1975
DOI: 10.1002/cber.19751080116
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Acylgruppenwanderung, III. Enolester des 1‐Acyl‐2‐indanons

Abstract: 1-Acyl-2-indanone 2 reagieren mit Phosgen oder Chlorameisenstiure-phenylester zu den Dioxinonen 1 und mit Chlorthioameisensaure-0-phenylester zu den Dioxinthionen3. In siedenden Alkoholen werden l a und 3a in die Kohlensaure-enolestcr 9 und die ThiokohlensPure-Oenolester 13 ubergefuhrt. 1 -Acetyl-2-indanon (2a) kann auch rnit Chlorameisen~ureesternl Trilthylamin direkt zu 9 und mit Carbons&urechloriden entsprechend zu den Carbonsaureenolestern 11 umgesetzt werden. 1 a liefert rnit 1 mol Thiol/Trialkylamin die … Show more

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Cited by 10 publications
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“…This is explained by an unfavored orientation of the interacting orbitals of the electron lone pair in nitrogen and the carbonyl group [36,37). An analogous method for the initiation of acyl transfers has been used by Hartke and coworkers [39][40][41][42] The same basic reaction scheme was found [23,43,44] to operate in photoinitiated acylotropic rearrangements of N-acylaminomethylene derivatives of 3(2H)benzo( b )thiophenones and their analogs XVlIa. However, the rearrangement XVa ~ XVb proceeds rapidly and completely upon UV irradiation of solutions of XVa, leading to the intermediate formation of the E-isomer XVc, whose structure meets the steric requirements of the 1,3-acyl transfer reaction.…”
Section: Mechanisms Of Intramolecular Tautomerism 257mentioning
confidence: 89%
“…This is explained by an unfavored orientation of the interacting orbitals of the electron lone pair in nitrogen and the carbonyl group [36,37). An analogous method for the initiation of acyl transfers has been used by Hartke and coworkers [39][40][41][42] The same basic reaction scheme was found [23,43,44] to operate in photoinitiated acylotropic rearrangements of N-acylaminomethylene derivatives of 3(2H)benzo( b )thiophenones and their analogs XVlIa. However, the rearrangement XVa ~ XVb proceeds rapidly and completely upon UV irradiation of solutions of XVa, leading to the intermediate formation of the E-isomer XVc, whose structure meets the steric requirements of the 1,3-acyl transfer reaction.…”
Section: Mechanisms Of Intramolecular Tautomerism 257mentioning
confidence: 89%