11-(o-ethynylphenyl)-3-methyl-7-(diphenylmethylene)-3,5,8,10-undecatetraen-1-yne

Base Information

Chemical Name:11-(o-ethynylphenyl)-3-methyl-7-(diphenylmethylene)-3,5,8,10-undecatetraen-1-yne
CAS No.:89004-88-6
Molecular Formula:C₃₃H₂₆
Molecular Weight:422.569
Hs Code.:

Synonyms:11-(o-ethynylphenyl)-3-methyl-7-(diphenylmethylene)-3,5,8,10-undecatetraen-1-yne

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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 11-(o-ethynylphenyl)-3-methyl-7-(diphenylmethylene)-3,5,8,10-undecatetraen-1-yne

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Technology Process of 11-(o-ethynylphenyl)-3-methyl-7-(diphenylmethylene)-3,5,8,10-undecatetraen-1-yne

There total 2 articles about 11-(o-ethynylphenyl)-3-methyl-7-(diphenylmethylene)-3,5,8,10-undecatetraen-1-yne 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: 34.0%

: 1871-76-7
diphenylacetic acid chloride

: 67295-52-7
1-(o-ethynylphenyl)-9-methyl-1,3,6,8-undecatetraen-10-yn-5-one

: 89004-88-6
11-(o-ethynylphenyl)-3-methyl-7-(diphenylmethylene)-3,5,8,10-undecatetraen-1-yne

Guidance literature:: With triethylamine; In benzene; for 20h; Ambient temperature;
DOI:10.1246/cl.1982.1371

Reference yield:

: 117-34-0
2,2-diphenylacetic acid

: 89004-88-6
11-(o-ethynylphenyl)-3-methyl-7-(diphenylmethylene)-3,5,8,10-undecatetraen-1-yne

Guidance literature:: Multi-step reaction with 2 steps

1: SOCl₂ / 3 h / 90 - 100 °C

2: 1.) Et₃N / 1.) C₆H₆, room temperature, 20 min, 2.) room temperature, 20 h

With thionyl chloride; triethylamine;