磷酸酯

To sythesize pentanoate and hexanoate of caged bicyclic phosphate.

目的 :合成笼的戊及己衍生物。

Abstract： Aim: To sythesize pentanoate and hexanoate of caged bicyclic phosphate.

摘 要： 目的：合成笼的戊及己衍生物。

A special oil-based gelled fracturing fluid,Which combines gellant,crossing-linking agent,surfactant,exciting agent and breaker is presented and tested.

介绍了由胶凝剂、交联剂、表面活性剂、激活剂和破胶剂组成的具有特殊性的油基冻胶压裂液体系。

Chloroform being solvent,under bath heat,4 hydroxymethyl caged bicyclic phosphate acylated with pentanoyl chloride and hexanoyl chloride dividedly.

用氯仿作溶剂,在浴温条件下,4羟甲基笼分别与戊酰氯、己酰氯发生酰化反应。

Synthesis of polyethenoxyether phosphate using polyethenoxyether as initiator and using phosphorus pentoxide as parkerizing reagent, and its application were studied.

本文介绍了以聚氧乙烯醚为起始剂，五氧化二为化剂合成聚氧乙烯醚的过程；并且对其应用也简要地加以说明。

Tripeptide aldehyde. Reversible competitive inhibitor of serine and cysteine proteases. Inhibits also phospholipase D and C activation in rat hepatocytes.

三肽醛。丝氨和半胱氨蛋白酶可逆的竞争性抑制剂。也抑制鼠肝细胞中酶D和C的活化。

Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR，1HNMR，FAB-MS and elemental analysis.

首次合成了叠氮亚及叠氮酰胺类化合物，并用IR、1HNMR、FAB-MS及元素分析对化合物结构进行了鉴定。