期刊
INORGANIC CHEMISTRY
卷 52, 期 18, 页码 10690-10697出版社
AMER CHEMICAL SOC
DOI: 10.1021/ic401844m
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资金
- U.S. Department of Energy
- National Science Foundation
- National Science Foundation [CHE-0840438]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1011748] Funding Source: National Science Foundation
Reaction of the amine boranes NH2(R)BH3, where R = H, Me, and Bz, with 1/3 equiv of sodium hexamethyldisilazane produced the five-membered, linear aminoborane anions Na+[BH3N(R)HBH2N(R)HBH3-], where R = H (1), Me (1Me), and benzyl (1Bz). Reactions of 1 and 1Me with ammonium chloride and methylammonium chloride, respectively, resulted in elimination of NaCI and H-2 to produce the linear triborazanes BH3(RNHBH2)(2)N(R)H-2, where R = H (2) and Me (2Me), with the structure of 2 crystallographically confirmed. The reactions of 1 and 1Me with pyridine-HCl produced the pyridine-capped aminoboranes H3B(RNHBH2)(2)(NC5H5), where R = H (3) and Me (3Me). 2 and 2Me proved to be stable up to 90 C but produced a mixture of products when heated above 90 degrees C. 2 was selectively monochlorinated at the terminal boron when treated with 1 equiv of HCl and dichlorinated when reacted with a second 1 equiv of HCl.
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