Jun 15, 1988 - fractionation seen here indicates that while the cyclo- addition is not synchronous, it is concerted. Product distributions 7/6 and 8/5 reveal a ...
Sep 28, 2006 - ide (NHS), N-(3-dimethylaminopropyl)-Nâ²-ethylcarbodiimide hy- drochloride (EDC) ... attached to the stereogenic center.9,10 For that, 4-NH2-D-Phe at a .... tance was caused by the increased density of the diffuse ion cloud.
Aaron R. Minter, Amelia A. Fuller, and Anna K. Mapp*. Departments of Chemistry and Medicinal Chemistry, UniVersity of Michigan, Ann Arbor, Michigan 48109.
Mar 1, 1994 - Mater. 1994, 6, 1258-1268. Twinned Crystals of Enantiomorphous Morphology of. Racemic Alanine Induced by Optically Resolved a-Amino.
1. 1. 1. 2. s t e P s. B r ^ O H . ^ > C ^ O M e. ^ T i o Y X. ° M e. 1 0. NH2 -HCI. H 2 ( 1 2 b a r ). ,. OH O .... hydrogen the enantioselectivity was improved to 93% ee.
signal intensity, Nb the amount of biradical, µ the Bohr magneton, k the Boltzmann constant, and AE the energy gap between the singlet and the higher triplet.
Nov 11, 2003 - tion for protein and peptide design. Methods of Incorporation. The oldest method of biosynthetic incorporation of un- natural amino acids is the ...
(1) Arbogast, J. F., personal communication, Aug. ... obtained for individual amino acids and .... the extra carboxyl group of aspartic and glutamic acids at low. pH.
Analogues of bradykinin were synthesized containing single substitutions by 7Vâ-methyl amino acids in the 1, 4,. 5, 8, and 9 positions. [MeArg1 ]Bradykinin ...