Tetrahedron Letters p. 5377 - 5380 (1984)
Update date:2022-09-26
Topics:
Sabuni, Mahmud
Kresze, Guenter
Braun, Heinz
The Diels - Alder reaction of 1,3-cyclohexadiene (9) with the enantiomerically pure α-chloronitroso compound 8, synthesized from epiandrosterone (7a), gives the adduct 10a with 1-(R),4-(S) configuration in 69 percent chemical yield and >=95 percent enantiomeric excess.
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