1) heptanal
正庚醛
1.
But, when heptanal was added in different concentrations of 1×10 -5-5×10 -5(V/V) to the mixture of green-leaf volatile compounds, the respondence of the antenna of mated female of cotton bollworm to .
在单组分或多组分的测定中 ,棉铃虫处女蛾和交配蛾在P =0 0 5水平上并不存在显著性差异 ,但在混合的绿叶气味物质中加入含量为 1×10 - 5～ 5× 10 - 5(体积比 )的正庚醛时 ,交配蛾对混合物的触角电位反应显著高于处女蛾的反应 (P <0 0 5
2) Heptaldehyde oxime
正庚醛肟
3) heptanal butyl mercaptal
正庚醛正丁硫醇缩醛
1.
The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.
以正庚醛、硫代硫酸钠和溴代正丁烷为原料 ,合成了正庚醛正丁硫醇缩醛。
4) n heptanal dibutyl mercaptole
正庚醛二丁硫醇缩醛
1.
The synthesis method of n heptanal dibutyl mercaptole is reported in this paper,n heptanal,bromobutane and sodium thiosulfate are used as reaction meaterials.
以正庚醛、溴代正丁烷和硫代硫酸钠为原料 ,通过醇醛缩合反应合成正庚醛二丁硫醇缩醛 ,目标产物通过红外光谱和核磁共振氢谱证实其结构。
5) heptaldehyde
[,hep'tældihaid]
庚醛
1.
Preparation of catalyst for low pressure hydrogenation of heptaldehyde;
庚醛低压催化加氢催化剂的制备
2.
α-Hydroxyl octanoic acid(1) was synthesized from heptaldehyde by a four-step reaction of nucleophilic substitution,displacement reaction,acid hydrolysis and deaminization.
以正庚醛为原料,经过亲核取代、置换反应、酸水解及碱化脱氨等4步反应合成了制备3,6-二己基-1,4-二氧杂-2,5-二酮(辛交酯)的中间体——α-羟基辛酸(1);1经对甲苯磺酸催化脱水得辛交酯。
3.
Aim\ Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials.
目的 研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛的工艺条件 。
补充资料：正庚醛
分子式C7H14O，分子量114.18，结构简式CH3(CH2)5CHO，无色油状液体，有果子香气味。沸点155℃。密度（20/4℃）0.8495g/cm3。折射率（20℃）1.4257。微溶于水，溶于乙醇和乙醚。用于配制桔子香精和玫瑰香精等。也用来制取多种药物。由蓖麻油制得。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条