Table 2.

Other Diazo Compounds and Iodonium Ylides.

entry	ynamides	2-amido-furans	yield [%]:a	C	D	E	F
1			31	69	56b
2			32			57	55
3			33			61	48
4			34			63	47
5			35			31	39
6			36	29
7			37			41	38

^aIsolated yields. For reaction conditions, see footnote-^b and ^c in Table 1.

^b4Å MS was not used, and 3.0 equiv of the ylide was added over 8 h with the reaction mixture being stirred at rt for 20 h after addition.