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

Base Information

• Chemical Name: Isoxazolo[4,5-c]pyridine-3-carboxylic acid, 4,5,6,7-tetrahydro-, ethyl ester, monohydrochloride
• CAS No.: 912265-91-9
• Molecular Formula: C₉H₁₂N₂O₃*ClH
• Molecular Weight: 232.667
• Hs Code.: 2934999090
• Mol file: 912265-91-9.mol

Synonyms:Isoxazolo[4,5-c]pyridine-3-carboxylicacid, 4,5,6,7-tetrahydro-, ethyl ester, monohydrochloride (9CI);

Chemical Property of Isoxazolo[4,5-c]pyridine-3-carboxylic acid, 4,5,6,7-tetrahydro-, ethyl ester, monohydrochloride

Chemical Property:

• PSA: 64.36000
• LogP: 1.62780

Purity/Quality:

97% ^*data from raw suppliers

Ethyl4,5,6,7-tetrahydroisoxazolo[4,5-c]pyridine-3-carboxylatehydrochloride 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Isoxazolo[4,5-c]pyridine-3-carboxylic acid, 4,5,6,7-tetrahydro-, ethyl ester, monohydrochloride

There total 9 articles about Isoxazolo[4,5-c]pyridine-3-carboxylic acid, 4,5,6,7-tetrahydro-, ethyl ester, monohydrochloride 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: 27.0%

5-acetyl-4,5,6,7-tetrahydro-isoxazolo[4,5-c]pyridine-3-carboxylic acid-ethyl ester (912265-90-8) → 4,5,6,7-tetrahydro-isoxazolo[4,5-c]pyridine-3-carboxylic acid-ethyl ester hydrochloride (912265-91-9)

Guidance literature:

With hydrogenchloride; In ethanol; water; at 20 ℃; for 2h; Heating / reflux;

Reference yield:

6,7-dihydro-4H-isoxazolo[4,5-c]pyridine-3,5-dicarboxylic acid-3-ethyl ester-5-tert-butyl ester (912265-92-0) → 4,5,6,7-tetrahydro-isoxazolo[4,5-c]pyridine-3-carboxylic acid-ethyl ester hydrochloride (912265-91-9)

Guidance literature:

With hydrogenchloride; In 1,4-dioxane; water; at 20 ℃; for 0.5h;

Reference yield:

1-acetyl-4-piperidinone (32161-06-1) → 4,5,6,7-tetrahydro-isoxazolo[4,5-c]pyridine-3-carboxylic acid-ethyl ester hydrochloride (912265-91-9)

Guidance literature:

Multi-step reaction with 4 steps

1.1: toluene-4-sulfonic acid / toluene / 12 h / Heating / reflux

2.1: dichloromethane / 20 °C

2.2: 12 h / 0 - 20 °C

3.1: trifluoroacetic acid / dichloromethane / 8 h / Heating / reflux

4.1: hydrogenchloride / ethanol; water / 2 h / 20 °C / Heating / reflux

With hydrogenchloride; trifluoroacetic acid; toluene-4-sulfonic acid; In ethanol; dichloromethane; water; toluene;

upstream raw materials:

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

1-acetyl-4-piperidinone

5-acetyl-7a-pyrrolidin-1-yl-3a,4,5,6,7,7a-hexahydro-isoxazolo[4,5-c]pyridine-3-carboxylic acid-ethyl ester

1-Acetyl-4-(1-pyrrolidinyl)-1,2,3,6-tetrahydro-pyridine

Downstream raw materials:

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

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