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Twelve triphenylgermanium alkynyl phosphonates were synthesized by th e reaction of triphenylgermanium chloride with corresponding alkynyl phosphates￡(r)Their structures were characterized by elemental analysis,IR,1 H NMR and MS￡(r)The results showed that O￡-bis￡¨triphenylgermanium￡(c)alkynyl phosphonates contain both f our-and five-coordinated germanium atom an d that O-triphenylgermanium alkynyl phosphonates contain five-coordi nated germanium atom￡(r)
Twelve triphenylgermanium alkynyl phosphonates were synthesized by th e reaction of triphenylgermanium chloride with corresponding alkynyl phosphates £ (r) Their structures were characterized by elemental analysis, IR, 1 H NMR and MS £ (r) The results showed that O £ -bis £ ¨ triphenylgermanium £ (c) alkynyl phosphonates contain both f our-and five-coordinated germanium atoms an d that O-triphenylgermanium alkynyl phosphonates contain five-coordi nated germanium atoms £ (r)