11,12,11',12'-tetradehydro-β,β-carotene

Base Information

Chemical Name:11,12,11',12'-tetradehydro-β,β-carotene
CAS No.:4517-40-2
Molecular Formula:C₄₀H₅₂
Molecular Weight:532.853
Hs Code.:

Synonyms:11,12,11',12'-tetradehydro-β,β-carotene

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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 11,12,11',12'-tetradehydro-β,β-carotene

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Technology Process of 11,12,11',12'-tetradehydro-β,β-carotene

There total 5 articles about 11,12,11',12'-tetradehydro-β,β-carotene 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: 10.4%

: 25428-61-9
11,12-didehydroretinal

: 31414-91-2
[(2E,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,6,8-trien-4-ynyl]-triphenyl-phosphonium; bromide

: 4517-40-2
11,12,11',12'-tetradehydro-β,β-carotene

Guidance literature:: With sodium methylate; In methanol; dichloromethane; at -25 ℃; for 0.5h;
DOI:10.1039/a703763e

Reference yield:

: 29443-88-7
(2E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,6,8-trien-4-yn-1-ol

: 4517-40-2
11,12,11',12'-tetradehydro-β,β-carotene

Guidance literature:: Multi-step reaction with 3 steps

1: phosphorus tribromide / ethyl acetate / 1 h / -20 °C

2: ethyl acetate / Ambient temperature

3: 10.4 percent / NaOMe / CH₂Cl₂; methanol / 0.5 h / -25 °C

With sodium methylate; phosphorus tribromide; In methanol; dichloromethane; ethyl acetate;
DOI:10.1039/a703763e

Reference yield:

: 2-((1E,3E,7E)-9-Bromo-3,7-dimethyl-nona-1,3,7-trien-5-ynyl)-1,3,3-trimethyl-cyclohexene

: 4517-40-2
11,12,11',12'-tetradehydro-β,β-carotene

Guidance literature:: Multi-step reaction with 2 steps

1: ethyl acetate / Ambient temperature

2: 10.4 percent / NaOMe / CH₂Cl₂; methanol / 0.5 h / -25 °C

With sodium methylate; In methanol; dichloromethane; ethyl acetate;
DOI:10.1039/a703763e