11a-benzyl-9-oxo-6,7,9,10,11,11a-hexahydro-5H-dibenzo[a,c]cycloheptene-3-carboxylic acid methyl ester

Base Information

Chemical Name:11a-benzyl-9-oxo-6,7,9,10,11,11a-hexahydro-5H-dibenzo[a,c]cycloheptene-3-carboxylic acid methyl ester
CAS No.:1400926-27-3
Molecular Formula:C₂₄H₂₄O₃
Molecular Weight:360.453
Hs Code.:

Synonyms:11a-benzyl-9-oxo-6,7,9,10,11,11a-hexahydro-5H-dibenzo[a,c]cycloheptene-3-carboxylic acid methyl ester

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Chemical Property of 11a-benzyl-9-oxo-6,7,9,10,11,11a-hexahydro-5H-dibenzo[a,c]cycloheptene-3-carboxylic acid methyl ester

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Technology Process of 11a-benzyl-9-oxo-6,7,9,10,11,11a-hexahydro-5H-dibenzo[a,c]cycloheptene-3-carboxylic acid methyl ester

There total 7 articles about 11a-benzyl-9-oxo-6,7,9,10,11,11a-hexahydro-5H-dibenzo[a,c]cycloheptene-3-carboxylic acid methyl 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: 65.0%

: 67-56-1
methanol

: 201230-82-2
carbon monoxide

: 1400926-26-2
trifluoro-methanesulfonic acid 11a-benzyl-9-oxo-6,7,9,10,11,11a-hexahydro-5H-dibenzo[a,c]cyclohepten-3-yl ester

: 1400926-27-3
11a-benzyl-9-oxo-6,7,9,10,11,11a-hexahydro-5H-dibenzo[a,c]cycloheptene-3-carboxylic acid methyl ester

Guidance literature:: With triethylamine; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; In N,N-dimethyl-formamide; at 100 ℃; for 18h; Inert atmosphere;

Reference yield:

: 1400924-56-2
11b-benzyl-9-methoxy-1,2,5,6,7,11b-hexahydro-dibenzo[a,c]cyclohepten-3-one

: 1400926-27-3
11a-benzyl-9-oxo-6,7,9,10,11,11a-hexahydro-5H-dibenzo[a,c]cycloheptene-3-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: methanesulfonic acid; DL-methionine / 48 h / 20 °C / Inert atmosphere

2: N-ethyl-N,N-diisopropylamine / dichloromethane / 18 h / 20 °C

3: triethylamine / 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾ / N,N-dimethyl-formamide / 18 h / 100 °C / Inert atmosphere

With methanesulfonic acid; triethylamine; N-ethyl-N,N-diisopropylamine; DL-methionine; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; In dichloromethane; N,N-dimethyl-formamide;

Reference yield:

: 1400924-57-3
11b-benzyl-9-hydroxy-1,2,5,6,7,11b-hexahydro-dibenzo[a,c]cyclohepten-3-one

: 1400926-27-3
11a-benzyl-9-oxo-6,7,9,10,11,11a-hexahydro-5H-dibenzo[a,c]cycloheptene-3-carboxylic acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: N-ethyl-N,N-diisopropylamine / dichloromethane / 18 h / 20 °C

2: triethylamine / 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾ / N,N-dimethyl-formamide / 18 h / 100 °C / Inert atmosphere

With triethylamine; N-ethyl-N,N-diisopropylamine; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; In dichloromethane; N,N-dimethyl-formamide;