Processes and intermediates for the preparation of cyclic urea H

Details Processes and intermediates for the preparation of cyclic urea H Processes and intermediates for the preparation of cyclic urea H

1998-01-13

2000-04-25

Richter, Johann

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31304

Patent

active

060545976

ABSTRACT:
This invention relates to novel compounds and derivatives thereof containing a trioxepane protected diol in addition to a hydrazone, hydrazine, amine, or cyclic urea moiety; methods for the preparation of said compounds; and the use of said compounds in processes to prepare human immunodeficiency virus (HIV) protease inhibitors which effectively inhibit HIV. The novel compounds provided by this invention have the formulae: ##STR1## wherein the substituents are as defined herein.

REFERENCES:
patent: 5466797 (1995-11-01), Rossano et al.
patent: 5532356 (1996-07-01), Symser et al.
patent: 5532357 (1996-07-01), Rodgers et al.
patent: 5710286 (1998-01-01), Rossano et al.
Rossano et al., A Practical Synthesis of Nonpeptide Cyclic Ureas as Potent HIV Protease Inhibitors, Tetrahedron Letters, vol. 36, No. 28, pp. 4967-4970, Jul. 1995.

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