4,5,6,7-TETRAHYDRO-ISOXAZOLO[4,5-C]PYRIDINE-3-CARBOXYLIC ACID, ETHYL ESTER

Base Information

• Chemical Name: 4,5,6,7-TETRAHYDRO-ISOXAZOLO[4,5-C]PYRIDINE-3-CARBOXYLIC ACID, ETHYL ESTER
• CAS No.: 912330-17-7
• Molecular Formula: C9H12N2O3
• Molecular Weight: 196.206
• Hs Code.: 2933399990
• Mol file: 912330-17-7.mol

Synonyms:4,5,6,7-TETRAHYDRO-ISOXAZOLO[4,5-C]PYRIDINE-3-CARBOXYLIC ACID, ETHYL ESTER;ethyl 4,5,6,7-tetrahydroisoxazolo[4,5-c]pyridine-3-carboxylate

Chemical Property of 4,5,6,7-TETRAHYDRO-ISOXAZOLO[4,5-C]PYRIDINE-3-CARBOXYLIC ACID, ETHYL ESTER

Chemical Property:

• PSA: 64.36000
• LogP: 0.82580

Purity/Quality:

97% ^*data from raw suppliers

ethyl4,5,6,7-tetrahydroisoxazolo[4,5-c]pyridine-3-carboxylate ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4,5,6,7-TETRAHYDRO-ISOXAZOLO[4,5-C]PYRIDINE-3-CARBOXYLIC ACID, ETHYL ESTER

There total 3 articles about 4,5,6,7-TETRAHYDRO-ISOXAZOLO[4,5-C]PYRIDINE-3-CARBOXYLIC ACID, ETHYL ESTER 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: 62.0%

5-tert-butyl 3-ethyl 7a-(pyrrolidin-1-yl)-3a,4,7,7a-tetrahydroisoxazolo[4,5-c]pyridine-3,5(6H)-dicarboxylate (1190971-34-6) → ethyl 4,5,6,7-tetrahydroisoxazolo[4,5-c]pyridine-3-carboxylate (912330-17-7)

Guidance literature:

With trifluoroacetic acid; In dichloromethane; at 0 ℃; Reflux;

Reference yield:

N-tert-butyloxycarbonylpiperidin-4-one (79099-07-3) → ethyl 4,5,6,7-tetrahydroisoxazolo[4,5-c]pyridine-3-carboxylate (912330-17-7)

Guidance literature:

Multi-step reaction with 3 steps

1.1: toluene-4-sulfonic acid / toluene / 2 h / Reflux

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

3.1: trifluoroacetic acid / dichloromethane / 0 °C / Reflux

3.2: 0 °C

With triethylamine; trifluoroacetic acid; toluene-4-sulfonic acid; In dichloromethane; toluene;

Reference yield:

N-tert-butoxycarbonyl-4-(tetrahydropyrrole-1-yl)-1,2,3,6-tetrahydropyridine (207691-65-4) → ethyl 4,5,6,7-tetrahydroisoxazolo[4,5-c]pyridine-3-carboxylate (912330-17-7)

Guidance literature:

Multi-step reaction with 2 steps

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

2.1: trifluoroacetic acid / dichloromethane / 0 °C / Reflux

2.2: 0 °C

With triethylamine; trifluoroacetic acid; In dichloromethane;

upstream raw materials:

5-tert-butyl 3-ethyl 7a-(pyrrolidin-1-yl)-3a,4,7,7a-tetrahydroisoxazolo[4,5-c]pyridine-3,5(6H)-dicarboxylate

N-tert-butyloxycarbonylpiperidin-4-one

N-tert-butoxycarbonyl-4-(tetrahydropyrrole-1-yl)-1,2,3,6-tetrahydropyridine

Downstream raw materials:

6,7-dihydro-4H-isoxazolo[4,5-c]pyridine-3,5-dicarboxylic acid-3-ethyl ester-5-tert-butyl ester

4,5,6,7-tetrahydro-isoxazolo[4,5-c]pyridine-3-carboxylic acid-ethyl ester hydrochloride

5-[(tert-butoxy)carbonyl]-4H,5H,6H,7H-[1,2]oxazolo[4,5-c]pyridine-3-carboxylic acid

ethyl 5-(2-chlorobenzoyl)-4,5,6,7-tetrahydroisoxazolo[4,5-c]-pyridin-3-carboxylate