Synthesis p. 690 - 693 (1992)
Update date:2022-08-03
Topics:
Valla
Giraud
Thermal activation of 2-methoxycarbonyl-4-methylalka-2,4,6-trienoic acids 1 affords bicyclic α-carboxy-γ-lactone esters (methyl 3,3a,4,6a-tetrahydro-6a-methyl-2-oxo-2H-cyclopenta[b]furan-3-carboxyla tes, 2) in high yields.
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Doi:10.1002/anie.201300648
(2013)Doi:10.1002/hlca.19920750419
(1992)Doi:10.1002/adsc.200505175
(2005)Doi:10.1021/jo048173k
(2005)Doi:10.1039/j39660000255
(1966)Doi:10.1055/s-2002-33542
(2002)
