反应 #927257

ord-9b7870e4cda740bca1fcca2cc22e50ed

反应方程式

CCCCCCOCC1(Br)CC1(Br)Br
1,1,2-tribromo-2-(hexyloxymethyl)cyclopropane
[Li][CH3]
methyllithium
CCCCCCOCC1=CC1
1-hexyloxymethyl-cyclopropene
收率 71.5%

溶剂

反应条件

温度
0°CELSIUS
详细条件
See reaction.notes.procedure_details.

后处理

  1. 1
    其他The reaction was quenched with saturated ammonium chloride
  2. 2
    洗涤The reaction mixture was washed with water and brine
  3. 3
    干燥dried over magnesium sulfate
  4. 4
    过滤filtered

实验过程

A solution of 1.15 g of 1,1,2-tribromo-2-(hexyloxymethyl)cyclopropane (2.9 mmol) in 6 ml of ether was treated at −78° C. with 1.4 ml of methyllithium (1.4 M, 8.8 mmol). After 5 minutes, the reaction mixture was warmed to 0° C. and held at this temperature. The reaction was quenched with saturated ammonium chloride. The reaction mixture was washed with water and brine, dried over magnesium sulfate, filtered and stripped to give 320 mg of 1-hexyloxymethyl-cyclopropene, as a dark yellow liquid.

来源

DOI: 10.6084/m9.figshare.5104873.v1专利: US06365549B2uspto-grants-2002_04