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Metal Complexes of Biologically Important Ligands, CLV (1). Some Derivatives of 4-Ethynylphenylalanine

Metal Complexes of Biologically Important Ligands, CLV (1). Some Derivatives of... Abstract The benzoyl protected 4-ethynyl-L-phenylalanine methyl ester gives with octacarbonyldicobalt and ethylene-bis(triphenylphosphine)platinum(0) the complexes Co 2 (CO) 6 (HC≡CR) and (Ph 3 P) 2 Pt(HC≡CR) (R = p-C 6 H 4 CH 2 CH(CO 2 Me)N(HCOPh). The heterocumulene (Cp(Ph 3 P) 2 Ru=C=C(H)R)+BF 4 − (R = p-C 6 H 4 CH 2 C(H)N(H)-Boc is formed from (Cp(Ph 3 P) 2 Ru) + BF 4 − and N-t-Boc-4-ethynylphenylalanine methyl ester. The alkynyl bridged tetraamino acid with a tetraphenylmethane backbone C(p-C 6 H 4 C≡C-p-C 6 H 4 -CH 2 CH(CO 2 Me)NH-t- Boc) 4 was synthesized from tetrakis(4-iodophenyl)methane and N-Boc-4-ethynylphenylalanine methyl ester by Sonogashira coupling. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Zeitschrift für Naturforschung B de Gruyter

Metal Complexes of Biologically Important Ligands, CLV (1). Some Derivatives of 4-Ethynylphenylalanine

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Publisher
de Gruyter
Copyright
Copyright © 2004 by the
ISSN
0932-0776
eISSN
1865-7117
DOI
10.1515/znb-2004-0817
Publisher site
See Article on Publisher Site

Abstract

Abstract The benzoyl protected 4-ethynyl-L-phenylalanine methyl ester gives with octacarbonyldicobalt and ethylene-bis(triphenylphosphine)platinum(0) the complexes Co 2 (CO) 6 (HC≡CR) and (Ph 3 P) 2 Pt(HC≡CR) (R = p-C 6 H 4 CH 2 CH(CO 2 Me)N(HCOPh). The heterocumulene (Cp(Ph 3 P) 2 Ru=C=C(H)R)+BF 4 − (R = p-C 6 H 4 CH 2 C(H)N(H)-Boc is formed from (Cp(Ph 3 P) 2 Ru) + BF 4 − and N-t-Boc-4-ethynylphenylalanine methyl ester. The alkynyl bridged tetraamino acid with a tetraphenylmethane backbone C(p-C 6 H 4 C≡C-p-C 6 H 4 -CH 2 CH(CO 2 Me)NH-t- Boc) 4 was synthesized from tetrakis(4-iodophenyl)methane and N-Boc-4-ethynylphenylalanine methyl ester by Sonogashira coupling.

Journal

Zeitschrift für Naturforschung B – de Gruyter

Published: Aug 1, 2004

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