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Amino Substituted 1-Oxa-3-azabutatrienium Salts: Preparation, Structure and Reaction with Carbonyl Compounds by Edgar Müller; Olli Orama; Gotteried Huttner; Johannes C. Jochims is a Chemistry article available to read on EtoBox.

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N,N-Dimethylformamide (ie) and N,N-dimethylpivalamide (18) react with carbonyl chloride isocyanate (2) in the presence of antimony pentachloride to afford the amino substituted 1-oxa-3-azabutatrienium hexachloroantimonates !&I!?. An X-ray diffraction analysis of Be confirms the proposed structure. The heterocumulenes &,b react with aldehydes, ketones and tertiary carboxamides to give the amino substituted 2-azaallenium salts l&-p in high yields. --- We recently described 1) the preparation of 1-oxa-3-axabutatrienium salts 2, a new class of highly reactive heterocumulenes, from a-chloro isocyanates 2 2) and Lewis acids, e.g. antimony pentachloride.

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Author

Edgar Müller; Olli Orama; Gotteried Huttner; Johannes C. Jochims

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0040-4020)

Published

1985

Language

EN

Field

Chemistry (Physical Sciences)