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Studies on organophosphorus compounds 105: A facile synthesis of dialkyl 6-substituted-4-hydroxy-2-trifluoromethylquinoline-3-phosphonates

✍ Scribed by Chengye Yuan; Jingbo Xiao; Xiaomei Zhang

Publisher: John Wiley and Sons
Year: 2000
Tongue: English
Weight: 133 KB
Volume: 11
Category: Article
ISSN: 1042-7163
DOI: 10.1002/(sici)1098-1071(2000)11:3<240::aid-hc13>3.0.co;2-w

No coin nor oath required. For personal study only.

✦ Synopsis

For the investigation of biological activities of trifluoromethylated heterocyclic compounds bearing a phosphoryl moiety, a series of N-aryliminophosphonates were obtained by reaction of dialkyl 1methoxycarbonylmethylphosphonates with trifluoroacetimidoyl chlorides using NaH as a deprotonating agent. The resulting intermediates underwent cyclization on refluxing in toluene to give dialkyl 6-substituted-4-hydroxy-2-trifluoromethylquinoline-3-phosphonates.

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