1-(3,3,5-Trimethyl-1-cyclohexen-1-yl)pent-4-en-1-one → 1-(3,3,4-Trimethyl-cyclohex-6-en-1-yl)-pent-4-en-1-one
Reaction equation
O[C:2]1(C#C)CC(C)CC(C)(C)C1.[CH3:13][C:14]1([CH3:27])[CH2:19][CH:18](C)[CH2:17][C:16]([C:21](=[O:26])[CH2:22][CH2:23][CH:24]=[CH2:25])=[CH:15]1>>[CH3:27][C:14]1([CH3:13])[CH:19]([CH3:2])[CH2:18][CH:17]=[C:16]([C:21](=[O:26])[CH2:22][CH2:23][CH:24]=[CH2:25])[CH2:15]1Participants
3
Procedure
1-Hydroxy-1-ethynyl-3,3,5-trimethyl-cyclohexane used as starting material for the following preparation was prepared in accordance with W. Ziegenstein, "Aethinylierung und Alkinylierung", p. 9, Verlag Chemie (1963). The conversion into 1-(3,3,5-trimethyl-cyclohex-1-en-1-yl)-pent-4-en-1-one was performed according to the procedure described in pathway I, paragraph (d). The analytical data were as follows:
Workup
- customfor the following preparation
- customwas prepared in accordance with W