New developments in palladium catalysed cross coupling: The coupling of alkyl iodides with alkyl Grignard reagents
作者:Paul L Castle、David A Widdowson
DOI:10.1016/s0040-4039(00)85386-1
日期:1986.1
The species generated by the reduction of 1,1′-bis(di-phenylphosphino)ferrocenepalladium dichloride is an effective catalyst for the cross coupling of alkyl iodides with alkylGrignard reagents.
Direct catalytic cross-coupling of organolithium compounds
作者:Massimo Giannerini、Martín Fañanás-Mastral、Ben L. Feringa
DOI:10.1038/nchem.1678
日期:2013.8
carbon–carbon bond formation based on cross-coupling reactions plays a central role in the production of natural products, pharmaceuticals, agrochemicals and organic materials. Coupling reactions of a variety of organometallic reagents and organic halides have changed the face of modern synthetic chemistry. However, the high reactivity and poor selectivity of common organolithium reagents have largely prohibited
A detergent including one or more neutral or overbased alkaline earth metal C
10
to C
40
hydrocarbyl substituted hydroxybenzoates, in which:
(i) the one or more neutral or overbased alkaline earth metal C
10
to C
40
hydrocarbyl substituted hydroxybenzoates is or includes one or more C
10
to C
40
hydrocarb-1-yl substituted hydroxybenzoates; or,
(ii) greater than 50 mole % of the one or more neutral or overbased alkaline earth metal C
10
to C
40
hydrocarbyl substituted hydroxybenzoates, based on the total number of moles of said C
10
to C
40
hydrocarbyl substituted hydroxybenzoates, is or includes one or more C
10
to C
40
hydrocarb-2-yl substituted hydroxybenzoates.
Detergent comprising C10 to C40 hydrocarbyl substituted hydroxybenzoates for reducing asphaltene precipitation
申请人:Bertram Richard D.
公开号:US08404627B2
公开(公告)日:2013-03-26
A detergent including one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates, in which:
(i) the one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates is or includes one or more C10 to C40 hydrocarb-1-yl substituted hydroxybenzoates; or,
(ii) greater than 50 mole % of the one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates, based on the total number of moles of said C10 to C40 hydrocarbyl substituted hydroxybenzoates, is or includes one or more C10 to C40 hydrocarb-2-yl substituted hydroxybenzoates.
Paranjpe; Phalnikar; Nargund, Journal of the University of Bombay, Science: Physical Sciences, Mathematics, Biological Sciences and Medicine, 1942, vol. 11/A, p. 120,122