3a-benzyl-3-oxo-2,3,3a,4,6,7-hexahydro-pyrazolo[4,3-c]pyridine-5-carboxylic acid tert-butyl ester

Base Information

Chemical Name:3a-benzyl-3-oxo-2,3,3a,4,6,7-hexahydro-pyrazolo[4,3-c]pyridine-5-carboxylic acid tert-butyl ester
CAS No.:620159-23-1
Molecular Formula:C₁₈H₂₃N₃O₃
Molecular Weight:329.399
Hs Code.:

Synonyms:3a-benzyl-3-oxo-2,3,3a,4,6,7-hexahydro-pyrazolo[4,3-c]pyridine-5-carboxylic acid tert-butyl ester

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Chemical Property of 3a-benzyl-3-oxo-2,3,3a,4,6,7-hexahydro-pyrazolo[4,3-c]pyridine-5-carboxylic acid tert-butyl ester

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Technology Process of 3a-benzyl-3-oxo-2,3,3a,4,6,7-hexahydro-pyrazolo[4,3-c]pyridine-5-carboxylic acid tert-butyl ester

There total 4 articles about 3a-benzyl-3-oxo-2,3,3a,4,6,7-hexahydro-pyrazolo[4,3-c]pyridine-5-carboxylic acid tert-butyl 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:

: 193274-00-9
3-(R,S)-Benzyl-4-oxo-piperidine-1,3-dicarboxylic acid 1-tert-butyl ester 3-methyl ester

: 620159-23-1
3a-benzyl-3-oxo-2,3,3a,4,6,7-hexahydro-pyrazolo[4,3-c]pyridine-5-carboxylic acid tert-butyl ester

Guidance literature:: 3-(R,S)-Benzyl-4-oxo-piperidine-1,3-dicarboxylic acid 1-tert-butyl ester 3-methyl ester; With hydrazine hydrate; In ethanol; for 8h; Heating;

In toluene; for 17h; Heating;
DOI:10.1016/S0968-0896(02)00433-9

Reference yield:

: 24424-99-5
di-tert-butyl dicarbonate

: 620159-23-1
3a-benzyl-3-oxo-2,3,3a,4,6,7-hexahydro-pyrazolo[4,3-c]pyridine-5-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: 99 percent / 4,4-dimethylaminopyridine / CH₂Cl₂ / 0 - 20 °C

2.1: NaH / dimethylformamide / 0.25 h / 20 °C

2.2: 89 percent / dimethylformamide / 42 h / 20 °C

3.1: hydrazine hydrate / ethanol / 8 h / Heating

3.2: toluene / 17 h / Heating

With dmap; sodium hydride; hydrazine hydrate; In ethanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0968-0896(02)00433-9

Reference yield:

: 108554-34-3,56026-52-9
methyl 4-oxonipecotate

: 620159-23-1
3a-benzyl-3-oxo-2,3,3a,4,6,7-hexahydro-pyrazolo[4,3-c]pyridine-5-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: 99 percent / 4,4-dimethylaminopyridine / CH₂Cl₂ / 0 - 20 °C

2.1: NaH / dimethylformamide / 0.25 h / 20 °C

2.2: 89 percent / dimethylformamide / 42 h / 20 °C

3.1: hydrazine hydrate / ethanol / 8 h / Heating

3.2: toluene / 17 h / Heating

With dmap; sodium hydride; hydrazine hydrate; In ethanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0968-0896(02)00433-9