Deprotection of structurally diverse N-Boc-amines.

Entrya	Substrate (a)	Time/h	Product (b)	Yield (%)
1		2		70
2		1.5		87
3		1.5		83
4		1		80
5		2		83
6		3		78
7		1.5		76
8		1.5		81
9		1		86
10		2.5		64
11		4		87
12		3.5		55
13		2		90

^aAll reactions were conducted in methanol at RT, with N-Boc substrate (1 equiv.), (COCl)₂ (3 equiv.).