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. Author manuscript; available in PMC: 2013 Dec 21.
Published in final edited form as: J Org Chem. 2012 Nov 29;77(24):11333–11338. doi: 10.1021/jo3021314

Table 1.

Structure of representative amines and yields of closomers 5a–c.

Entry R-NH2 Yield (%)
5a n-Butylamine 92
5b N-Boc-ethylenediamine 86
5c N-Boc- 2,2′-(ethylenedioxy)diethylamine 84