Tetrahedron Letters p. 4577 - 4578 (1991)
Update date:2022-08-04
Topics:
Solujic, Slavica
Sukdolak, Slobodan
Ratkovic, Zoran
Acetoxylation of 4-methyl-4-dichloromethyl-5-(methoxycarbonyl)methyl-2-cyclohexen-1-one with lead(IV) acetate in the presence of Lewis acids gives the corresponding 6-trans-α-acetoxylated derivative which, in an excess of boron trifluoride etherate (or in acidic media), undergoes cyclization to a trans-γ-lactone.
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