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[ CAS No. 114932-86-4 ] {[proInfo.proName]}

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Chemical Structure| 114932-86-4
Chemical Structure| 114932-86-4
Structure of 114932-86-4 * Storage: {[proInfo.prStorage]}
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Product Details of [ 114932-86-4 ]

CAS No. :114932-86-4 MDL No. :MFCD18366122
Formula : C6H10O2 Boiling Point : -
Linear Structure Formula :- InChI Key :HJYVFFLYCSUEOE-UHFFFAOYSA-N
M.W : 114.14 Pubchem ID :21702736
Synonyms :

Safety of [ 114932-86-4 ]

Signal Word:Danger Class:3
Precautionary Statements:P210-P240-P241-P242-P243-P261-P264-P271-P280-P302+P352-P303+P361+P353-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P370+P378-P403+P233-P403+P235-P405-P501 UN#:1993
Hazard Statements:H225-H315-H319-H335 Packing Group:
GHS Pictogram:

Application In Synthesis of [ 114932-86-4 ]

* 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 [ 114932-86-4 ]

[ 114932-86-4 ] Synthesis Path-Downstream   1~7

  • 1
  • [ 75-16-1 ]
  • [ 766539-67-7 ]
  • [ 114932-86-4 ]
YieldReaction ConditionsOperation in experiment
64% In tetrahydrofuran; 2-methyltetrahydrofuran at 0 - 20℃; for 16h; 172 1 -Tetrahydrofuran-3-ylethanone To a solution of N-methoxy-N-methyl-tetrahydrofuran-3-carboxamide (276 mg, 1 .73 mmol) in THF (8 mL), at 0 °C, was added bromo(methyl)magnesium (3.4 M in 2-MeTHF, 0.7 mL, 2.25 mmol). The reaction mixture was stirred at RT for 16 h. The reaction mixture was quenched with HCI (1 M in water), the residue was diluted with diethyl ether, washed with water, dried over sodium sulfate and concentrated under reduced pressure to afford crude 1-tetrahydrofuran-3-ylethanone (127 mg, 1.11 mmol, 64% yield) as a clear oil. 1H NMR (400 MHz, CDCI3, ): 4.00-3.70 (m, 4H), 3.27-3.18 (m, 1H), 2.23 (5, 3H), 2.17-2.09 (m, 2H).
In tetrahydrofuran at -78℃; for 1.5h; 2.125.a Step a Intermediate 61 -(Tetrahydrofuran-3-yl)ethanone Step a Intermediate 61 -(Tetrahydrofuran-3-yl)ethanone To a solution of N-methoxy-N-methyltetrahydrofuran-3-carboxamide (CAS 766539-67- 7, 1 g, 6.28 mmol) in THF (10 ml) at -78 °C was added methylmagnesium bromide (3 M in THF, 2.51 ml, 7.54 mmol) dropwise. The reaction was then stirred at -78 °C for 1.5 h. The mixture was quenched with water and extracted with EtOAc. The organic phase was dried (MgS0 ) and concentrated under reduced pressure to give 1- (tetrahydrofuran-3-yl)ethanone as a pale yellow oil (320 mg, 45 %). Used crude in the next step.
400 mg In tetrahydrofuran at 0 - 20℃; for 16h; Step 2: Preparation of 1-(tetrahydrofuran-3-yl)ethenone. To a solution of N-methoxy-N-methyltetrahydrofuran-3-carboxamide (900 mg, 5.65mmol) in THF (50 ml) was added methylmagnesium bromide (2.8 ml, 3M, 8.5mmol) at 0 °C and the resultant mixture was stirred at 20 °C for 16 h. The resultant mixture was quenched with water (2 ml) and dried anhydrous sodium sulfate, filtered and concentrated. The crude residue was purified combi -flash (methanol / dichloromethane: 10: 100) to obtain 1-(tetrahydrofuran-3-yl)ethanone (400mg, 62%) as yellow oil. 1H NMR (400 MHz, Chloroform-d) d 3.98 - 3.83 (m, 3H), 3.83 - 3.72 (m, 1 H), 3.27 - 3.13 (m, 1 H), 2.21 (s, 3H), 2.16 - 2.07 (m, 2H). LCMS (ESI) m/z: 115.2 [M+H]+.
400 mg In tetrahydrofuran at 0 - 20℃; for 16h; Step 2: Preparation of 1-(tetrahydrofuran-3-yl)ethenone. To a solution of N-methoxy-N-methyltetrahydrofuran-3-carboxamide (900 mg, 5.65mmol) in THF (50 ml) was added methylmagnesium bromide (2.8 ml, 3M, 8.5mmol) at 0 °C and the resultant mixture was stirred at 20 °C for 16 h. The resultant mixture was quenched with water (2 ml) and dried anhydrous sodium sulfate, filtered and concentrated. The crude residue was purified combi -flash (methanol / dichloromethane: 10: 100) to obtain 1-(tetrahydrofuran-3-yl)ethanone (400mg, 62%) as yellow oil. 1H NMR (400 MHz, Chloroform-d) d 3.98 - 3.83 (m, 3H), 3.83 - 3.72 (m, 1 H), 3.27 - 3.13 (m, 1 H), 2.21 (s, 3H), 2.16 - 2.07 (m, 2H). LCMS (ESI) m/z: 115.2 [M+H]+.
400 mg In tetrahydrofuran at 0 - 20℃; for 16h; Step 2: Preparation of 1-(tetrahydrofuran-3-yl)ethenone. To a solution of N-methoxy-N-methyltetrahydrofuran-3-carboxamide (900 mg, 5.65mmol) in THF (50 ml) was added methylmagnesium bromide (2.8 ml, 3M, 8.5mmol) at 0 °C and the resultant mixture was stirred at 20 °C for 16 h. The resultant mixture was quenched with water (2 ml) and dried anhydrous sodium sulfate, filtered and concentrated. The crude residue was purified combi -flash (methanol / dichloromethane: 10: 100) to obtain 1-(tetrahydrofuran-3-yl)ethanone (400mg, 62%) as yellow oil. 1H NMR (400 MHz, Chloroform-d) d 3.98 - 3.83 (m, 3H), 3.83 - 3.72 (m, 1 H), 3.27 - 3.13 (m, 1 H), 2.21 (s, 3H), 2.16 - 2.07 (m, 2H). LCMS (ESI) m/z: 115.2 [M+H]+.

  • 2
  • [ 89364-31-8 ]
  • [ 114932-86-4 ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: triethylamine; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / ethyl acetate; dichloromethane / 16 h / 20 °C 2: tetrahydrofuran; 2-methyltetrahydrofuran / 16 h / 0 - 20 °C
Multi-step reaction with 2 steps 1.1: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 2 h / 0 - 20 °C 1.2: 17 h / 3 - 20 °C 2.1: tetrahydrofuran / 16 h / 0 - 20 °C
  • 3
  • [ 114932-86-4 ]
  • [ 1101023-98-6 ]
YieldReaction ConditionsOperation in experiment
With bromine In diethyl ether at 0 - 20℃; for 2h; 85 To a solution of 1-(tetrahydrofuran-3-yl)ethan-1-one (560 mg, 4.9 mmol) in Et2O (10 mL) was added Br2(784 mg, 4.9 mmol) at 0 °C. The mixture was stirred at RT for 2 h and concentrated to give crude 2-bromo-1-(tetrahydrofuran-3-yl)ethan-1-one (950 mg) as a yellow oil. LC-MS m/z: 193.1 [M+H]+. HPLC Purity (214 nm): 29%; tR= 0.49 min
  • 4
  • [ 114932-86-4 ]
  • 2-methoxy-4-(tetrahydrofuran-3-yl)-1H-imidazole [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: bromine / diethyl ether / 2 h / 0 - 20 °C 2: sodium hydrogencarbonate / ethanol / 12 h / 70 °C
  • 5
  • [ 114932-86-4 ]
  • [ 4637-24-5 ]
  • (E)-3-(dimethylamino)-1-(tetrahydrofuran-3-yl)prop-2-en-1-one [ No CAS ]
YieldReaction ConditionsOperation in experiment
95% at 110℃; for 16h; Inert atmosphere; Step 3: Preparation of (E)-3-(dimethylamino)-1-(tetrahydrofuran-3-yl)prop-2-en-1-one. A solution of 1-(tetrahydrofuran-3-yl)ethanone (400mg, 3.5mmol) and DMAc (4 mL) was stirred at 110 °C for 16h under argon protection. The mixture was concentrated to obtain (E)-3-(dimethylamino)- 1-(tetrahydrofuran-3-yl)prop-2-en-1-one ( 560mg, 95%) as yellow oil. LCMS (ESI) m/z: 170.2 [M+H]+.
95% at 110℃; for 16h; Inert atmosphere; Step 3: Preparation of (E)-3-(dimethylamino)-1-(tetrahydrofuran-3-yl)prop-2-en-1-one. A solution of 1-(tetrahydrofuran-3-yl)ethanone (400mg, 3.5mmol) and DMAc (4 mL) was stirred at 110 °C for 16h under argon protection. The mixture was concentrated to obtain (E)-3-(dimethylamino)- 1-(tetrahydrofuran-3-yl)prop-2-en-1-one ( 560mg, 95%) as yellow oil. LCMS (ESI) m/z: 170.2 [M+H]+.
95% at 110℃; for 16h; Inert atmosphere; Step 3: Preparation of (E)-3-(dimethylamino)-1-(tetrahydrofuran-3-yl)prop-2-en-1-one. A solution of 1-(tetrahydrofuran-3-yl)ethanone (400mg, 3.5mmol) and DMAc (4 mL) was stirred at 110 °C for 16h under argon protection. The mixture was concentrated to obtain (E)-3-(dimethylamino)- 1-(tetrahydrofuran-3-yl)prop-2-en-1-one ( 560mg, 95%) as yellow oil. LCMS (ESI) m/z: 170.2 [M+H]+.
  • 6
  • [ 114932-86-4 ]
  • 3-(tetrahydrofuran-3-yl)-1H-pyrazole [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 2 steps 1: 16 h / 110 °C / Inert atmosphere 2: hydrazine / ethanol / 3 h / Reflux
  • 7
  • [ 114932-86-4 ]
  • 4-(9-methyl-8-(pyridin-4-yl)-2-(3-(tetrahydrofuran-3-yl)-1H-pyrazol-1-yl)-9H-purin-6-yl)morpholine [ No CAS ]
YieldReaction ConditionsOperation in experiment
Multi-step reaction with 3 steps 1: 16 h / 110 °C / Inert atmosphere 2: hydrazine / ethanol / 3 h / Reflux 3: caesium carbonate / N,N-dimethyl acetamide / 17 h / 120 °C / Inert atmosphere
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