A One-Step Synthesis of 1,4-Bis(1-phospholano)butane
作者:R. Emrich、P. W. Jolly
DOI:10.1055/s-1993-25785
日期:——
The title compound 2 has been prepared in high yield by reacting trimethylphosphite with 1,4-dilithiumbutane. Monodentate 1-alkylated phospholanes 4 can be prepared in an analogous manner by reacting alkyldimethoxyphosphine derivatives 3.
申请人:SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V.
公开号:EP0517317A1
公开(公告)日:1992-12-09
A process for the preparation of linear polymers which comprises polymerizing at least a conjugated diene and/or a monoalkylene aromatic compound in the presence of an organoalkali metal initiator compound and at least a hydrocarbon diluent, and subsequently contacting the living polymer chains with a compound of general formula;
RP(X)n(OR¹)₂
wherein R is a hydrocarbyl group of which the carbon atom connected to the phosphorus atom is a secondary or tertiary carbon atom; R¹ is an optionally substituted hydrocarbyl group; X represents an 0 or S atom; and n is 0 or 1.
一种制备线性聚合物的工艺,包括在有机碱金属引发剂化合物和至少一种烃类稀释剂存在下,聚合至少一种共轭二烯和/或单烷基芳香族化合物,然后将活体聚合物链与通式化合物接触;
RP(X)n(OR¹)₂
其中 R 是烃基,其中与磷原子相连的碳原子是仲碳原子或叔碳原子;R¹ 是任选取代的烃基;X 代表 0 原子或 S 原子;n 是 0 或 1。
Alkoxyphosphonium salts. 4. Kinetics and mechanisms of Arbuzov reactions
作者:Edward S. Lewis、Donald Hamp
DOI:10.1021/jo00160a017
日期:1983.6
Laskorin,B.N. et al., Journal of general chemistry of the USSR, 1974, vol. 44, p. 1685 - 1688
作者:Laskorin,B.N. et al.
DOI:——
日期:——
Mass spectrometry of organic compounds of group V elements 7—N-alkoxyamines
作者:R. G. Kostyanovsky、A. P. Pleshkova、V. N. Voznesensky、V. F. Rudchenko、S. Sh. Trokhova
DOI:10.1002/oms.1210190303
日期:1984.3
AbstractThe suggestion of participation of the participation Ione electron pair of the nitrogen atom in amine‐type stabilization has been confirmed by a decrease in amine‐type fragmentation and a drastic change in the decomposition routes under electron impact of N‐alkoxyamines.