氨基三甲基硅烷和二氨基二甲基硅烷转氨化反应的热力学

IF 1.8 3区化学 Q2 Materials Science

Main Group Metal Chemistry Pub Date : 2023-01-01 DOI:10.1515/mgmc-2022-8044

Steven Knerr, Marcus Herbig, Edwin Kroke

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引用次数: 0

摘要

摘要研究了两种不同的氨基硅烷(三甲基(叔丁胺)硅烷和二甲基(二氨基)硅烷)与胺(二乙胺、吡咯烷、叔丁胺、异丙胺和正丙胺)的转氨化反应。对于三甲基(有机氨基)硅烷，三甲基(异丙胺)-或三甲基(二乙胺)硅烷作为氨基硅烷与苯胺或吡咯烷反应是生产三甲基(苯胺)-和三甲基(吡咯烷)硅烷的良好原料。所研究的单胺硅烷反应的平衡常数与量子化学计算值具有良好的相关性。两种不同的二氨基硅烷me2si (NR 1 r2) 2和me2si (NR 3 r2) 2含有不同的胺基，多数情况下反应生成混合的二氨基硅烷me2si (NR 1 r2)(NR 3 r2)。

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Thermodynamics of transamination reactions with aminotrimethylsilanes and diaminodimethylsilanes

Abstract Transamination reactions of two different aminosilanes (trimethyl( tert -butylamino)silane and dimethyl(diamino)silane) with amines (diethylamine, pyrrolidine, tert -butylamine, iso -propylamine, and n -propylamine) are studied. For trimethyl(organoamino)silanes, the reaction of trimethyl( iso -propylamino)- or trimethyl(diethylamino)silane as aminosilanes and aniline or pyrrolidine are good starting materials to produce trimethyl(anilino)- and trimethyl(pyrrolidino)silane. The investigated equilibrium constants of the reactions of monoaminosilanes show a good correlation with quantum chemically calculated values. The reaction of two different diaminosilanes Me 2 Si(NR 1 R 2 ) 2 and Me 2 Si(NR 3 R 4 ) 2 containing different amino moieties leads to the formation of mixed diaminosilanes Me 2 Si(NR 1 R 2 )(NR 3 R 4 ) in most cases.

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来源期刊

Main Group Metal Chemistry 化学-无机化学与核化学

CiteScore

2.80

自引率

27.80%

发文量

审稿时长

4 weeks

期刊介绍： This journal is committed to the publication of short communications, original research, and review articles within the field of main group metal and semi-metal chemistry, Main Group Metal Chemistry is an open-access, peer-reviewed journal that publishes in ongoing way. Papers addressing the theoretical, spectroscopic, mechanistic and synthetic aspects of inorganic, coordination and organometallic main group metal and semi-metal compounds, including zinc, cadmium and mercury are welcome. The journal also publishes studies relating to environmental aspects of these metals, their toxicology, release pathways and fate. Articles on the applications of main group metal chemistry, including in the fields of polymer chemistry, agriculture, electronics and catalysis, are also accepted.