Online article for Non-subscribers

Pay per view

Heterocycles has a pay-per-view service for Non-subscribers.
You will be able to directly purchase the full text article through PayPal.
Your purchased Paper can be downloaded after the payment is completed.
An e-mail will be sent the URL to download the paper.
If you have any questions, please contact:

Price: ¥ 4,400 (Yen only)
Period: This Article can be accessed for 7 days.

Paper | Special issue | Vol 40, No. 2, 1995, pp.717-727
Published online, 1st January, 1970
DOI: 10.3987/COM-94-S58
Syntheses of Racemic and Enantiomeric (S)-(+)-4,5,6,7-Tetrahydro-5-methyl-imidazo[4,5,1-jk][1,4]benzodiazepin-2(1H)-one Derivatives

Hans Rudolf Pfaendler and Frank Weisner

*Institute of Organic Chemistry, University of Munich, Karlstrasse 23, D-80333, München, Germany


Racemic and enantiomeric (S)-(+)-4,5,6,7-tetrahydro-5-methylimidazo[4,5,1-jk][1,4]benzodiazepin-2(1H)-one derivatives were prepared using free amino acids and 3-nitroisatoic anhydride. Simultaneous reduction of two amide functions was efficiently achieved using diborane.