Ni(ii) Complexes containing chiral tridentate phosphines as new catalysts for the hydroamination of activated olefins
作者:Luca Fadini、Antonio Togni
DOI:10.1039/b210680a
日期:2003.12.19
Ni(II) complexes containing chiral tridentate ferrocenyl phosphines (Ni(PPP)) have been found to efficiently catalyse the hydroamination of activated olefins with both anilines and aliphatic amines at r.t. (TON up to 71, TOF up to ca. 3 h−1, and enantioselectivities up to 69% ee).
Clay catalyzed chemoselective Michael type addition of aliphatic amines to α,β-ethylenic compounds
作者:Nadim S. Shaikh、Vishnu H. Deshpande、Ashutosh V. Bedekar
DOI:10.1016/s0040-4020(01)00911-5
日期:2001.10
Application of acidic clays as heterogeneous catalysts for the Michael type addition reaction of aliphaticamines to α,β-ethylenic compounds is presented. Aromatic amines do not participate in this transformation.
addition of secondary amines to α,β- or β,β-disubstituted α,β-unsaturated esters was efficiently achieved under high pressure (10-16 kbar) in protic solvents in the absence of any catalyst. The expected cumbersome β-aminesters bearing a tertiary amine directly connected to a quaternary carbon atom could be isolated in fair to good yields. By using α,β,δ,γ,-unsaturated esters (alkyl sorbate), the addition
Use of organophosphorous compounds for producing a medicament for treating infections
申请人:——
公开号:US20030144249A1
公开(公告)日:2003-07-31
The invention relates to the use of organophosphorus compounds of the general formula (I)
1
wherein B is selected from the group which consists of group
2
and group
R
1
—N═A— (III)
and wherein A is selected from the group which consists of an alkyleneamine residue, an alkenyleneamine residue, a hydroxyalkyleneamine residue, an alkyleneimine residue, an alkenyleneimine residue and a hydroxyalkyleneimine residue, wherein the nitrogen atom is located in the chain which links the phosphorus atom with the nitrogen atom of the group
3
or group R
1
—N═, for the therapeutic and prophylactic treatment of infections in humans and animals caused by viruses, bacteria, fungi and parasites and pharmaceutical preparations which contain these compounds as the active ingredient, and to the use thereof as a fungicide, bactericide and herbicide in plants.