To sythesize pentanoate and hexanoate of caged bicyclic phosphate.

目的 :合成笼状双环磷酯的戊酯及己酯。

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。

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羟基笼状双环磷酯分别与戊酰氯、己酰氯发酰化反应。

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

摘 要： 目的：合成笼状双环磷酯的戊酯及己酯。

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

三肽醛。丝氨和半胱氨酶可逆的竞争性抑制剂。也抑制鼠肝细胞中磷酯酶D和C的活化。

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，五氧化二磷为磷化剂合成聚氧乙烯醚磷酯的过程；并且对其应用也简要地加以说明。

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酯及叠氮磷酰胺类化合，并用IR、1HNMR、FAB-MS及元素分析对化合结构进行了鉴定。