. Author manuscript; available in PMC: 2015 Jan 17.

Published in final edited form as: Org Lett. 2014 Jan 6;16(2):556–559. doi: 10.1021/ol403429e

Table 1.

Spectroscopic Properties of N-Acetylated Methyl Esters of Trp Analogues in MeOH

Trp analogue	λ_{abs, max} (nm)	ε (M⁻¹cm⁻¹)	λ_{ex, max} (nm)	λ_{em, max} (nm)	Φ_F
Trp	280	6900	280	346	0.18
Ac-Trp-1-OMe	260	18100	260	420	0.10
Ac-Trp-2-OMe	272	15500	272	421	0.03