dihydro

After 2 kinds of allelochemicals（11, 12-dihydro-lactaroviolin;

本文利用分离纯化得到化感物质11，12-二氢乳菇紫素(简称DL)；

Concentrate hydrosilicone oil, tetramethyl dihydro disiloxane, hexamethyldisiloxane and D4 were used to synthesize the cross linker of low-hydro silicone oil required in experiments.

以高含氢硅、含氢双封头、六甲基二硅氧烷、D4实验所需交联剂低含氢硅；

Twelve derivates of S-tetrazine including three of 1,6-dihydro-S-tetrazines prepared recently were screened by pesticide activity.

对12个S四嗪衍生物,包括3个新1,6二氢S四嗪衍生物,除草、杀菌、杀虫活性进行筛选。

Dicyano 9,10 dihydro 9,10 ethenoanthracene(4) was synthesized by addition reation of acetylenedinitrile and anthracene. Concave tetrazaporphyrin has been obtained from the four molecules of 4.

乙炔二氰与蒽环加反应11,12-二氰-9,10-二氢-9,10-亚乙烯基蒽(4),4分子4自身加聚制备一全新凹型四氮杂口卜啉结构化物。