Gold/Acid-Cocatalyzed Regiodivergent Preparation of Bridged Ketals via Direct Bis-Oxycyclization of Alkynic Acetonides

被引：37

作者：

Alcaide, Benito ^{[2
]}

Almendros, Pedro ^{[1
]}

Carrascosa, Rocio ^{[2
]}

Rosario Torres, M. ^{[3
]}

机构：

[1] CSIC, Inst Quim Organ Gen, Consejo Super Invest Cient, E-28006 Madrid, Spain

[2] Univ Complutense Madrid, Fac Quim, CSIC,Dept Quim Organ 1, Grp Lactamas Heterociclos Bioact,Unidad Asociada, E-28040 Madrid, Spain

[3] Univ Complutense Madrid, CAI Difracc Rayos X, Fac Quim, E-28040 Madrid, Spain

来源：

ADVANCED SYNTHESIS & CATALYSIS | 2010年 / 352卷 / 08期

关键词：

alkynes; gold; heterocycles; regioselectivity; synthetic methods; FUNCTIONALIZED BETA-LACTAMS; ALPHA-ALLENOLS; HYDRATION; CYCLOISOMERIZATION; CATALYSIS; ACCESS;

D O I：

10.1002/adsc.201000124

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The regioselective metal/acid co-catalyzed direct bis-oxycyclization of alkynyldioxolanes allows the efficient synthesis of optically pure bi- and tricyclic bridged acetal systems.

引用

页码：1277 / 1283

页数：7

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