To sythesize pentanoate and hexanoate of caged bicyclic phosphate.

目的 :合成笼状双环磷酸酯的戊酸酯及己酸酯衍生物。

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.

首次合成了叠氮亚磷酸酯及叠氮磷酰胺类化合物，并用IR、1HNMR、FAB-MS及元素分析对化合物结构进行了鉴。

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

介绍了聚氧乙起始剂，五氧化二磷磷化剂合成聚氧乙磷酸酯的过程；并且对其应用也简要地加说明。

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

三肽醛。丝氨酸和半胱氨酸蛋白酶可逆的竞争性抑制剂。也抑制鼠肝细胞中磷酸酯酶D和C的活化。

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

摘 要： 目的：合成笼状双环磷酸酯的戊酸酯及己酸酯衍生物。

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羟甲基笼状双环磷酸酯分别与戊酰氯、己酰氯发生酰化反应。

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

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