Organocatalytic asymmetric intramolecular [3+2] cycloaddition: A straightforward approach to access multiply substituted hexahydrochromeno[4,3-b]pyrrolidine derivatives in high optical purity
1985 ◽
Vol 107
(8)
◽
pp. 2564-2565
◽
1992 ◽
Vol 40
(6)
◽
pp. 1670-1672
◽
1975 ◽
Vol 29b
◽
pp. 93-98
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