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A series of new nido-carborane based carboxylic acids 10-HOOC(CH2)n(Me)S-7,8-C2B9H11 (n = 1–4) was prepared by alkylation of tetrabutylammonium salt of 10-methylthio-7,8-dicarba-nido-caborane with ω-halogenoalkyl esters or nitriles followed by acid hydrolysis. Likewise nido-carborane based amines 10-H2N(CH2)n(Me)S-7,8-C2B9H11 (n = 2, 3) were obtained using ω-bromoalkylphthalimides as alkylating agents...
A series of new boron-containing carboxylic acids was prepared by the ring-opening reaction of cyclic oxonium derivatives of the closo-decaborate anion [B 10 H 10 ] 2− with methyl esters of hydroxybenzoic acids or the cyanide anion followed by hydrolysis of the obtained nitrile and esters. Acid hydrolysis of the esters results in protonation of the oxygen atom connected to...
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