(Chloromethylene)triphenylphosphorane
(Chloromethylene)triphenylphosphorane is the organophosphorus compound with he formula Ph3P=CHCl (Ph = phenyl). It is a white solid but is usually generated and used in situ as a reagent in organic synthesis. It is structurally and chemically related to methylenetriphenylphosphorane. The reagent is prepared from the chloromethylphosphonium salt [Ph3PCH2Cl]Cl by treatment with strong base. The phosphonium compound is generated by treatment of triphenylphosphine with chloroiodomethane. (Chloromethylene)triphenylphosphorane converts aldehydes to vinyl chlorides: RCHO + Ph3P=CHCl → RCH=CHCl + Ph3PO
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(Chloromethylene)triphenylphosphorane
(Chloromethylene)triphenylphosphorane is the organophosphorus compound with he formula Ph3P=CHCl (Ph = phenyl). It is a white solid but is usually generated and used in situ as a reagent in organic synthesis. It is structurally and chemically related to methylenetriphenylphosphorane. The reagent is prepared from the chloromethylphosphonium salt [Ph3PCH2Cl]Cl by treatment with strong base. The phosphonium compound is generated by treatment of triphenylphosphine with chloroiodomethane. (Chloromethylene)triphenylphosphorane converts aldehydes to vinyl chlorides: RCHO + Ph3P=CHCl → RCH=CHCl + Ph3PO
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(Chloromethylene)triphenylphos ...... )2 → RC≡CH + NaCl + HN(SiMe3)2
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(Chloromethylene)triphenylphos ...... + Ph3P=CHCl → RCH=CHCl + Ph3PO
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(Chloromethylene)triphenylphosphorane
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