benzyl N-[(3R)-3-methyl-3-phenylpent-4-enyl]-N-prop-2-enylcarbamate 在
[1,3-bis-(2,4,6-trimethylphenyl)-2-imidazolidinylidene]dichloro(benzylidene)(triphenylphosphine) ruthenium(II) 作用下,
以
二氯甲烷 为溶剂,
反应 5.0h,
生成 4-methyl-4-phenyl-2,3,4,7-tetrahydro-azepine-1-carboxylic acid benzyl ester