Conclusions
Cleavage of 2-oxo-2-chloromethyl-1,3,2-benzodioxaphosphole by Grignard reagents produced pyrocatechol esters of alkyl- and aryl(chloromethyl)phosphinic acids, cyclization of which and subsequent hydrolysis lead to alkyl- and aryl(o-oxyphenoxymethyl)phosphinic acids.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 943–946, April, 1989.
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Bovin, A.N., Tsvetkov, E.N. Synthesis of alkyl- and aryl(o-oxyphenoxymethyl) phosphinic acids. Russ Chem Bull 38, 850–853 (1989). https://doi.org/10.1007/BF00953305
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DOI: https://doi.org/10.1007/BF00953305