Enantiomers of 2-methyl- and 2,4-dimethy
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Alenka Rutar; Urša Žbontar; Danijel Kikelj; Ivan Leban
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Article
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1998
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John Wiley and Sons
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English
⚖ 260 KB
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Both enantiomers of 2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2carboxylic acid 2 and 2,4-dimethyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid 3 were prepared via resolution of the corresponding racemic carboxylic acids with (R)-and (S)-1-phenylethylamine, respectively. Absolute config