Table 4.

Cross-Coupling of Aryl Chlorides with Various Potassium Alkoxymethyltrifluoroborates^a

entry	nucleophile		product		isolated yield (%)
1		2a		R = CN 4a	75
				OME4a’	77
2		2b		R = CN 4b	72
				OME4b’	74
3		2c		R = CN 4c	67
4		2d		R = CN 4d	80
5		2f		R = CN 4f	48
6		2g		R = CN 4g	67
				OME4g’	60

^aAll reactions were carried out using 0.5mmol of aryl chloride and 0.55 mmol of alkoxymethyltrifluoroborate.