ChemicalBook CAS DataBase List 11-cis-3,4-Didehydro Retinal

11-cis-3,4-Didehydro Retinal synthesis

1synthesis methods

Product Name:11-cis-3,4-Didehydro Retinal
CAS Number:41470-05-7
Molecular formula:C20H26O
Molecular Weight:282.42

(2E,4Z,6E,8E)-3,7-Dimethyl-9-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-2,4,6,8-nonatetraenenitrile

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Yield:41470-05-7 75%

Reaction Conditions:

Stage #1: (2E,4Z,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-2,4,6,8-nonatetraenenitrilewith diisobutylaluminium hydride in hexane at -78; for 1.5 h;
Stage #2: with water;silica gel in hexane; for 0.5 h;Further stages.;

References:

Wada, Akimori;Wang, Fei;Ito, Masayoshi [Chemical and Pharmaceutical Bulletin,2008,vol. 56,# 1,p. 112 - 114]