6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl 4-methylbenzenesulfonate

Base Information

Chemical Name:6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl 4-methylbenzenesulfonate
CAS No.:1538626-35-5
Molecular Formula:C₂₁H₂₀O₅S
Molecular Weight:384.453
Hs Code.:

Synonyms:6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl 4-methylbenzenesulfonate

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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 6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl 4-methylbenzenesulfonate

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Technology Process of 6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl 4-methylbenzenesulfonate

There total 4 articles about 6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl 4-methylbenzenesulfonate 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: 95.0%

: 83688-44-2
667-Coumarin

: 98-59-9
p-toluenesulfonyl chloride

: 1538626-35-5
6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl 4-methylbenzenesulfonate

Guidance literature:: With triethylamine; In dichloromethane; at 0 - 20 ℃; for 1h;
DOI:10.1016/j.bmcl.2013.12.018

Reference yield:

: 502-42-1
cycloheptanone

: 1538626-35-5
6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl 4-methylbenzenesulfonate

Guidance literature:: Multi-step reaction with 3 steps

1: sodium hydride / benzene / Reflux

2: trifluoroacetic acid; sulfuric acid / 3 h / 0 - 20 °C

3: triethylamine / dichloromethane / 1 h / 0 - 20 °C

With sulfuric acid; sodium hydride; triethylamine; trifluoroacetic acid; In dichloromethane; benzene;
DOI:10.1016/j.bmcl.2013.12.018

Reference yield:

: 774-05-0
ethyl cycloheptanone-2-carboxylate

: 1538626-35-5
6-oxo-6,7,8,9,10,11-hexahydrocyclohepta[c]chromen-3-yl 4-methylbenzenesulfonate

Guidance literature:: Multi-step reaction with 2 steps

1: trifluoroacetic acid; sulfuric acid / 3 h / 0 - 20 °C

2: triethylamine / dichloromethane / 1 h / 0 - 20 °C

With sulfuric acid; triethylamine; trifluoroacetic acid; In dichloromethane;
DOI:10.1016/j.bmcl.2013.12.018