. Author manuscript; available in PMC: 2011 Aug 11.

Published in final edited form as: J Am Chem Soc. 2010 Aug 11;132(31):10857–10865. doi: 10.1021/ja103082y

Table 1.

Values of K_trans/cis and υ_ester for Ac-Pro-OMe, Ac-hyp-OMe, and Ac-mop-OMe

Ac-Xaa-OMe	K_trans/cis (CDCl₃)^a	υ_ester (CHCl₃; cm⁻¹)	K_trans/cis (D₂O)^a
Ac-Pro-OMe	4.0^b	1743^c	5.3^b
Ac-hyp-OMe	5.0	1725^c	2.7
Ac-mop-OMe	1.9	1752	2.0

Values were determined by ¹H NMR spectroscopy.

From ref. 3e.

From ref. 3c.