. Author manuscript; available in PMC: 2009 Apr 13.

Published in final edited form as: J Am Chem Soc. 2008 Jun 25;130(29):9200–9201. doi: 10.1021/ja802353j

Table 1.

C1-Substituted Analogues Synthesized via Scheme 1

compound	R	name	yield [%]
5a	CH₃	DPD	70
5b	CH₂CH₃	ethyl-DPD	53
5c	CH₂CH₂CH₃	propyl-DPD	64
5d	CH₂(CH₂)₂CH₃	butyl-DPD	58
5e	CH₂(CH₂)₄CH₃	hexyl-DPD	61
5f	CH₂CH₂(C₆H₅)	phenyl-DPD	44
5g	CH₂(CH₂)₃N₃	azidobutyl-DPD	36