<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Bera, Smritilekha</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Enantioselective synthesis of 1-azaspiro[5.5]undecane ring system of histrionicotoxin alkaloids from D(+)-glucose</style></title><secondary-title><style face="normal" font="default" size="100%">Heterocycles</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">chiron approach</style></keyword><keyword><style  face="normal" font="default" size="100%">domino reaction</style></keyword><keyword><style  face="normal" font="default" size="100%">Ring closing metathesis</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2005</style></year><pub-dates><date><style  face="normal" font="default" size="100%">DEC</style></date></pub-dates></dates><number><style face="normal" font="default" size="100%">12</style></number><publisher><style face="normal" font="default" size="100%">PERGAMON-ELSEVIER SCIENCE LTD</style></publisher><pub-location><style face="normal" font="default" size="100%">THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND</style></pub-location><volume><style face="normal" font="default" size="100%">65</style></volume><pages><style face="normal" font="default" size="100%">2901-2916</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;Histrionicotoxins, the archetype of a group of spiropiperidine containing alkaloids from the brightly colored poison arrow frog Dendrobates histronicus native to the Amazon rain forests of Southern Columbia, was first isolated by Daly, Witkop and co-workers in 1971.1 They all share a common Iazaspiro[5.5]undecan-8-ol ring system with unsaturated C4 or C5 side chains at both the 2 and 7 positions. The nature and length of the side chains distinguish the different members of the histrionicotoxin family.&lt;/p&gt;</style></abstract><issue><style face="normal" font="default" size="100%">12</style></issue><work-type><style face="normal" font="default" size="100%">Article</style></work-type><custom3><style face="normal" font="default" size="100%">&lt;p&gt;Foreign&lt;/p&gt;</style></custom3><custom4><style face="normal" font="default" size="100%">1.107</style></custom4></record></records></xml>