TABLE 1.

Formation of Allyl Enol Carbonates from Various Substituted Allyl 1H-imidazole-1-carboxylates

Entry	OR	Yield of 1a	Ketone	Product	Yield
1		1b 80%	2	4b	88%
2			5	6b	99%
3		1c 91%	2	4c	76%
4			5	6c	76%
5		1d 97%	2	4d	80%
6			5	6d	94%
7		1e 85%	5	6e	89%
8		1f 95%	5	6f	96%
9		1g 97%	5	6g	92%
10		1h 100%	5	6h	76%

^aIsolated yields of 1 from the reaction of 1,1′-carbonyldiimidazole and the corresponding allyl alcohol.