Cycloaddition of. Diphenylketene to Some C=N Heterocycles. Structural Assignment and Reactions of Adducts

Makhluf J. Haddadin; Alfred Hassner

doi:10.1021/jo00955a016

Cycloaddition of. Diphenylketene to Some C=N Heterocycles. Structural Assignment and Reactions of Adducts

Makhluf J. Haddadin
, Alfred Hassner

University of Colorado Boulder

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

The cycloaddition reactions of diphenylketene to some C=N heterocycles have been reexamined and the adducts are assigned oxazinone (3 or 4) rather than amido ketone structures 2. The reaction of 4 with hydrazine yielded pyrazolinone 7, whereas sodium methoxide produced the ring-opened ester 6.

Original language	English
Pages (from-to)	2650-2652
Number of pages	3
Journal	Journal of Organic Chemistry
Volume	38
Issue number	15
DOIs	https://doi.org/10.1021/jo00955a016
State	Published - 1 Jul 1973
Externally published	Yes

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title = "Cycloaddition of. Diphenylketene to Some C=N Heterocycles. Structural Assignment and Reactions of Adducts",

abstract = "The cycloaddition reactions of diphenylketene to some C=N heterocycles have been reexamined and the adducts are assigned oxazinone (3 or 4) rather than amido ketone structures 2. The reaction of 4 with hydrazine yielded pyrazolinone 7, whereas sodium methoxide produced the ring-opened ester 6.",

author = "Haddadin, \{Makhluf J.\} and Alfred Hassner",

year = "1973",

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N2 - The cycloaddition reactions of diphenylketene to some C=N heterocycles have been reexamined and the adducts are assigned oxazinone (3 or 4) rather than amido ketone structures 2. The reaction of 4 with hydrazine yielded pyrazolinone 7, whereas sodium methoxide produced the ring-opened ester 6.

AB - The cycloaddition reactions of diphenylketene to some C=N heterocycles have been reexamined and the adducts are assigned oxazinone (3 or 4) rather than amido ketone structures 2. The reaction of 4 with hydrazine yielded pyrazolinone 7, whereas sodium methoxide produced the ring-opened ester 6.

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JO - Journal of Organic Chemistry

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Cycloaddition of. Diphenylketene to Some C=N Heterocycles. Structural Assignment and Reactions of Adducts

Abstract

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