An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Scheme 9. Peptide cyclization via imine formation and subsequently trapping of the imine. a: On-resin strategies to generate the aldehyde. b: General reaction scheme of imine formation and trapping. c: Trapping via Pictet–Spengler.