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ChemicalBook CAS DataBase List 2,3,4,5,7,8-HEXAHYDRO-3-OXO-PYRAZOLO[3,4-D]AZEPINE-6(1H)-CARBOXYLIC ACID, T-BUTYL ESTER

2,3,4,5,7,8-HEXAHYDRO-3-OXO-PYRAZOLO[3,4-D]AZEPINE-6(1H)-CARBOXYLIC ACID, T-BUTYL ESTER synthesis

2synthesis methods
141642-82-2 Synthesis
ETHYL 1-BOC-5-OXO-HEXAHYDRO-1H-AZEPINE-4-CARBOXYLATE

141642-82-2
144 suppliers
$23.00/100mg

2,3,4,5,7,8-HEXAHYDRO-3-OXO-PYRAZOLO[3,4-D]AZEPINE-6(1H)-CARBOXYLIC ACID, T-BUTYL ESTER

851376-80-2
15 suppliers
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Yield:851376-80-2 97%

Reaction Conditions:

Stage #1: 5-oxo-azepane-1,4-dicarboxylic acid 1-tert-butyl ester 4-ethyl esterwith hydrazine in ethanol;water; for 48 h;Reflux;Inert atmosphere;
Stage #2: in ethanol;water at -15; for 16 h;Inert atmosphere;

References:

Kim, Youngjae;Kim, Hyunguk;Lee, Jieon;Lee, Jae Kyun;Min, Sun-Joon;Seong, Jihye;Rhim, Hyewhon;Tae, Jinsung;Lee, Hyunjoo Jenny;Choo, Hyunah [Journal of Medicinal Chemistry,2018,vol. 61,# 16,p. 7218 - 7233]

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