Process for the E/Z stereoselective synthesis of homochiral five

Details Process for the E/Z stereoselective synthesis of homochiral five Process for the E/Z stereoselective synthesis of homochiral five

1988-11-21

1990-10-23

Chan, Nicky

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

568 36, 564102, 562430, 556422, 549 75, 549491, 548561, 548341, 548214, 548146, 546329, C07D31772, C07D31908, C07C14502

Patent

active

049648462

ABSTRACT:
This invention comprises a process for the production of unsymmetrical olefins from prochiral symmetrical ketones by addition of lithiosulfoximine from n-butyllithium and N-substituted S-methyl-S-phenyl-sulfoximine derivatives and then reaction with n-butyllithium/trimethychlorosilane.

REFERENCES:
Johnson et al., J. Org. Chem., 45, 264 (1980).
Johnson et al., JACS., 104, 4021 (1982).
Erdelmeier et al., Tet. Lett., 26, 4359 (1985).

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