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Organo-phosphorus compoundsS 0080 Synthesis of Derivatives of Pyrido[1,2-c][1,3,2]oxazaborinine and Pyri-

do[2,1,6-f,g][1,3,7,2]dioxazaphosphacyclodecane. — Condensation of 2,6-bis(hy-droxyphenyl)piperidone (III) with boronic acids or POCl3 provides the title oxaza-borinines (V) or P-heterocycle (VI), resp., for which diverse biological activities such as cutinase inhibitor activity, spasmolytic activity and cardiotonic action is predicted. — (LE, T. A.; SOLDATENKOV*, A. T.; TRUONG, H. H.; SOLDATOVA, S. A.; LEVOV, A. N.; POLYANSKIY, K. B.; Chem. Heterocycl. Compd. (N. Y.) 44 (2008) 12, 1527-1531; People's Friendship Univ., Moscow 117198, Russia; Eng.) — C. Cyrus

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