allene

A account summary on new achievement about synthesis and theory of compounds with lone multiple bonds and heavy allenes and cumulenes in ⅣA group is given.

概括总结了ⅣA族重元素孤立双键化合物、型子和环型子的合成及理论研究面的最新成果。

Using ortho-bis(porpargyl alcohol) derivatives as starting materials, we employed sulfenyl or sulfinyl chloride under base condition to generate bis-allene intermediates.

所采用的合成式以邻位炔醇为起始物，在碱环境中与次磺氯或亚磺氯作用生成后，再经环化反应得多并苯化合物。