N,N-bis(trimethylsilyl)methoxymethylamine as a convenient synthetic equivalent for +CH2NH2: primary aminomethylation of esters
作者:Kohji Okano、Toshiaki Morimoto、Minoru Sekiya
DOI:10.1039/c39840000883
日期:——
The introduction of a primary aminomethyl unit at the α-position of esters can be achieved in high yield by the silyltrifluoromethanesulphonate-catalysedreaction of ketenesilylacetals (2) with N,N-bis(trimethylsilyl)methoxymethylamine (1).
The introduction of the primary aminomethyl unit at carbon through N,N-bis(trimethylsily)aminomethylation of Grignard and organolithium compounds can be achieved in good yield using N,N-bis(trimethylsily)methoxymethylamine (1).
Metallocene-mediated synthesis of chain-end functionalized polypropylene and application in PP/clay nanocomposites
作者:T.C. Chung
DOI:10.1016/j.jorganchem.2005.04.031
日期:2005.12
proportional to the molar ratio of [St-f]/[propylene]. Despite the extremely low concentration of functional group, the high molecular weight chain end functionalized PP-t-OH and PP-t-NH3+ exhibit a distinctive advantage over other functional PP polymers containing side chain functional groups or long functional blocks. The terminal hydrophilic OH and NH3+ cations, with good mobility and reactivity, effectively
Triblock copolymer nanotubes bearing end-exposed poly(acrylic acid) or PAA core chains were prepared. The exposed PAA chains were reacted by amidization with a large excess of polystyrene spacer chains possessing amino end groups or amino-containing endblocks to graft the spacer chains. The amino groups at the other end of the spacer chains were then reacted with nanospheres bearing surface carboxyl
N,N-bis(trimethylsilyl)methoxymethylamine as a convenient synthetic equivalent for +CH2NH2: N,N-bis(trimethylsilyl)aminomethylation of silyl sulphides and phosphites
作者:Toshiaki Morimoto、Masahiro Aono、Minoru Sekiya
DOI:10.1039/c39840001055
日期:——
N-Silyl-protected primary aminomethyl sulphides and aminomethylphosphonates can be synthesised by the Lewis acid-catalysed reactions of silyl sulphides and silylphosphites with N,N-bis(trimethylsilyl)methoxymethylamine.