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ABSTRACT:
SUBMITTER: Gangadhararao G
PROVIDER: S-EPMC4077435 | biostudies-literature | 2014
REPOSITORIES: biostudies-literature
Gangadhararao G G Kotikalapudi Ramesh R Nagarjuna Reddy M M Swamy K C Kumara KC
Beilstein journal of organic chemistry 20140502
A range of phosphinoylindoles was prepared in one-pot from functionalized propargyl alcohols and a suitable P(III) precursor via a base-mediated reaction. The reaction proceeds via the intermediacy of allenylphosphine oxides. Similarly, phosphinoylisocoumarins were prepared from allenylphosphine oxides in a trifluoroacetic acid-mediated reaction; the latter also acts as a solvent. Interestingly, in the presence of wet trifluoroacetic acid, in addition to phosphinoylisocoumarins, phosphorus-free ...[more]