Study of Insertion Reactions with Phosph
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Wafaa Mahmoud Abdou; Amin Farouk Mohammed Fahmy; Azza Abdel-Azeem Kamel
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Article
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2002
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John Wiley and Sons
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English
⚖ 151 KB
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4-(4-Methylphenyl)-2,3-benzoxazin-1-one (1) reacts thermally with a series of alkylidene phosphoranes and the relevant salts to give mainly substituted isoquinolines. Thus, compound 1 reacts with ester ylides 2a and 2b to give isoquinolones 7a and 7b, whereas with benzoylmethylenetriphenylphosphoran