名称:
Neue bifunktionelle Silazane und ihr Kondensationsverhalten: 3-Methyl-2,2,4,4-tetrakis(methylamino)-1-phenyl-[1,3,2,4]diazadisiletidin, 1,3-Dichloro-2-phenyl-1,1,3,3-tetrakis(dimethylamino)disilazan, 3-Methyl-2,2,4,4-tetrakis(dimethylamino)-1-phenyl-[1,3,2,4]diazadisiletidin und 2,2,4,4-Tetrakis(dimethylamino)-1-phenyl-[1,3,2,4]diazadisiletidin/New Bifunctional Silazanes and their Condensation Reactions: 3-Methyl-2,2,4,4-tetrakis(methylamino)-1-phenyl-[1,3,2,4]diazadisiletidine, 1,3-Dichloro-2-phenyl-1,1,3,3-tetrakis(dimethylamino)disilazane, 3-Methyl-2,2,4,4-tetrakis(dimethylamino)-1-phenyl-[1,3,2,4]diazadisiletidine and 2,2,4,4-Tetrakis(dimethylamino)-1-phenyl-[1,3,2,4]diazadisiletidine
摘要:
已经合成了潜在的无氧多孔固体制备前体物质1、3-二甲基氨基-2,2,4,4-四(甲基氨基)-1-苯基-[1,3,2,4]二氮杂二硅茂(1)、1,3-二氯-2-苯基-1,1,3,3-四(二甲基氨基)二硅氮烷(2)、3-甲基-2,2,4,4-四(二甲基氨基)-1-苯基-[1,3,2,4]二氮杂二硅茂(3)和2,2,4,4-四(二甲基氨基)-1-苯基-[1,3,2,4]二氮杂二硅茂(4)。所有化合物均通过晶体结构分析进行了表征。1晶体呈单斜晶系,P21/c,a = 8.44(1) Å,b = 19.56(1) Å,c = 10.68(1) Å,β = 109.4(1)°,Z = 4 (R1 = 8.7%,wR2 = 20.7%,1545个独立反射)。2晶体呈三斜晶系,P1̄,a = 8.011(2) Å,b = 8.424(2) Å,c = 16.082(2) Å,β = 91.08(1)°,β = 93.89(1)°,γ= 105.71(1)°,Z = 2 (R1 = 3.0%,wR2 = 7.9%,3657个独立反射)。3晶体呈单斜晶系,P21/c,a = 29.746(2) Å,b = 21.590(2) Å,c = 13.331(2) Å,β = 102.95(1)°,Z = 16 (R1 = 4.3%,wR2 = 9.3%,6667个独立反射)。4晶体呈三斜晶系,P1̄,a = 10.450(1) Å,b = 10.467(1) Å,c = 17.948(1) Å,α = 97.43(1)°,β = 98.73(1)°,γ = 90.08(1)°,Z = 4 (R1 = 10.2%,wR2 = 25.8%,3586个独立反射)。通过1的聚合和2的氨解和聚合,得到具有不同孔隙度的非晶态固体。