Studies on Organoarsenic Compounds(X)——The Mass Spectrum of α-Thenoylacylmethyltriphenylarsine and Its Reactions with Acid Anhydrides and Acyl Halides

Chem. J. Chinese Universities ›› 1988, Vol. 9 ›› Issue (7): 696.

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Studies on Organoarsenic Compounds(X)——The Mass Spectrum of α-Thenoylacylmethyltriphenylarsine and Its Reactions with Acid Anhydrides and Acyl Halides

Tao Wentian, Yang Tingxian, Zhang Yinhua

Department of Chemistry, Wuhan University, Wuhan

Received:1987-02-12 Online:1988-07-24 Published:1988-07-24

Abstract

Abstract: This paper presents the mass spectrum of α-thenoylacylmethyltriphenylarsine (1) and its reactions with acid anhydrides and acyl halides. The fragment peaks pf arspnium ylide (1) are shpwn.Arspnium ylide (1) reacted with a variety pf acid anhydrides tp fprm new stable derivatives pf the corresppnding diketoarsonium ylides (2_a-d) at 30-60℃; in benzene. Acylation of arsonium ylide (1) with acyl halides in benzene led to enol-ester derivatives (3_a-f). We alsp found that when arsonium ylides (3_c,d) was heated in basic trichloromethane, diketoarsonium ylides (4_d) and arsonium ylide (1) was obtained. The structures of products have been ascertained by elemental analysis, IRand ¹H NMRspectroscopies.

Key words: Arsonium ylide, Acylation, Organoarsenic compound

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Tao Wentian, Yang Tingxian, Zhang Yinhua . Studies on Organoarsenic Compounds(X)——The Mass Spectrum of α-Thenoylacylmethyltriphenylarsine and Its Reactions with Acid Anhydrides and Acyl Halides[J]. Chem. J. Chinese Universities, 1988, 9(7): 696.

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Studies on Organoarsenic Compounds(X)——The Mass Spectrum of α-Thenoylacylmethyltriphenylarsine and Its Reactions with Acid Anhydrides and Acyl Halides

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