337P日本大胆欧美裸体艺术_久久久久精品无码专区_一个人看的免费视频WWW中文字幕_欧美熟妇精品视频网免费观看
33 3 Vol. 33 No. 3
2003 6 Jun 2003

ٙĿ

2-ȱĺϳ
A; ; 헾Ƽ; ܺ; ; ʷ(㽭I(y)W(xu)W(xu)Ժ; 㽭; 310014)
ժҪñȚͱ,ڴ߻ƒɲϳ˳݄gw2-ȱ,ԇ򞷨(yu)˹ˇl,ϳɿ_80%
P(gun)I~; 2-ȱ; Ȼ
ЈD(li)̖O623.64īIRaA¾̖1009-9212(2003)03-0021-02
Synthesis of 2-chloropropionanilide
CHEN Hua etc.Institute of Chemical Engineering; Zhejiang University of Technology; Zhejiang Hangzhou; 310014; China
AbstractChloropropionanilide and intermediates of naproanilide were synthesized from propionic acid, chlorine, and aniline in the presence of catalysts through two steps. The reaction conditions were optimized. The total yield of two steps is 80%.
Key wordschloropropionanilide; naproanilide; chlorization
ոڣ2002-12-09
337P日本大胆欧美裸体艺术_久久久久精品无码专区_一个人看的免费视频WWW中文字幕_欧美熟妇精品视频网免费观看