Carbon tetrabromide → 1-Cyclopropyl-2-(2,2-dibromo-vinyl)-3-methyl-benzene
反応式
[CH:1]1([C:4]2[CH:11]=[CH:10][CH:9]=[C:8]([CH3:12])[C:5]=2[CH:6]=O)[CH2:3][CH2:2]1.[C:13](Br)(Br)([Br:15])[Br:14].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>>[CH:1]1([C:4]2[CH:11]=[CH:10][CH:9]=[C:8]([CH3:12])[C:5]=2[CH:6]=[C:13]([Br:15])[Br:14])[CH2:3][CH2:2]1参加物
4
実験手順
1-Cyclopropyl-2-(2,2-dibromo-vinyl)-3-methyl-benzene was prepared from 2-cyclopropyl-6-methyl-benzaldehyde, carbon tetrabromide and triphenylphosphine in analogy to Example 1d): colourless oil; 1H-NMR (CDCl3): 0.69 (2H, m, CH2), 0.94 (2H, m, CH2), 1.87 (1H, m, CH), 2.26 (3H, s, CH3), 6.77 (1H, d, ArH), 7.03 (1H, d, ArH), 7.17 (1H, t, ArH), 7.52 (1H, s, CH═CBr2).
出典と根拠
- ORDレコード
- ord-0914288bb23b4abe9e751b8826947293
- 出典データセット
- uspto-grants-2011_01
- 特許番号
- US07875645B2
反応ノート
読み込み中…