ethynyl造句

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.
報道了在低溫條件下, 以鄰二酮和α-環(huán)烯酮為原料與炔鈉反應,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.

Intervening ethynyl unit is beneficial to extend the conjugated pathway, and increase the two - photon absorption cross - section.
插入乙炔基有利于擴大共軛范圍, 增加分子的雙光子吸收截面.

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