Synthesis of Curvulone B Using the 2-Chlorobenzyl Protecting Group
摘要:
A total synthesis of curvulone B has been completed using a Friedel-Crafts reaction and a highly cis-selective intramolecular oxa-Michael addition. The 2-chlorobenzyl protecting group was employed and found to have much greater Lewis acid stability compared to the simple benzyl group.
Synthesis of Curvulone B Using the 2-Chlorobenzyl Protecting Group
摘要:
A total synthesis of curvulone B has been completed using a Friedel-Crafts reaction and a highly cis-selective intramolecular oxa-Michael addition. The 2-chlorobenzyl protecting group was employed and found to have much greater Lewis acid stability compared to the simple benzyl group.
Dendrimer Disassembly in the Gas Phase: A Cascade Fragmentation Reaction of Fréchet Dendrons
作者:Bilge Baytekin、H. Tarik Baytekin、Uwe Hahn、Werner Reckien、Barbara Kirchner、Christoph A. Schalley
DOI:10.1002/chem.200900403
日期:2009.7.20
experiments, a fragmentationcascade begins with the dissociation of the focal amine. The focal benzyl cation quickly decomposes in a fragmentationcascade from the focal point to the periphery until the peripheral benzyl (or naphthylmethyl) cations are formed. Five different mechanisms are discussed in detail, three of which can be excluded based on experimental evidence. The cascadefragmentation is reminiscent