5-androsten-3β-ol steroid intermediates and processes...

Organic compounds -- part of the class 532-570 series – Organic compounds – Cyclopentanohydrophenanthrene ring system containing

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C552S612000

Reexamination Certificate

active

07002028

ABSTRACT:
The present invention provides 5-androsten-3β-ol steroid intermediates and processes for their preparation.

REFERENCES:
patent: 3294646 (1966-12-01), Smith et al.
patent: 4031074 (1977-06-01), deJongh et al.
patent: 4045574 (1977-08-01), Kerb et al.
patent: 4054563 (1977-10-01), Anner et al.
patent: 4056633 (1977-11-01), Kerb et al.
patent: 4196203 (1980-04-01), Kapp et al.
patent: 4336332 (1982-06-01), Fujiwara et al.
patent: 4416985 (1983-11-01), Petzoldt et al.
patent: 4559332 (1985-12-01), Grob
patent: 4614616 (1986-09-01), Petzoldt et al.
patent: 5981744 (1999-11-01), Ng et al.
patent: 6046023 (2000-04-01), Wiersma et al.
patent: 2771105 (1997-11-01), None
Bell, AM et al ‘Microbiological hydroxylation. XX. Hydroxylation of dioxygenated 5 alpha-androstanes with the fungiAbsidia regnieriandSyncephelastrum racemosum’ CA 84:5238 (1976).
Wuts, PGM et al ‘New process for the preparation of methyl caronates’ Organic Letters vol. 5(9) p. 1483-1485 (2003).
Adams, JB et al ‘Preparation and reactions of 7αhydroxy and 7βhydroxydehydroepiandroseterone’ CA 77:62217 (1972).
Bensasson, C.M., et al., “The Hydroxylation of β-Androstenes by Cephalosporium Aphidicola”, Phytochemistry, vol. 49, (8), pp. 2355-2358 (1998).
Cotillon, A-C., et al., “The Inducible and Cytochrome P450- Containing Dehydroepiandrosterone 7 α-Hydroxylating Enzyme System of Fusarium moniliforme”, J. Steroid Biochem. Molec. Biol., vol. 62 (5/6), pp. 467-475 (1997).
Cotillon, A-C. & R. Morfin, “Transformation of 3-hydroxy-steroids by Fusarium moniliforme 7 α-hydroxyllase”, J. Steroid Biochem. Molec. Biol., vol. 68, pp. 229-237 (1999).
Kolek, Teresa, “Biotransformation XLVII: transformations of 5-ene steroids in Fusarium culmorum culture”, J. Steroid Biochem. Molec. Biol., vol. 71, pp. 83-90 (1999).
Madyastha, K.M. & T. Joseph, “Transformation of dehydroepiandrosterone and pregnenolone by Mucor piriformis”, Appl. Microbiol. Biotechiol, vol. 44, pp. 339-343 (1995).
Wilson, M.R., et al., “Steroid transformations with Fusarium oxysporum var. cubense and Collectotrichum musae”, Steroids, vol. 64, pp. 834-843 (1999).
Wuts, P.G.M., and A.R. Ritter, “A Novel Synthesis of Spironolactone. An Application of the Hydroformylation Reaction”, J. Org. Chem., vol. 54, pp. 5180-5182 (1989).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

5-androsten-3β-ol steroid intermediates and processes... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with 5-androsten-3β-ol steroid intermediates and processes..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 5-androsten-3β-ol steroid intermediates and processes... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3639265

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.