4-{2-[4-(2,3-difluoro-benzyloxy)-phenyl]-6,7-dihydro-4H-oxazolo[4,5-c]pyridine-5-yl}-butyric acid

Base Information

Chemical Name:4-{2-[4-(2,3-difluoro-benzyloxy)-phenyl]-6,7-dihydro-4H-oxazolo[4,5-c]pyridine-5-yl}-butyric acid
CAS No.:1354906-02-7
Molecular Formula:C₂₃H₂₂F₂N₂O₄
Molecular Weight:428.435
Hs Code.:

Synonyms:4-{2-[4-(2,3-difluoro-benzyloxy)-phenyl]-6,7-dihydro-4H-oxazolo[4,5-c]pyridine-5-yl}-butyric acid

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Chemical Property of 4-{2-[4-(2,3-difluoro-benzyloxy)-phenyl]-6,7-dihydro-4H-oxazolo[4,5-c]pyridine-5-yl}-butyric acid

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Technology Process of 4-{2-[4-(2,3-difluoro-benzyloxy)-phenyl]-6,7-dihydro-4H-oxazolo[4,5-c]pyridine-5-yl}-butyric acid

There total 9 articles about 4-{2-[4-(2,3-difluoro-benzyloxy)-phenyl]-6,7-dihydro-4H-oxazolo[4,5-c]pyridine-5-yl}-butyric acid which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 99.0%

: 1354910-15-8
4-{2-[4-(2,3-difluoro-benzyloxy)-phenyl]-6,7-dihydro-4H-oxazolo[4,5-c]pyridine-5-yl}-butyric acid t-butyl ester

: 1354906-02-7
4-{2-[4-(2,3-difluoro-benzyloxy)-phenyl]-6,7-dihydro-4H-oxazolo[4,5-c]pyridine-5-yl}-butyric acid

Guidance literature:: With hydrogenchloride; In 1,4-dioxane; at 20 ℃; for 16h;

Reference yield:

: 586-75-4
4-chlorobenzoyl chloride

: 1354906-02-7
4-{2-[4-(2,3-difluoro-benzyloxy)-phenyl]-6,7-dihydro-4H-oxazolo[4,5-c]pyridine-5-yl}-butyric acid

Guidance literature:: Multi-step reaction with 8 steps

1.1: triethylamine / dichloromethane / 16 h / 20 °C

2.1: triethylamine; triphenylphosphine; hexachloroethane / dichloromethane / 64 h / 20 °C

3.1: N,N-dimethyl-formamide / 16 h

4.1: sodium tetrahydroborate / methanol / 18 h / 0 - 20 °C

4.2: 0.08 h

5.1: N-ethyl-N,N-diisopropylamine; carbonochloridic acid 1-chloro-ethyl ester / 1,2-dichloro-ethane / 2.17 h / 0 °C / Reflux

5.2: 48 h / 20 °C

6.1: potassium carbonate / N,N-dimethyl-formamide / 16 h / 80 °C

7.1: caesium carbonate / palladium diacetate; 2-di-tertbutylphosphino-3,4,5,6-tetramethyl-2',4',6'-triisopropyl-1,1'-biphenyl / toluene / 16 h / 70 °C

8.1: hydrogenchloride / 1,4-dioxane / 16 h / 20 °C

With hydrogenchloride; sodium tetrahydroborate; hexachloroethane; carbonochloridic acid 1-chloro-ethyl ester; potassium carbonate; caesium carbonate; triethylamine; N-ethyl-N,N-diisopropylamine; triphenylphosphine; 2-di-tertbutylphosphino-3,4,5,6-tetramethyl-2',4',6'-triisopropyl-1,1'-biphenyl; palladium diacetate; In 1,4-dioxane; methanol; dichloromethane; 1,2-dichloro-ethane; N,N-dimethyl-formamide; toluene;

Reference yield:

: 6320-39-4
3-aminopyridin-4-ol

: 1354906-02-7
4-{2-[4-(2,3-difluoro-benzyloxy)-phenyl]-6,7-dihydro-4H-oxazolo[4,5-c]pyridine-5-yl}-butyric acid

Guidance literature:: Multi-step reaction with 8 steps

1.1: triethylamine / dichloromethane / 16 h / 20 °C

2.1: triethylamine; triphenylphosphine; hexachloroethane / dichloromethane / 64 h / 20 °C

3.1: N,N-dimethyl-formamide / 16 h

4.1: sodium tetrahydroborate / methanol / 18 h / 0 - 20 °C

4.2: 0.08 h

5.1: N-ethyl-N,N-diisopropylamine; carbonochloridic acid 1-chloro-ethyl ester / 1,2-dichloro-ethane / 2.17 h / 0 °C / Reflux

5.2: 48 h / 20 °C

6.1: potassium carbonate / N,N-dimethyl-formamide / 16 h / 80 °C

7.1: caesium carbonate / palladium diacetate; 2-di-tertbutylphosphino-3,4,5,6-tetramethyl-2',4',6'-triisopropyl-1,1'-biphenyl / toluene / 16 h / 70 °C

8.1: hydrogenchloride / 1,4-dioxane / 16 h / 20 °C

With hydrogenchloride; sodium tetrahydroborate; hexachloroethane; carbonochloridic acid 1-chloro-ethyl ester; potassium carbonate; caesium carbonate; triethylamine; N-ethyl-N,N-diisopropylamine; triphenylphosphine; 2-di-tertbutylphosphino-3,4,5,6-tetramethyl-2',4',6'-triisopropyl-1,1'-biphenyl; palladium diacetate; In 1,4-dioxane; methanol; dichloromethane; 1,2-dichloro-ethane; N,N-dimethyl-formamide; toluene;