Phosphorus tribromide → 3-Methyl-6-(3,4-methylenedioxyphenyl)-3-hexenyl bromide
反応式
[CH2:1]1[O:9][C:8]2[CH:7]=[CH:6][C:5]([CH2:10][CH2:11][CH:12]([C:14]3([CH3:17])[CH2:16][CH2:15]3)O)=[CH:4][C:3]=2[O:2]1.P(Br)(Br)[Br:19].[Br-].[Li+]>[Br-].[Zn+2].[Br-]>[CH3:17][C:14](=[CH:12][CH2:11][CH2:10][C:5]1[CH:6]=[CH:7][C:8]2[O:9][CH2:1][O:2][C:3]=2[CH:4]=1)[CH2:15][CH2:16][Br:19]参加物
5
実験手順
[V; Ar is 3,4-methylenedioxyphenyl, R is CH3 ] was prepared from 17.6 g. of 2-(3,4-methylenedioxyphenyl)ethyl 1-methylcyclopropyl carbinol (Preparation B3), 20.3 g. of phosphorus tribromide, 18.5 g. of lithium bromide and 21 g. of zinc bromide according to the procedure given above in Preparation C1, affording 19 g. of product as an oil.
後処理
- custom[V; Ar is 3,4-methylenedioxyphenyl, R is CH3 ] was prepared from 17.6 g
- customaffording 19 g
出典と根拠
- ORDレコード
- ord-4a3352d526254959974bb41f7b09f314
- 出典データセット
- uspto-grants-1978_06
- 特許番号
- US04093736
反応ノート
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