✦ LIBER ✦

Chiral Quadridentate Ligands Derived from Amino Acids and Some Zinc Complexes Thereof

✍ Scribed by Nicole Niklas; Olaf Walter; Ralf Alsfasser

Publisher: John Wiley and Sons
Year: 2000
Tongue: English
Weight: 398 KB
Volume: 2000
Category: Article
ISSN: 1434-1948
DOI: 10.1002/1099-0682(200008)2000:8<1723::aid-ejic1723>3.0.co;2-n

No coin nor oath required. For personal study only.

✦ Synopsis

A series of three new quadridentate ligands was synthesized by reaction of the haloacetylated amino acid esters L- BrAc-Phe-OMe (4a), L-BrAc-Lys(Z)-OMe (4b), and ClAc-Gly-OEt (4c), respectively, with bis(picolyl)amine (bpa, 5). The obtained products L-bpaAc-Phe-OMe (3a), L-bpaAc-Lys(Z)-OMe (3b), and bpaAc-Gly-OEt (3c) were treated with Zn(OTf) 2 (OTf = CF 3 SO 3

, and (bpaAc-Gly-OEt)ZnOTf (6c). Crystal structures of 6c and the hydrolysis product (L-bpaAc-Phe-OMe)-(H 2 O)ZnOTf 2 (7a) are reported. The results suggest the

📜 SIMILAR VOLUMES

Binuclear and polynuclear rhodium comple

Binuclear and polynuclear rhodium complexes containing chiral dithiolate ligands derived from lactic acid

✍ Z. Freixa; E. Martin; S. Gladiali; J. C. Bayón 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 127 KB

Two precursors of the chiral dithiolato ligands, di-[(2R)-acetylmercaptopropyl] phthalate and isophthalate, 1 and 2 respectively, were synthesized from (S)-lactic acid. Reactions of 1 and 2 with [Rh 2 (m)-OMe) 2 (cod) 2 ] (cod = 1,5-cyclo-octtadiene) yielded rhodium thiolato complexes of different n

Synthesis, Structures, and Redox Propert

Synthesis, Structures, and Redox Properties of Copper Complexes with Chiral and Achiral Amino Acid Derived Ligands

✍ Nicole Niklas; Frank Hampel; Olaf Walter; Günter Liehr; Ralf Alsfasser 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 179 KB 👁 2 views

Supramolecular chirality induction in bi

Supramolecular chirality induction in bis(zinc porphyrin) by amino acid derivatives: Rationalization and applications of the ligand bulkiness effect

✍ Victor V. Borovkov; Naoyuki Yamamoto; Juha M. Lintuluoto; Takumi Tanaka; Yoshihi 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 179 KB 👁 1 views

Synthesis of Some C2-Symmetric Bidentate

Synthesis of Some C2-Symmetric Bidentate Ligands and Their Complexes Derived from Feist's Acid

✍ Abdullah M. A. Al-Majid; Zeid A. Al-Othman; Mohammad Shahidul Islam 📂 Article 📅 2012 🏛 John Wiley and Sons 🌐 German ⚖ 215 KB

## Abstract Various new __C__~2~‐symmetric bidentate ligands, bearing phosphorus, nitrogen, and sulfur, were obtained in an efficient manner, starting from (±)‐__trans__‐3‐methylidenecyclopropane‐1,2‐dicarboxylic acid (__Feist__'s acid; (±)‐__trans__‐**3**). The structures of the new bidentate liga

Synthesis, Relaxivity and MRI Enhancemen

Synthesis, Relaxivity and MRI Enhancement of Linear Oligo-Gd(III) Complexes with Poly (DTPA-ester) Ligands Derived from Amino Acids

✍ Kri-Chao Yu; Xin-Bing Wang; Chao-Hui Ye; U-Yun U; Mai-Li Liu; Ren-Xi Zhuo 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 411 KB 👁 1 views

On-column labeling technique and chiral

On-column labeling technique and chiral ligand-exchange CE with zinc(II)-L-arginine complex as a chiral selector for assay of dansylated D,L-amino acids

✍ Li Qi; Gengliang Yang 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 308 KB 👁 1 views