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ChemInform Abstract: Intramolecular Trapping of Esters and Amides by 1-Lithio-1-bromocyclopropanes.

✍ Scribed by Mark S. Baird; Florian A. M. Huber; Viacheslav V. Tverezovzky; Ivan G. Bolesov

Publisher: John Wiley and Sons
Year: 2010
Weight: 30 KB
Volume: 30
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199908088

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ChemInform Abstract: Intramolecular Trap

ChemInform Abstract: Intramolecular Trapping of Amides by 1-Lithio-1-bromocyclopropanes.

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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

ChemInform Abstract: Intramolecular Trap

ChemInform Abstract: Intramolecular Trapping of Esters by 1-Lithio-1-bromocyclopropanes.

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Synthesis of Carbocycles by Insertion of 1,1-Dihalo-1-lithio Species into Zirconacycles. -Selected halogenocarbenoids insert into a zirconacyclopentane to produce the related five-membered carbocyclic rings [cf. (III)] via sequential 1,2-metalate and diotropic rearrangements. Extension of this meth

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Intramolecular Cycloaddition of 5-Alkenyl-1-pyrroline 1-Oxide-5carboxylic Esters. -Thermal treatment of the pyrroline-1-oxides (Ia)-(Ic) results in intramolecular cyclization to give the azatricyclo compounds (II) and (III), while (Id) fails to react. The products are subjected to hydrogenolysis, f