✦ LIBER ✦

Origin of regioselectivity in nucleophilic ring-opening reaction of 4-trifluoroacetyl-1,3-oxazolium-5-olates

✍ Scribed by Masami Kawase; Hiromi Koiwai; Setsuo Saito; Teruo Kurihara

Publisher: Elsevier Science
Year: 1998
Tongue: French
Weight: 131 KB
Volume: 39
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(98)01271-4

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✦ Synopsis

~gO-Labeling experiments and PM3 calculations show that the observedregioselectivides on mesoionic 4-trifluoroacetyl-l,3-oxazolium-5-olates by nucleophilic attack of NH 3 ~d H20 are rationally understood on the basis of the HSAB theory.

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