A new route to polyselenoether macrocycles. Catalytic macrocyclization of 3,3-dimethylselenatane by [Re-2(CO)(9)]

被引：12

作者：

Adams, RD

McBride, KT

机构：

[1] Dept. of Chemistry and Biochemistry, University of South Carolina, Columbia

来源：

CHEMICAL COMMUNICATIONS | 1997年 / 06期

关键词：

D O I：

10.1039/a608481h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

3,3-Dimethylselenatane, SeCH(2)CMe(2)CH(2), DMSe is cyclooligomerized catalytically at 115 degrees C in the presence of [Re-2(CO)(9)(SeCH(2)CMe(2)CH(2))] to yield three new polyselenoether macrocycles 3,3,7,7-tetramethyl-1,5-diselenacyclooctane, 3,3,7,7,11,11-hexamethyl-1,5,9-triselenacyclododecane, 3,3,7,7,11,11,15,15-octamethyl-1,5,9,13-tetraselenacyclohexadecane and polymer of DMSe; all three macrocycles are characterized crystallographically; in all cases the gem-dimethyl groups are directed toward the exterior of the rings; interestingly, some methylene groups are directed to the interior.

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页码：525 / 526

页数：2

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