Synthesis of Heterocycles via Cycloadditions I (Paperback, Softcover reprint of hardcover 1st ed. 2008)

Heterocyclicmoleculesplayasigni?cantroleinlifeprocessesandhaveplayed a major rolein industrial developments of the last century, for instance in the ?eld of dyes, pharmaceuticals, pesticides, polymers etc. They comprise not onlysomeofthemostinterestingandbiologicallyimportantnaturalproducts like alkaloids, carbohydrates, nucleic acids, and antibiotics but include many practical drugs and a large segment of known synthetic organic compounds. Hencescientistshavedevotedagreatamountofeffortto?ndoptimalsynthetic approachesto a variety ofheterocyclic compounds. Amongthemostsuccessfulandselectivesyntheticprocessesarecycload- tionreactions, since theyinvolvesimultaneous orsequential formationoftwo ormorebondsoftenwithahighdegreeofstereoselectivityandregioselectivity. Forinstance, 1,3 dipolar cycloadditionsareelectronicallyequivalent to Diels- Alder reactions and are among the most common 5-membered ring-forming systems. In addition they usually proceed with a high degree of stereo- and regio-control.It is therefore, not surprising that synthesis of many important classesofheterocycles, includingthoseofusefulbiologicallyactivemolecules, haveutilized cycloadditionsteps intheir formation.Furthermore, manyhe- rocyclesserve as intermediates in the synthesis of polyfunctional molecules. In this volume we present ?ve selected contributions by well-known - thors, each an authority in his ?eld. The ?rst chapter deals with construction ofisoxazolines(dihydroisoxazoles)via1,3-dipolarcycloadditionsofnitronates or of nitrile oxides generated from nitroalkanes. This includes inter- as well as intramolecular processes. Many of these heterocycles possess important synthetic and biological properties and are shown to lead to stereo- and - gioselectiveintroductionofmultifunctionalmoleculessuchasaminoalcohols, ?-amino acids, aldols, nitriles, and othe

General

Imprint:	Springer-Verlag
Country of origin:	Germany
Series:	Topics in Heterocyclic Chemistry, 12
Release date:	October 2010
First published:	2008
Editors:	Alfred Hassner
Dimensions:	235 x 155 x 13mm (L x W x T)
Format:	Paperback
Pages:	229
Edition:	Softcover reprint of hardcover 1st ed. 2008
ISBN-13:	978-3-642-09708-9
Categories:	Books > Science & Mathematics > Chemistry > Organic chemistry > General Promotions
LSN:	3-642-09708-1
Barcode:	9783642097089

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