“環(huán)戊烯”造句

報(bào)道了在低溫條件下, 以鄰二酮和α-環(huán)烯酮為原料與炔鈉反應(yīng),合成了2,3, 4,5-四甲基-1-乙炔基-2-烯-環(huán)戊醇、1, 2 - 二苯基 -2 - 羥基 -3 - 丁炔 -1 - 酮、3, 4 - 二苯基 -1,5-己二炔-3,4 - 二醇和3,4 - 二苯基 -3 - 環(huán)戊烯 -1 -酮4種化合物.
In low temperature, reaction of ketone with sodium acetylide synthesized 1 - ethynyl - 2,3, 4,5 - tetramethyl - 2 - cyclopentene - 1 - ol; 1,2 - diphenyl - 2 - hydroxy - 3 - butine - 1 - one; 3,4 - diphenyl - 1,5 - hexadiine - 3,4 - diol and 3,4 - diphenyl - 3 - cyclopentene - 1 - one.

2-戊基環(huán)戊烯酮再與丙二酸二甲酯縮合,脫羧得到二氫茉莉酮酸甲酯.
Methyl dihydrojasmonate was synthesized from 2 pentyl 2 cyclopentanone and methyl malonate by condensation and decarboxylation.

4, 4- 二甲基 -2- 環(huán)戊烯 -1- 酮 ( DCO ) 由于其獨(dú)特的結(jié)構(gòu), 因而應(yīng)用廣泛.
Bacause of the unique structure, 4,4 - dimethyl - 2 - cyclopenten - l - one ( DCO ) was extensively appliied to many fields.

• #環(huán)戊烯