New amino-acid complexes of molybdenum-(V) and -(VI)
作者:Raymond J. Butcher、H. Kipton J. Powell、Cuthbert J. Wilkins、Shim Hian Yong
DOI:10.1039/dt9760000356
日期:——
acid, and histidine behave as tridentate ligands towards molybdenum(VI). In neutral solution they give complexes whose compositions and i.r. spectra show them to contain a MoO3 core. The spectra of the corresponding molybdenum(V) complexes obtained at pH 5.5 point to the presence of a di-µ-oxo-dioxo Mo2O4 core. The glycinatomolybdenum(VI) complex is of the type[MoO2(GlyO)2] with two bidentate ligands.
的阴离子的氨基酸亚氨基二乙酸,Ñ -methyliminodiacetic酸,氨三乙酸,天冬氨酸和组氨酸表现为朝着钼三齿配体(VI)。在中性溶液中,它们生成的配合物的组成和红外光谱表明它们含有MoO 3核。在pH 5.5下获得的相应钼(V)配合物的光谱表明存在二-μ-氧代-二氧代Mo 2 O 4核。糖原钼(VI)配合物是具有两个双齿配体的[MoO 2(GlyO)2 ]类型。在pH 6时,铀酰-NN-二乙酸盐对Mo V是三齿的和Mo VI,但在pH 2时,通过额外使用酰脲环的羰基,它以四齿方式与Mo VI O 2核配位。
METHOD OF ENHANCING ADSORPTION OF AN INHIBITOR ONTO A WELLBORE REGION
申请人:M-I SWACO Norge AS
公开号:EP2217671B1
公开(公告)日:2012-02-08
METHOD OF INHIBITING SALT PRECIPITATION FROM AQUEOUS STREAMS
申请人:M-i Swaco Norge As
公开号:EP2217672A2
公开(公告)日:2010-08-18
Method of inhibiting salt precipitation from aqueous streams
申请人:M-I SWACO Norge AS
公开号:EP2597126B1
公开(公告)日:2015-05-27
POLY(CARBONATE-CO-UREA) COPOLYMERS AND MELT TRANSESTERIFICATION METHOD OF PREPARING THESE COPOLYMERS
申请人:Kamps Jan Henk
公开号:US20080275206A1
公开(公告)日:2008-11-06
Disclosed herein is a poly(carbonate-co-urea-co-ester) copolymer comprising incorporated urea compound, dihydroxy compound and diacid compound residues. Also disclosed herein is a poly(carbonate-co-urea) copolymer comprising incorporated urea compound and dihydroxy compound residues.