Synthesis and characterization of metallatranes with phenyl substituents in atrane cage
作者:Sergey S. Karlov、Anastasia A. Selina、Eleonora S. Chernyshova、Yuri F. Oprunenko、Alexei A. Merkulov、Victor A. Tafeenko、Andrei V. Churakov、Judith A.K. Howard、Galina S. Zaitseva
DOI:10.1016/j.ica.2006.07.109
日期:2007.2
N(CH2CH2O)2(CHR3CR1R2O)MZ (M = Si, Z = CH2Cl, C CPh, H, OMenth, R1, R2, R3 = H, Ph; M = B, Z = nothing, R1, R2, R3 = H, Ph) have been synthesized. Both transalkoxylation and stepwise modification of a preformed metallatrane skeleton were used. The chloromethyl derivatives N(CH2CH2O)2(CHRCHRO)SiCH2Cl (R = H, Ph) react with tert-BuOK under intramolecular cycle expansion to give 1-tert-butoxy-2-carba-3-oxahomosilatranes
摘要一系列新的单和二苯基取代的甲硅烷基和硼烷烃N(CH2CH2O)2(CHR3CR1R2O)MZ(M = Si,Z = CH2Cl,C CPh,H,OMenth,R1,R2,R3 = H,Ph; M = B ,Z =无,R 1,R 2,R 3 = H,Ph)已经合成。既进行了烷氧基化反应又对预先形成的金属latrane骨架进行了逐步修饰。氯甲基衍生物N(CH2CH2O)2(CHRCHRO)SiCH2Cl(R = H,Ph)在分子内循环膨胀下与叔丁基醚反应,得到1-叔丁氧基-2-氨基-3-氧杂亚杂环戊酸酯N(CH2CH2O)(CH2CH2OCH2) (CHRCHRO)SiOtBu(R = H,Ph)。用三氟甲磺酸和三氟甲磺酸三甲基甲硅烷基酯处理硼烷烃N(CH2CH2O)2(CH2CR1R2O)B(R1,R2 = H,Ph)会导致氮原子上发生亲电进攻的产物。