The chlorination of O,O-dialkyl N,N-dialkyl thiophosphoramidates with phosphorus oxychloride proceeds with isomerization to give S-alkyl N,N-dialkyl thiophosphoramidochloridates,which react further with various nucleo...The chlorination of O,O-dialkyl N,N-dialkyl thiophosphoramidates with phosphorus oxychloride proceeds with isomerization to give S-alkyl N,N-dialkyl thiophosphoramidochloridates,which react further with various nucleophiles in the presence of base to give the title compounds.展开更多
Three tin ? complexes with N,N- dialkyl dithiocarbamates Ph3SnS2CN(CH3)C6 H5 (1),Ph3SnS2CN(C4H8NH) (2) and Sn(Cl)2(S2CNEt2)2 (3) have been synthesized. Th e crystal structures have been determined by X- ray sin- <I...Three tin ? complexes with N,N- dialkyl dithiocarbamates Ph3SnS2CN(CH3)C6 H5 (1),Ph3SnS2CN(C4H8NH) (2) and Sn(Cl)2(S2CNEt2)2 (3) have been synthesized. Th e crystal structures have been determined by X- ray sin- <IMG SRC="IMAGE/0915 0031.JPG" HEIGHT=11 WIDTH=12>gle crystal diffraction. A crystal of the complex 1 is triclinic with space group , a=0.9485(3)nm, b=1.0491(3)nm, c=1.3631(4)nm, α =70.996(4)° , β =72.294(4)° , γ =79.609(4)° , Z=2, V=1.2168(6)nm3, <IMG SR C="IMAGE/09150032.JPG" HEIGHT=11 WIDTH=12>Dc=1.453g· cm- 3, μ =1.234mm- 1, R =0.0442, wR=0.0858. A crystal of the complex 2 is monoclinic with space group P2 (1)/c, a=1.2214(2)nm, b=1.1651(2)nm, c=1.5769(3)nm,β =99.039(2)° , Z=2, V=2.21 62(7)nm3, Dc=1.532g· cm- 3, μ =1.352mm- 1, R=0.0267, wR=0.0591. A crystal of the complex 3 is triclinic with space group , a=0.7179(2)nm, b=0.9256(3)nm, c=1 .5327(5)nm,α =93.857(4)° ,β =98.992(4)° , γ =109.481(4)° , Z=2, V=0.9405(5 )nm3, Dc=1.717g· cm- 3, μ =2.076mm- 1, R=0.0263, wR=0.0662. In the complexes 1 and 2 the tin atoms rendered five- coordination in a distorted tigonal bipyr amidal structure and in the complex 3 the tin atom rendered six- coordination i n a distorted octahedron structure. CCDC: 1, 179918; 2, 180024; 3, 180004.展开更多
A facile one-pot synthesis of 3,4,5-substituted furan-2（5H）-one derivatives from a three-component reaction of aniline derivatives, dialkylacetylenedicarboxylates and aromatic aldehydes under mild conditions using t...A facile one-pot synthesis of 3,4,5-substituted furan-2（5H）-one derivatives from a three-component reaction of aniline derivatives, dialkylacetylenedicarboxylates and aromatic aldehydes under mild conditions using tetra-n-butylammonium bisulfate as a catalyst has been developed.展开更多
文摘The chlorination of O,O-dialkyl N,N-dialkyl thiophosphoramidates with phosphorus oxychloride proceeds with isomerization to give S-alkyl N,N-dialkyl thiophosphoramidochloridates,which react further with various nucleophiles in the presence of base to give the title compounds.
文摘Three tin ? complexes with N,N- dialkyl dithiocarbamates Ph3SnS2CN(CH3)C6 H5 (1),Ph3SnS2CN(C4H8NH) (2) and Sn(Cl)2(S2CNEt2)2 (3) have been synthesized. Th e crystal structures have been determined by X- ray sin- <IMG SRC="IMAGE/0915 0031.JPG" HEIGHT=11 WIDTH=12>gle crystal diffraction. A crystal of the complex 1 is triclinic with space group , a=0.9485(3)nm, b=1.0491(3)nm, c=1.3631(4)nm, α =70.996(4)° , β =72.294(4)° , γ =79.609(4)° , Z=2, V=1.2168(6)nm3, <IMG SR C="IMAGE/09150032.JPG" HEIGHT=11 WIDTH=12>Dc=1.453g· cm- 3, μ =1.234mm- 1, R =0.0442, wR=0.0858. A crystal of the complex 2 is monoclinic with space group P2 (1)/c, a=1.2214(2)nm, b=1.1651(2)nm, c=1.5769(3)nm,β =99.039(2)° , Z=2, V=2.21 62(7)nm3, Dc=1.532g· cm- 3, μ =1.352mm- 1, R=0.0267, wR=0.0591. A crystal of the complex 3 is triclinic with space group , a=0.7179(2)nm, b=0.9256(3)nm, c=1 .5327(5)nm,α =93.857(4)° ,β =98.992(4)° , γ =109.481(4)° , Z=2, V=0.9405(5 )nm3, Dc=1.717g· cm- 3, μ =2.076mm- 1, R=0.0263, wR=0.0662. In the complexes 1 and 2 the tin atoms rendered five- coordination in a distorted tigonal bipyr amidal structure and in the complex 3 the tin atom rendered six- coordination i n a distorted octahedron structure. CCDC: 1, 179918; 2, 180024; 3, 180004.
基金fnancial support from the Research Council of the University of Sistan and Baluchestan
文摘A facile one-pot synthesis of 3,4,5-substituted furan-2（5H）-one derivatives from a three-component reaction of aniline derivatives, dialkylacetylenedicarboxylates and aromatic aldehydes under mild conditions using tetra-n-butylammonium bisulfate as a catalyst has been developed.
