. 2014 Jul 25;16(16):4158–4161. doi: 10.1021/ol501853y

Table 1. Controlling Selectivity of the DDA Reaction²⁰.

graphic file with name ol-2014-01853y_0006.jpg

entry	solvent (ε)	concn (M)	yield (%)	16:17^a
1	o-DCB-d₄ (9.93)	0.06	75	2:1
2	DMF (36.7)	0.06	90	0:1
3	PhNO₂ (34.8)	0.06	93	1:0
4	PhNO₂ (34.8)	0.24	–	2.5:1
5	NMP (32.2)	0.06	–	1:12

Ratios of 16:17 determined by ¹H NMR spectroscopy.

Table 1. Controlling Selectivity of the DDA Reaction20.