Formation of 4-p-bromophenyl-5-hydroxy-3-methoxycarbonyl-5,6-dihydro-4H-1,2-oxazine by means of new ring transformation of an isoxazoline-2-oxide

DOI: 10.1248/cpb.40.1921

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 1921 - 1922 (1992)

Update date:2022-08-04

Topics:

Authors:

Harada Harada

Shimozono

Kaji Kaji

Takayanagi

Ogura Ogura

Zen Zen

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Article abstract of DOI:10.1248/cpb.40.1921

4-p-Bromophenyl-5-hydroxymethyl-3-methoxycarbonyl-2-isoxazoline-2-oxid e methanesulfonate (1c) reacted with excess titanium tetrabromide in dichloromethane to yield a novel ring transformation product, 4-p-bromophenyl-5-hydroxy-3-methoxycarbonyl-5,6-dihyd

Full text of DOI:10.1248/cpb.40.1921

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Product name:(4R,5R)-4-(4-Bromo-phenyl)-5-hydroxymethyl-2-oxy-4,5-dihydro-isoxazole-3-carboxylic acid methyl ester

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