43, 1670-1683, 2000) [0447] The details of compounds synthesized are as below in Table 32. B-75 (1 eq), DCM (75 Vol), TEA (1.5 eq) Thionyl chloride (1.5 eq) 0° C. 1 h. NH2OMe•HCl (1.5 eq) DCM (32 vol), TEA (2 eq) was added and stirred for 2 h. purified by column chromatography (0-30% Methanol-chloroform), Yield - 64%,
  • 17
  • [ 24589-98-8 ]
  • [ 29602-00-4 ]
YieldReaction ConditionsOperation in experiment
35.46% With sodium chlorite; sodium dihydrogenphosphate dihydrate; dihydrogen peroxide; In water; acetonitrile; at 0 - 20℃; Ortho hydroxy aromatic aldehydes, with carbethoxy or methoxy functionality at suitable position were oxidized to get o-carboxy phenols which were then converted to amide by reaction either with ammonia/o-Methyl hydroxylamine. Ester functionality was then hydrolyzed to get required o-Hydroxy amido carboxylic acid, which upon coupling with tert-butyl 3-(piperidin-4-yl)benzylcarbamate and subsequent deprotection in acidic media afforded the title compounds. Step-1 [0443] Desired Carbmethoxy hydroxy benzaldehyde was dissolved in Acetonitrile and aq solution of di-sodium hydrogen phosphate & 30% hydrogen peroxide was then added and reaction mass cooled to 0 C. Aq. solution of Sodium chlorite was added to the reaction mass drop wise and reaction mass was allowed to warm to room temperature. Stirring continued at room temperature and reaction was monitored by LCMS till maximum starting was consumed. Reaction mass was then concentrated, residue was acidified with aq. HCl and product extracted in ethyl acetate. Ethyl acetate extract dried over sodium sulfate and concentrated to get the crude product which was sufficient pure for the use in next step. The details of the compounds synthesized are as below in Table 31. 4-Formyl, 3-Hydroxy methyl benzoate, (1 eq) ACN (65 V), NaH2PO4?2H2O (0.32 eq in 11 V water), H2O2 30% solution (5 eq) NaClO2 (1.4 eq in 10 V of water) RT 2 h. Yield - 35.46%
  • 18
  • [ 29602-00-4 ]
  • [ 876165-62-7 ]
YieldReaction ConditionsOperation in experiment
10% With ammonium hydroxide; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In water; N,N-dimethyl-formamide at 20℃; for 14h; 10.F.2 Step-2 Step-2 [0444] Products from step-1 were converted to desired amides either by conversion to acid chloride and subsequent reaction with ammonia/desired amine or by coupling reaction using EDCI-HOBT in DMF followed by usual work-up as described in method-A (step-4.) Crude products were purified by column chromatography over silica gel using methanol (0-30%) in chloroform. [0445] Intermediates C-76 & D-76 were synthesized by Heck reaction of the desired o-Hydroxy-4-bromo benzamides (Synthesized form 4-bromo-2-hydroxybenzoic acid as per general procedure described earlier) using ethyl acrylate and following the procedure described in the literature for analogous compounds (Bull. Korean Chem. Soc. 1999, Vol. 20, 232-236) [0446] Intermediate C-86 was synthesized by the procedure described in the literature (J. Med. Chem. 43, 1670-1683, 2000) [0447] The details of compounds synthesized are as below in Table 32. EDCI (1.1 eq.), HOBT (1.1 eq.), aq ammonia (4 eq.), DMF (60 vol), RT, 14 h, purified by column chromatography (0- 30% Methanol-chloroform), Yield - 10%,
  • 19
  • [ 29602-00-4 ]
  • [ 773056-90-9 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol; ammonium hydroxide / water; N,N-dimethyl-formamide / 14 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran / 4 h / 20 °C
  • 20
  • [ 29602-00-4 ]
  • [ 1431546-51-8 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol; ammonium hydroxide / water; N,N-dimethyl-formamide / 14 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran / 4 h / 20 °C 3: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; dmap / dichloromethane / 4 h / 20 °C
  • 21
  • [ 29602-00-4 ]
  • 4-(4-(3-(aminomethyl)phenyl)piperidine-1-carbonyl)-2-hydroxybenzamide trifluoroacetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 4 steps 1: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol; ammonium hydroxide / water; N,N-dimethyl-formamide / 14 h / 20 °C 2: lithium hydroxide; water / tetrahydrofuran / 4 h / 20 °C 3: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; dmap / dichloromethane / 4 h / 20 °C 4: hydrogenchloride / methanol / 4 h / 20 °C
  • 22
  • [ 29602-00-4 ]
  • C9H7ClO4 [ No CAS ]
YieldReaction ConditionsOperation in experiment
With thionyl chloride; triethylamine In dichloromethane at 0℃; for 1h;
  • 23
  • [ 29602-00-4 ]
  • [ 1411992-84-1 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: thionyl chloride; triethylamine / dichloromethane / 1 h / 0 °C 2: triethylamine / dichloromethane / 2 h / 0 °C
  • 24
  • [ 29602-00-4 ]
  • [ 1411992-88-5 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1: thionyl chloride; triethylamine / dichloromethane / 1 h / 0 °C 2: triethylamine / dichloromethane / 2 h / 0 °C 3: lithium hydroxide / tetrahydrofuran; water / 4 h / 20 °C
  • 25
  • [ 29602-00-4 ]
  • [ 1411992-92-1 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 4 steps 1.1: thionyl chloride; triethylamine / dichloromethane / 1 h / 0 °C 2.1: triethylamine / dichloromethane / 2 h / 0 °C 3.1: lithium hydroxide / tetrahydrofuran; water / 4 h / 20 °C 4.1: dmap; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide / dichloromethane / 0.25 h 4.2: 4 h / 20 °C
  • 26
  • [ 29602-00-4 ]
  • [ 1411991-90-6 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1.1: thionyl chloride; triethylamine / dichloromethane / 1 h / 0 °C 2.1: triethylamine / dichloromethane / 2 h / 0 °C 3.1: lithium hydroxide / tetrahydrofuran; water / 4 h / 20 °C 4.1: dmap; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide / dichloromethane / 0.25 h 4.2: 4 h / 20 °C 5.1: hydrogenchloride / methanol / 4 h / 20 °C
  • 27
  • [ 29602-00-4 ]
  • tert-butyl ((1′-(3-hydroxy-4-(methoxycarbamoyl)benzoyl)-2H-spiro[benzofuran-3,4′-piperidin]-5-yl)methyl)carbamate [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 4 steps 1: thionyl chloride; triethylamine / dichloromethane / 1 h / 0 °C 2: triethylamine / dichloromethane / 2 h / 0 °C 3: lithium hydroxide / tetrahydrofuran; water / 4 h / 20 °C 4: dmap; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide / dichloromethane / 3 h / 20 °C
  • 28
  • [ 29602-00-4 ]
  • 4-(5-(aminomethyl)-2H-spiro[benzofuran-3,4′-piperidine]-1′-carbonyl)-2-hydroxy-N-methoxybenzamide trifluoroacetate [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 5 steps 1: thionyl chloride; triethylamine / dichloromethane / 1 h / 0 °C 2: triethylamine / dichloromethane / 2 h / 0 °C 3: lithium hydroxide / tetrahydrofuran; water / 4 h / 20 °C 4: dmap; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide / dichloromethane / 3 h / 20 °C 5: dichloromethane / 3 h / 20 °C
  • 29
  • [ 636-94-2 ]
  • S-(5′-adenosyl)-L-methionine [ No CAS ]
  • [ 29602-00-4 ]
YieldReaction ConditionsOperation in experiment
With histidine tagged carboxyl methyltransferase from Aspergillus fumigatus; histidine tagged S-adenosylhomocysteine nucleosidase In aq. buffer at 25℃; for 16h; Enzymatic reaction; regioselective reaction;
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