采用尿素和N,N-二甲基-1,3-丙二胺在常压下加热反应合成了1,3-双[3-(二甲胺基)丙基]脲(DPU),考察了反应温度、反应时间对DPU产率和粘度的影响,将不同条件下合成的DPU与二氯乙醚反应生成二氨基脲聚合物(PUB),并与PUB对照品进行比较。研...采用尿素和N,N-二甲基-1,3-丙二胺在常压下加热反应合成了1,3-双[3-(二甲胺基)丙基]脲(DPU),考察了反应温度、反应时间对DPU产率和粘度的影响,将不同条件下合成的DPU与二氯乙醚反应生成二氨基脲聚合物(PUB),并与PUB对照品进行比较。研究表明,在反应温度140℃,反应时间6 h条件下合成的DPU产率为91.8%,粘度290 c P。此条件下合成的DPU与二氯乙醚反应生成的PUB的色泽和粘度与对照品最接近。展开更多
The title complex, mercury bridged biferrocene trinuclear complex Hg(FcL)2. Bis (S-methyl-N- (1-ferrocenyl-1-methyl) methylenedithiocarbazate) mercury,Crystallizes in space group Pbca with a =19. 510 (4), b=19. 921 (5...The title complex, mercury bridged biferrocene trinuclear complex Hg(FcL)2. Bis (S-methyl-N- (1-ferrocenyl-1-methyl) methylenedithiocarbazate) mercury,Crystallizes in space group Pbca with a =19. 510 (4), b=19. 921 (5), c=15. 581 (3)A. V=6095(3) A, Z=8,M.=863. 12, Dc=1.881 g/cm3; u=19. 24 cm-1 and F(000) = 3376. The final refinement of 2455 observed reflections is converged with R= 0. 043 and Rw=0.047. X-ray crystal structure analysis revealed that the coordinationgeometry of Hg atom is a distorted tetrahedron with two Hg-N bonds and two Hg- S bonds. The Schiff-base ligand loses a proton from its tautomeric thiol form and is cryordianted to the Hg aotm uia the mercapto sulphur and the β-nitrogen atoms.展开更多
文摘采用尿素和N,N-二甲基-1,3-丙二胺在常压下加热反应合成了1,3-双[3-(二甲胺基)丙基]脲(DPU),考察了反应温度、反应时间对DPU产率和粘度的影响,将不同条件下合成的DPU与二氯乙醚反应生成二氨基脲聚合物(PUB),并与PUB对照品进行比较。研究表明,在反应温度140℃,反应时间6 h条件下合成的DPU产率为91.8%,粘度290 c P。此条件下合成的DPU与二氯乙醚反应生成的PUB的色泽和粘度与对照品最接近。
文摘The title complex, mercury bridged biferrocene trinuclear complex Hg(FcL)2. Bis (S-methyl-N- (1-ferrocenyl-1-methyl) methylenedithiocarbazate) mercury,Crystallizes in space group Pbca with a =19. 510 (4), b=19. 921 (5), c=15. 581 (3)A. V=6095(3) A, Z=8,M.=863. 12, Dc=1.881 g/cm3; u=19. 24 cm-1 and F(000) = 3376. The final refinement of 2455 observed reflections is converged with R= 0. 043 and Rw=0.047. X-ray crystal structure analysis revealed that the coordinationgeometry of Hg atom is a distorted tetrahedron with two Hg-N bonds and two Hg- S bonds. The Schiff-base ligand loses a proton from its tautomeric thiol form and is cryordianted to the Hg aotm uia the mercapto sulphur and the β-nitrogen atoms.