Journal of Organic Chemistry p. 3643 - 3652 (1986)
Update date:2022-08-04
Topics:
Snider, Barry B.
Ron, Eyal
The <2+2> cycloadditions of the substituted allenic esters methyl 2,3-pentadienoate (2), methyl 4-methyl-2,3-pentadienoate (3), and methyl 2-methyl-2,3-butadienoate (4) with alkenes occur at carbons 3 and 4 as with methyl 2,3-butadienoate to give similar
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