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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >PNPCB heterocycles via thermal and Lewis acid catalyzed trans-hydroborations
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PNPCB heterocycles via thermal and Lewis acid catalyzed trans-hydroborations

机译:PNPCB杂环通过热和路易斯酸催化的反式硼氢化

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摘要

The compounds iPr(2)P(BH3)N-3 1, tBu(2)PC=CR (R = Ph 2, tBu 3, Cy 4) and Ph2PC=CR (R = Ph 5, tBu 6, Cy 7) were reacted to give the products tBu(2)P(C=CR)NP(BH3)iPr(2) (R = Ph 8, tBu 9, Cy 10) and Ph2P(C=CR)NP(BH3)iPr(2) (R = Ph 11, tBu 12, Cy 13). Subsequent thermally induced or Lewis acid catalyzed intramolecular hydroboration of 8 and 11 afforded the PNPCB heterocyclic compounds Ph2P(C-CHPh)NP (BH2)iPr(2) 14 and tBu(2)P(C-CHPh)NP(BH2)iPr(2) 15, respectively. Compounds 8-11 and 13-15 were crystallographically characterized and the mechanisms and implications for the synthesis of inorganic heterocycles are considered.
机译:化合物iPr(2)P(BH3)N-3 1,tBu(2)PC = CR(R = Ph 2,tBu 3,Cy 4)和Ph2PC = CR(R = Ph 5,tBu 6,Cy 7)反应生成产物tBu(2)P(C = CR)NP(BH3)iPr(2)(R = Ph 8,tBu 9,Cy 10)和Ph2P(C = CR)NP(BH3)iPr(2 )(R = Ph 11,tBu 12,Cy 13)。随后的热诱导或路易斯酸催化的8和11分子内硼氢化反应提供了PNPCB杂环化合物Ph2P(C-CHPh)NP(BH2)iPr(2)14和tBu(2)P(C-CHPh)NP(BH2)iPr( 2)15。对化合物8-11和13-15进行了晶体学表征,并考虑了其合成无机杂环的机理和意义。

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