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Details for Patent: 5,679,797

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Details for Patent: 5,679,797

Title: Retroviral protease inhibiting compounds
Abstract:A retroviral protease inhibiting compound of the formula: ##STR1## is disclosed.
Inventor(s): Kempf; Dale J. (Libertyville, IL), Norbeck; Daniel W. (Crystal Lake, IL), Sham; Hing Leung (Gurnee, IL), Zhao; Chen (Gurnee, IL)
Assignee: Abbott Laboratories (Abbott Park, IL)
Filing Date:Mar 28, 1995
Application Number:08/412,244
Claims:1. A compound of the formula: ##STR18## wherein R.sub.1 is monosubstituted thiazolyl or monosubstituted oxazolyl wherein the substituent is selected from (i) C.sub.1 -to-C.sub.6 -loweralkyl, (ii) C.sub.2 -to-C.sub.6 -loweralkenyl, (iii) C.sub.3 -to-C.sub.7 -cycloalkyl, (iv) C.sub.3 -to-C.sub.7 -cycloalkyl-C.sub.1 -to-C.sub.6 -alkyl, (v) C.sub.5 -to-C.sub.7 -cycloalkenyl, (vi) C.sub.5 -to-C.sub.7 -cycloalkenyl-C.sub.1 -to-C.sub.6 -alkyl, (vii) C.sub.1 -to-C.sub.6 -alkoxy-C.sub.1 -to-C.sub.6 -alkyl or benzoyloxy, (viii) C.sub.1 -to-C.sub.6 -thioalkoxy-C.sub.1 -to-C.sub.6 -alkyl or benzyl-S-C.sub.1 -to-C.sub.6 -alkyl, (ix) C.sub.1 -to-C.sub.6 -alkylamino, (x) di-C.sub.1 -to-C.sub.6 -alkylamino, (xi) phenyl wherein the phenyl ring is unsubstituted or substituted with a substituent selected from halo, C.sub.1 -to-C.sub.6 -loweralkyl, hydroxy, C.sub.1 -to-C.sub.6 -alkoxy, benzyloxy, benzyl-S-and C.sub.1 -to-C.sub.6 -thioalkoxy, (xii) phenyl-C.sub.1 -to-C.sub.6 -alkyl wherein the phenyl ring is unsubstituted or substituted as defined above, (xiii) di-C.sub.1 -to-C.sub.6 -alkylamino-C.sub.1 -to-C.sub.6 -alkyl, (xiv) C.sub.1 -to-C.sub.6 -alkoxy or benzyloxy and (xv) C.sub.1 -to-C.sub.6 -thioalkoxy or benzyl-S-;

n is 1, 2 or 3;

R.sub.2 is hydrogen or C.sub.1 -to-C.sub.6 -loweralkyl;

R.sub.3 is C.sub.1 -to-C.sub.6 -loweralkyl;

R.sub.4 and R.sub.4a are independently selected from phenyl wherein the phenyl ring is unsubstituted or substituted with a substituent selected from (i) halo, (ii) C.sub.1 -to-C.sub.6 -loweralkyl, (iii) hydroxy, (iv) C.sub.1 -to-C.sub.6 -alkoxy or benzyloxy and (v) C.sub.1 -to-C.sub.6 -thioalkoxy or benzyl -S-;

R.sub.6 is hydrogen or C.sub.1 -to-C.sub.6 -loweralkyl;

R.sub.7 is thiazolyl or oxazolyl wherein the thiazolyl or oxazolyl ring is unsubstituted or substituted with C.sub.1 -to-C.sub.6 -loweralkyl;

X is --OH and Y is --OH; and

Z is absent, --O--, --S--, --CH.sub.2 -- or --N(R.sub.8)-- wherein R.sub.8 is C.sub.1 -to-C.sub.6 -loweralkyl, C.sub.3 -to-C.sub.7 -cycloalkyl, --OH or --NHR.sub.8a wherein R.sub.8a is hydrogen, C.sub.1 -to-C.sub.6 -loweralkyl or an N-protecting group selected from the group consisting of formyl, acetyl, propionyl, pivaloyl, t-butylacetyl, 2-chloroacetyl, 2-bromoacetyl, trifluoroacetyl, trichloroacetyl, phthalyl, o-nitrophenoxyacetyl, .alpha.-chlorobutyryl, benzoyl, 4-chlorobenzoyl, 4-bromobenzoyl, 4-nitrobenzoyl, benzenesulfonyl, p-toluenesulfonyl, benzyloxycarbonyl, p-chloroenzyloxycarbonyl, p-methoxybenzyloxycarbonyl, p-nitrobenzyloxycarbonyl, 2-nitrobenzyloxycarbonyl, p-bromobenzyloxycarbonyl, 3,4-dimethoxybenzyloxycarborlyl, 3,5-dimethoxybenzyloxycarbonyl, 2,4-dimethoxybenzyloxycarbonyl, 4-methoxybenzyloxycarbonyl, 2-nitro-4,5-dimethoxybenzyloxycarbonyl, 3,4,5-trimethoxybenzyloxycarbonyl, 1-(p-biphenylyl)-1-methylethoxycarbonyl, .alpha.,.alpha.-dimethyl-3,5-dime thoxybenzyloxycarbonyl, benzhydryloxycarbonyl, t-butyloxycarbonyl, diisopropylmethoxycarbonyl, isopropyloxycarbonyl, ethoxycarbonyl, methoxycarbonyl, allyloxycarbonyl, 2,2,2,-trichloroethoxycarbonyl, phenoxycarbonyl, 4-nitrophenoxycarbonyl, fluorenyl-9-methoxycarbonyl, cyclopentyloxycarbonyl, adamantyloxycarbonyl, cyclohexyloxycarbonyl, phenylthlocarbonyl, benzyl, triphenylmethyl, benzyloxymethyl and trimethylsilyl;

or a pharmaceutically acceptable salt thereof.

2. A compound according to claim 1 wherein R.sub.1 is monosubstituted thiazolyl or monosubstituted oxazolyl; n is 1; R.sub.2 is hydrogen; R.sub.4 is phenyl; R.sub.4a is phenyl; R.sub.6 is hydrogen and R.sub.7 is thiazolyl or oxazolyl.

3. A compound according to claim 1 wherein R.sub.1 is 2-monosubstituted-4-thiazolyl or 2-monosubstituted-4-oxazolyl; n is 1; R.sub.2 is hydrogen; R.sub.4 is phenyl; R.sub.4a is phenyl; R.sub.6 is hydrogen and R.sub.7 is 5-thiazolyl or 5-oxazolyl.

4. A compound according to claim 1 wherein R.sub.1 is 2-monosubstituted-4-thiazolyl or 2-monosubstituted-4-oxazolyl wherein the substituent is loweralkyl; n is 1; R.sub.2 is hydrogen; R.sub.4 is phenyl; R.sub.4a is phenyl; R.sub.6 is hydrogen; R.sub.7 is 5-thiazolyl or 5-oxazolyl; and Z is --O-- or --N(R.sub.8)-- wherein R.sub.8 is C.sub.1 -to-C.sub.6 -loweralkyl.

5. A compound according to claim 1 wherein the configuration of the carbon atom bearing --CH.sub.2 R.sub.4 is "S" and the configuration of the carbon atom bearing --CH.sub.2 (R.sub.4a) is "S".

6. A compound selected from the group consisting of:

(2S,3R,4R,5S)-5-(N-(N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)c arbonyl)valinyl)amino)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydr oxy-1,6-diphenylhexane;

(2S,3S,4S,5S)-5-(N-(N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)c arbonyl)valinyl)amino)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydr oxy-1,6-diphenylhexane;

(2S,3R,4S,5S)-5-(N-(N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)c arbonyl)valinyl)amino)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydr oxy-1,6-diphenylhexane;

(2S,3R,4S,5S)-2-(N-(N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)c arbonyl)valinyl)amino)-5-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydr oxy-1,6-diphenylhexane;

(2S,3S,5S)-2-(N-(N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)carb onyl)valinyl)amino)-5-(N-((2-methyl-5-thiazolyl)methoxycarbonyl)amino)-1,6- diphenyl-3-hydroxyhexane;

(2S,3R,4S,5S)-5-(N-(N-((N-Methyl-N-(2-isopropyl-4-thiazolyl)methyl)amino)ca rbonyl)alaninyl)amino)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydr oxy-1,6-diphenylhexane;

(2S,3R,4S,5S)-5-(N-(N-((2-Isopropyl-4-thiazolyl)methoxycarbonyl)valinyl)ami no)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydroxy-1,6-diphenylhex ane;

(2S,3R,4S,5S)-5-(N,(N-((2-Isopropyl-4-thiazolyl)methoxycarbonyl)alaninyl)am ino)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydroxy-1,6-diphenylhe xane;

(2S,3R,4S,5S)-5-(N-(N-((N-Methyl-N-((2-isopropyl-4-oxazolyl)methyl)amino)ca rbonyl)valinyl)amino)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydro xy-1,6-diphenylhexane;

(2S,3R,4S,5S)-5-(N,(N-((N-Methyl-N-((2-isopropyl-4-oxazolyl)methyl)amino)ca rbonyl)valinyl)amino)-2-(N-((5-oxazolyl)methoxycarbonyl)amino)-3,4-dihydrox y-1,6-diphenylhexane;

(2S,3R,4S,5S)-5-(N-(N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)c arbonyl)valinyl)amino)-2-N-((5-oxazolyl)methoxycarbonyl)amino)-3,4-dihydrox y-1,6-diphenylhexane;

(2S,3R,4S,5S)-2,(N-(N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)c arbonyl)alaninyl)amino)-2-N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydr oxy-1,6-diphenylhexane;

(2S,3R,4S,5S)-2-(N-(N-((2-Isopropyl-4-thiazolyl)methoxycarbonyl)valinyl)ami no)-5-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydroxy-1,6-diphenylhex ane;

(2S,3R,4S,5S),2-(N-(N-((2-Isopropyl-4-thiazolyl)methoxycarbonyl)alaninyl)am ino)-5-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydroxy-1,6-diphenylhe xane;

(2S,3R,4S,5S)-2-(N-(N-((N-Methyl-N-((2-isopropyl-4-oxazolyl)methyl)amino)ca rbonyl)valinyl)amino)-5-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydro xy-1,6-diphenylhexane;

(2S,3R,4S,5S)-2-(N-(N-((N-Methyl-N-((2-isopropyl-4-oxazolyl)methyl)amino)ca rbonyl)valinyl)amino)-5-(N-((5-oxazolyl)methoxycarbonyl)amino)-3,4-dihydrox y-1,6-diphenylhexane;

(2S,3R,4S,5S)-2-(N-(N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)c arbonyl)valinyl)amino)-5-(N-((5-oxazolyl)methoxycarbonyl)amino)-3,4-dihydro xy-1,6-diphenylhexane;

(2S,3R,4R,5S)-5-(N-(N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)c arbonyl)alaninyl)amino)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihyd roxy-1,6-diphenylhexane;

(2S,3R,4R,5S)-5-(N-(N-((2-Isopropyl-4-thiazolyl)methoxycarbonyl)valinyl)ami no)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydroxy-1,6-diphenylhex ane;

(2S,3R,4R,5S)-5-(N-(N-((2-Isopropyl-4-thiazolyl)methoxycarbonyl)alaninyl)am ino)-2-(N,((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydroxy-1,6-diphenylhe xane;

(2S,3R,4R,5S)-5-(N-(N-((N-Methyl-N-((2-isopropyl-4-oxazolyl)methyl)amino)ca rbonyl)valinyl)amino)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydro xy-1,6-diphenylhexane;

(2S,3R,4R,5S),5-(N-(N-((N-Methyl-N-((2-isopropyl-4-oxazolyl)methyl)amino)ca rbonyl)valinyl)amino)-2-(N-((5-oxazolyl)methoxycarbonyl)amino)-3,4-dihydrox y-1,6-diphenylhexane;

(2S,3R,4R,5S)-5-(N-(N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)c arbonyl)valinyl)amino)-2-(N-((5-oxazolyl)methoxycarbonyl)amino)-3,4-dihydro xy-1,6-diphenylhexane;

(2S,3S,4S,5S)-5-N-(N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)ca rbonyl)alaninyl)amino)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydr oxy-1,6-diphenylhexane;

(2S,3S,4S,5S)-5-(N-(N-((2-Isopropyl-4-thiazolyl)methoxycarbonyl)valinyl)ami no)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydroxy-1,6-diphenylhex ane;

(2S,3S,4S,5S)-5-(N-(N-((2-Isopropyl-4-thiazolyl)methoxycarbonyl)alaninyl)am ino)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydroxy-1,6-diphenylhe xane;

(2S,3S,4S,5S)-5-(N-(N-((N-Methyl-N-((2-isopropyl-4-oxazolyl)methyl)amino)ca rbonyl)valinyl)amino)-2-(N-((5-thiazolyl)methoxycarbonyl)amino)-3,4-dihydro xy-1,6-diphenylhexane;

(2S,3S,4S,5S)-5-(N,(N-(-N-Methyl-N-((2-isopropyl-4-oxazolyl)methyl)amino)ca rbonyl)valinyl)amino)-2-(N-((5-oxazolyl)methoxycarbonyl)amino)-3,4-dihydrox y-1,6-diphenylhexane;

(2S,3S,4S,5S)-5-(N-(N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)c arbonyl)valinyl)amino)-2-(N-((5-oxazolyl)methoxycarbonyl)amino)-3,4-dihydro xy-1,6-diphenylhexane; or a pharmaceutically acceptable salt thereof.
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