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Synlett 1991; 1991(1): 29-30
DOI: 10.1055/s-1991-20616
DOI: 10.1055/s-1991-20616
letter
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.
A Convenient Synthesis of Methyl (p-Toluenesulphonylimino) acetate. Addition Reactions with Dienes
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Publikationsdatum:
07. März 2002 (online)
The thermal reaction of methyl glyoxylate with p-toluenesulphonyl isocyanate gave the title imino-ester 1, which underwent in situ hetero-Diels-Alder reactions with various 1,3-dienes (6 examples). With 1-ethoxy-3-(trimethylsioxy)-1,3-cyclo-hexadiene the aza-Mukaiyama product was obtained exclusively, whereas with furans electrophilic substitution at the 2-position took place.