trans-4-Decen-1-al → 1-((6E)-Dodeca-2,6-dienyl)-4-methylbenzene
反応式
[Br-].[CH3:2][C:3]1[CH:29]=[CH:28][C:6]([CH2:7][CH2:8][P+](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=[CH:5][CH:4]=1.[Li]CCCC.[CH:35](=O)[CH2:36][CH2:37]/[CH:38]=[CH:39]/[CH2:40][CH2:41][CH2:42][CH2:43][CH3:44]>>[CH2:7]([C:6]1[CH:5]=[CH:4][C:3]([CH3:2])=[CH:29][CH:28]=1)[CH:8]=[CH:35][CH2:36][CH2:37]/[CH:38]=[CH:39]/[CH2:40][CH2:41][CH2:42][CH2:43][CH3:44]参加物
4
実験手順
Starting from p-methylphenethyltriphenylphosphonium bromide (2.90 g, 6.29 mmol, 1.0 equiv.), n-BuLi (1.6 M in hexanes, 3.9 mL, 6.29 mmol, 1.0 equiv.) and (E)-dec-4-enal (1.45 g, 9.43 mmol, 1.5 equiv.), 0.92 g (57%) of the title compound as a colorless oil was obtained after purification by flash chromatography on SiO2 (cyclohexane/EtOAc 997:3).
出典と根拠
- ORDレコード
- ord-9def2371bf404502974f068bd00ed14b