Phosphorus, Arsenic and Antimony Derivatives

4-triphospha-2-silabutene skeleton results from [(Mes P)2SiBu-tJ and Ph2PCl and provides yellow crystals stable enough to give the first X-ray structure of a Si=P double bond, of length 209.4 pm and shorter than the other Si-P bond of 225.4 pm. The P=Si-P-P skeleton is 

The first Si-P(V) compound has been made by monosilylating (o-0C,H,0). PCl with 

RP(SiMe )SiCl(Sirie )y only. Hydrophosphination of (vinyl)2PfCt2 by f1ejSiPH2 

Silylphosphines have been extensively used in the synthesis of P(III)=C 

Condensing U-SiCl2 with L1PH2 and Li2 H gives an extensive series of linear and cyclic silaphosphines, Cr(CO) nbd Induces disproportionation of 

SiPHSlMe,PSiMe..PSll1e-,PRS1Meo to (MeoSl).P, also produced from Ll,P and 

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Reactions of Silicon-Phosphorus, -Arsenic, and -Antimony Derivatives... 

Table 30 Organolead Metal Imldes and Phosphorus, Arsenic and Antimony Derivatives...

Phosphines and arsines containing more than one olefinic group were neglected as possible multidentate ligands until Hall prepared the tris (orfAo-vinylphenyl) derivatives of phosphorus, arsenic and antimony (tvpp, tvpa and tvps) and their platinum(II) (48) and rhodium(I) (49) complexes. 

Unsolvated organomagnesium compounds have been recommended for the synthesis of organometallic derivatives of mercury, boron, aluminum, silicon, germanium, tin, phosphorus, arsenic, and antimonys> 8 and have been used in procedures for the alkylation of aromatic rings and for the production of various polymerization catalysts.4 6> 9... 

Uranium and Nitrogen, Phosphorus, Arsenic, and Antimony—Uranium Carbide —Carbonates—Cyanogen Derivatives—Compounds with Silicon and Boron. 

Phosphorus trichloride, stannous chloride, and mercuric iodide give products of the type RHgX with mercury dimethyl, but cadmium iodide does not yield the above type, and antimony trichloride yields an organometallic eoznpound. Mercury diethyd reacts with the trichlorides of phosphorus, arsenic, and antimony to yield organo derivatives of these elements, aird with mercuric chloride it gives ethyl mercuric chloride. 

A125. F. G. Mann, Chemistry of Heterocyclic Compounds, Vol. 1 Heterocyclic Derivatives of Phosphorus, Arsenic, Antimony and Bismuth, 2nd ed. Wiley (Interscience), New York, 1970. A much shorter first edition was published in 1950. A126. C. A. McAuliffe, ed., Transition Metal Complexes of Phosphorus, Arsenic and Antimony ligands. Macmillan, New York, 1973. 

Contents of Vol. 3 Fluorine Compounds in Anesthesiology (E. R. Larsen) Reactions of Fluoro-olefins with Electrophilic Reagents (B. L. Dyatkin, E. P. Mochalina, and I. L. Knunyants) Fluoro-alicyclic Derivatives of Metals and Metalloids (W. R. Cullen) Phosphorus, Arsenic, and Antimony PentaBuorophenyl Compounds (M. Fild and O. Glemser). 

ORGANOLEAD DERIVATIVES OF NITROGEN, PHOSPHORUS, ARSENIC AND ANTIMONY... 

Unlike helminth infections where a variety of drugs derived from arsenic, antimony, phosphorus, tin and lead have been used to eradicate intestinal and extrain-testinal parasites, only organo-arsenicals and -antimonials find use in the treatment of protozoal diseases [1-10]. 

F. G. Mann, The Heterocyclic Derivatives of Phosphorus, Arsenic, Antimony and Bismuth, 2nd ed., Wiley-Interscience, New York, 1970. 

Mann FG (1970) The heterocyclic derivatives of phosphorus, arsenic, antimony, and bismut, 2nd edn. Wiley, New York... 

CHEC-II(1996) comprehensively outlines the most commonly used synthetic approaches applied to these types of bicyclic compounds of phosphorus, arsenic, antimony, and bismuth <1996CHEC-II(8)863>. The six classes of compounds listed in this section have received considerable attention over the review period and as such the principal synthetic methods for these compounds are discussed. Schoth et al. <2000CCR101> have reviewed the use of fluorinated 1,3-diketones, 2-trifluoroacetylphenols, and their derivatives in the synthesis of phosphorus compounds. Included in this review is the use of these reagents for the synthesis of various [3.3.1] nonfused and [3.3.0] fused phosphorus bridgehead bicyclic systems. 

Phosphetene, arsetene, stibetene, or bismetene. Four-membered rings with one phosphorus, arsenic, antimony, or bismuth atom and one double bond in the ring are called phosphetene, arsetene, stibetene, or bismetene. These compounds can be named as phosphacyclobutene derivative, etc. The two isomers based on the position of the double bond can be named as A -phosphetene and A2-phosphetene, for example. 

These derivatives have not only provided new synthetic pathways but have shown improved thermal stability (as in the case of arsenic ylides) and a modified pattern of chemical reactivity. The donor properties of ylides 55, 24), and most of their synthetic applications 103), have been covered in other reviews and articles 3, 26) and are not duplicated here. The general organometallic chemistry of arsenic, antimony, and bismuth is the subject of the invaluable monograph by Doak and Freedman 11). The broad scope of phosphorus ylide and pentaorganophosphorane chemistry was covered in the leading multivolume series on organophosphorus chemistry edited by Kosolapoff and Maier 3, 21). Finally, the recent... 

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