Reactions of aminophosphines and aminobis(phosphines) with aldehydes and ketones: Coordination complexes of the resultant aminobis(alkylphosphineoxides) with cobalt, uranium, thorium and gadolinium salts
作者:Srinivasan Priya、Maravanji S. Balakrishna、Shaikh M. Mobin
DOI:10.1016/j.poly.2005.04.036
日期:2005.9
Abstract The reaction of aminophosphines and aminobis(phosphines) with aldehydes leads to either insertion of carbon fragments into the P(III)–N bonds or formation of α-hydroxyphosphine oxides through P(III)–N bond cleavage. Reaction of 1,2-C6H4N(H)PPh2}2 with paraformaldehyde gives the P(III)–N bond inserted product 1,2-C6H4N(H)CH2P(O)Ph2}2, whereas 1,3-C6H4N(H)PPh2}2 forms an analogous product
摘要氨基膦和氨基双(膦)与醛的反应导致碳片段插入P(III)-N键或通过P(III)-N键断裂形成α-羟基氧化膦。1,2-C6H4 N(H)PPh2} 2与低聚甲醛反应生成P(III)–N键插入的产物1,2-C6H4 N(H)CH2P(O)Ph2} 2,而1,3 -C6H4 N(H)PPh2} 2形成类似产物,但通过亲核加成在两个氮中心之间插入一个亚甲基,形成双环衍生物1,3-C6H4 Ph2P(O)CH2N(μ-CH2) )NCH2P(O)Ph2}。Ph2PN(H)Ph与芳族醛RCHO(R = C6H4OH-o,5-BrC6H3OH-o,(η5-C5H5)Fe(η5-C5H4-))的反应导致'RCH'插入P( III)–N键得到Ph2P(O)CH(R)N(H)Ph。氨基双(膦)的反应 具有芳族和脂族醛的Ph2PN(nBu)PPh2可以通过P(III)-N键断裂形成Ph2P(O)C