benzhydryl spiro[penicillanate-6,3'-(4,5-dimethoxycarbonyl-3H-pyrazole)]

Base Information

Chemical Name:benzhydryl spiro[penicillanate-6,3'-(4,5-dimethoxycarbonyl-3H-pyrazole)]
CAS No.:1374116-91-2
Molecular Formula:C₂₇H₂₅N₃O₇S
Molecular Weight:535.577
Hs Code.:

Synonyms:benzhydryl spiro[penicillanate-6,3'-(4,5-dimethoxycarbonyl-3H-pyrazole)]

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of benzhydryl spiro[penicillanate-6,3'-(4,5-dimethoxycarbonyl-3H-pyrazole)]

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Technology Process of benzhydryl spiro[penicillanate-6,3'-(4,5-dimethoxycarbonyl-3H-pyrazole)]

There total 2 articles about benzhydryl spiro[penicillanate-6,3'-(4,5-dimethoxycarbonyl-3H-pyrazole)] 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: 55.0%

: 65293-13-2
diphenylmethyl 6-diazopenicillanate

: 762-42-5
dimethyl acetylenedicarboxylate

: 1374116-91-2
benzhydryl spiro[penicillanate-6,3'-(4,5-dimethoxycarbonyl-3H-pyrazole)]

Guidance literature:: In dichloromethane; at 20 ℃; for 16h; Inert atmosphere;
DOI:10.1016/j.tet.2012.03.022

Reference yield:

: 47547-28-4,78184-79-9
6-aminopenicillanic acid diphenylmethyl ester

: 1374116-91-2
benzhydryl spiro[penicillanate-6,3'-(4,5-dimethoxycarbonyl-3H-pyrazole)]

Guidance literature:: Multi-step reaction with 2 steps

1: ethyl nitrite / dichloromethane / 6 h / 20 °C

2: dichloromethane / 16 h / 20 °C / Inert atmosphere

With ethyl nitrite; In dichloromethane;
DOI:10.1016/j.tet.2012.03.022