期刊
TETRAHEDRON LETTERS
卷 41, 期 9, 页码 1381-1384出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4020(99)01076-5
关键词
carbanions; cyclic ketones; cyclisation; deprotonation; oximes; substitution
Reaction of (2-bromomethyl-phenyl)-methoxyimino-acetic acid methyl ester 4 with oximes 1 in the presence of NaH/DMF yields 8-substituted 5H,9H-6-oxa-7-aza-benzocyclononene-10,11-dione-11-O-methyloximes 3 together with the expected open chain compounds 2. Some spectroscopic data as well as synthetic and mechanistic aspects of the formation of the novel compounds 3 are discussed. (C) 2000 Elsevier Science Ltd. All rights reserved.
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