FACILE METAL-DIRECTED SYNTHESIS AND CRYSTAL-STRUCTURE OF A NEW AMINO-ACID ESTER, METHYL 3-[(2-AMINOETHYL)AMINO]-2-[(2-AMINOETHYL)AMINOMETHYL]PROPIONATE, AS THE COPPER(II) COMPLEX

被引：18

作者：

BERNHARDT, PV ^{[1
]}

LAWRANCE, GA ^{[1
]}

SKELTON, BW ^{[1
]}

WHITE, AH ^{[1
]}

机构：

[1] UNIV WESTERN AUSTRALIA,DEPT PHYS & INORGAN CHEM,NEDLANDS,WA 6009,AUSTRALIA

来源：

AUSTRALIAN JOURNAL OF CHEMISTRY | 1990年 / 43卷 / 02期

关键词：

D O I：

10.1071/CH9900399

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Condensation of bis(ethane-1, 2-diamine) copper(II) perchlorate with formaldehyde and diethyl malonate in basic methanol generates the new amino acid ester complex (ethyl hydrogen bis[(2-aminoethyl)aminomethyl]malonate)copper(II) perchlorate, [Cu(1)] (ClO4)2. Base-catalysed ester hydrolysis and decarboxylation in methanol of [Cu(1)]2+ yields, with reesterification, (methyl 3-[(2-aminoethyl)amino]-2-[(2-aminoethyl)aminomethyl]propionate)copper(II) perchlorate, [Cu(2)](ClO4)2. This complex crystallizes in the monoclinic space group P21/c, a 12·763(6), b 9·176(2), c 16·32(2) Å, ß 112·49 (6)°, Z 4, R 0·054 for 2626 independent ‘observed’ reflections. The copper ion lies in a near plane of four nitrogens with perchlorates occupying axial sites. © 1990 ASEG.

引用

页码：399 / 404

页数：6

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