三光气

三光气代替光气合成系列化合物的研究和应用

Research and Application of Triphosgene Instead of Phosgene for Synthesizing Compounds

24例急性三光气中毒的急救及护理

Emergency treatment and nursing care of 24 patients of acute triphosgene intoxication

介绍三光气在有机合成中的应用。

The application of triphosgene in organic synthesis was introduced .

以丙酸和三光气为原料，用三光气法合成了纯度较高的丙酰氯。

The high-purity propionyl chloride was synthesized using propanoic acid and triphosgene as raw materials .

三光气的合成和应用

The Synthesis and Applications of Triphosgene

方法：以β苯乙胺为原料，通过与三光气反应，一步制得β苯乙基异氰酸酯。

METHODS : β phenylethyl isocyanate was synthesized conveniently from β phenylethylamine and triphosgene in one step .

方法：以三光气作为氯化剂，由2-哌啶甲酸经酰氯化、酰胺化、丁基化、成盐得盐酸布比卡因。

Methods : Bupivacaine hydrochloride was prepared via chlorination by triphosgene , amidation , butylation and acidification from 2-pipecolic acid .

介绍了三光气的应用及合成方法。

Triphosgene , as the perfect substitute for phosgene , is applied on the synthesis of more important organic compounds .

目前常采用光气和三光气作为酰化剂合成该产物。

The Carbonic dichloride and the Trichloromethyl carbonate are two commonly used acylating reagent to product the Iminodibenzyl carbonyl chloride .

用三光气代替光气合成化合物能有效消除光气的危险性，在生产中具有较广泛的应用前景。

The risk of reaction using phosgene could be avoided effectively by substitution of triphosgene for phosgene , and application of triphosgene in production with broad prospect was believed by author .

深入研究了它们的合成方法，实现了多种简便有效的选择性合成，特别是以三光气代替剧毒的光气，实现了一条简便、安全、有效的制备手性不对称脲的方法。

Especially , instead of using toxic phosgene , the triphosgene was employed in the synthetic process of some receptors , which provides a convenient . safe and efficient method for the preparation of chiral unsymmetrical urea .

结果表明，三光气与亲核体发生反应的条件温和，所得产物的产率与光气反应时的一样或更高。

The results showed that the reaction between triphosgene and nucleophilic group could be conducted at mild conditions , and the yield of product was at the same level of that from the reaction with phosgene or even more .