. 2014 Jan 28;136(5):2149–2161. doi: 10.1021/ja4126565

Table 1. Initial Screening of Different NHC–Cu Complexes^a.

entry	imidazolinium salt	conv (%)^b	yield (%)^c	S_N2′:S_N2^b	er^d
1	4	38	31	67:33	45:55
2	5	76	59	79:21	74:26
3	6	38	30	>98:2	78:22
4	7	91	90	>98:2	41:59
5	8	72	70	98:2	34:66
6	9a	98	93	98:2	87:13
7	9b	97	97	98:2	92:8

Reactions performed under N₂ atm.

Conversion (allylic phosphate consumption) and site selectivity (±2%) were determined by analysis of 400 MHz ¹H NMR spectra of product mixtures prior to purification.

Yield of products (±5%) after purification by silica gel chromatography.

Enantioselectivity (±2%) determined by HPLC analysis. See the Supporting Information for experimental and analytical details.

Table 1. Initial Screening of Different NHC–Cu Complexesa.

Table 1. Initial Screening of Different NHC–Cu Complexes^a.