Catalytic asymmetric hydrogenation in the manufacture of d-biotin and dextromethorphan

Chimia

Volumn 51, Issue 6, 1997, Pages 300-302

  Imwinkelried, René ^a  

^a LONZA AG   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000566269     PISSN: 00094293     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (9)

1. For more recent examples with extensive referencing to previous syntheses of d-Biotin see: a) F.D. Deroose, P.J. DeClercq, J. Org. Chem. 1995, 60, 321;
2. b) M.J. Moolenaar, W.N. Speckamp, H. Hiemstra, E. Poetsch, M. Casutt, Angew. Chem. 1995, 107, 2582;
3. c) T. Fujisawa, M. Nagai, Y. Koike, M. Shimizu, J. Org. Chem. 1994, 59, 5865.
4. M. Eyer, R. Fuchs, J. McGarrity, EP 602653, 1994 (Lonza); M. Eyer, R.E. Merril, PCT Int. Appl. WO 9424137, 1994 (Lonza); J. Mc-Garrity, F. Spindler, R. Fuchs, M. Eyer, EP 624587, 1994 (Lonza).
5. M. Eyer, R. Fuchs, J. McGarrity, EP 602653, 1994 (Lonza); M. Eyer, R.E. Merril, PCT Int. Appl. WO 9424137, 1994 (Lonza); J. Mc-Garrity, F. Spindler, R. Fuchs, M. Eyer, EP 624587, 1994 (Lonza).
6. M. Eyer, R. Fuchs, J. McGarrity, EP 602653, 1994 (Lonza); M. Eyer, R.E. Merril, PCT Int. Appl. WO 9424137, 1994 (Lonza); J. Mc-Garrity, F. Spindler, R. Fuchs, M. Eyer, EP 624587, 1994 (Lonza).
7. see preceding paper of H.-U. Blaser.
8. O. Werbitzky, PCT Int. Appl. WO 97 03052, 1997 (Lonza).
9. A. Togni, C. Breutel, A. Schnyder, F. Spindler, H. Landert, A. Tijani, J. Am. Chem. Soc. 1994, 116, 4062.