. Author manuscript; available in PMC: 2015 Jan 1.

Published in final edited form as: Top Curr Chem. 2014;343:1–32. doi: 10.1007/128_2013_481

Table 3.

Tin-Free Radical Additions to 10a in the Presence of InCl₃


Entry	R²	Method	Yield^a
1	Et	A	33%
2	i-Pr	A	75%^b
3	c-C₅H₉	A	47%
4	c-C₆H₁₁	A	56%
5	ClCH₂	A	33%
6	1,3-dioxolan-2-yl	B	87%^c
7	1,3-dioxolan-2-yl	C	96%^d

Reaction conditions: A: As in Table 2, minus Bu₃SnH. B: 1,3-dioxolane, Ph₂CO, InCl₃, hν, −78 °C. C: Same as B, except one-pot; N-acylhydrazone prepared and used in situ.

Isolated yield.

dr >95:5 (¹H NMR).

dr 91:9 (Alonso, ref. 36).

dr 98:2 (Alonso, ref. 36).