Patent US5250683A successfully refreshed from Google Patents.
US5250683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain substituted taxanes and pharmaceutical compositions containing them
Assignee: Florida State University
•
Filing: 1992-04-03
•
Granted: 1993-10-05
•
Expires: 2012-04-03
Abstract
Abstract A taxane derivative of the formula ##STR1## wherein R 1 and R 3 are independently selected from the group comprising phenyl, naphthalene, C 6 H 5 CHCH--, and ##STR2## provided, however, R 1 and R 3 are not both phenyl; Q is CH 3 --, (CH 3 ) 3 C--, CH 3 O--, Cl, Br, F, NO 2 , ##STR3## Z is --OT 1 , T 1 is hydrogen, hydroxyl protecting group, or --COT 2 , T 2 is H, C 1 -C 6 alkyl, C 1 -C 6 alkenyl, C 1 -C 6 alkynyl or monocylic aryl, Ac is acetyl, and E 1 and E 2 are independently selected from hydrogen and functional groups which increase the water solubility of the taxane derivative are useful as antitumor agents.
Inventors
- 👤 Robert A. Holton
- 👤 Hossain Nadizadeh
- 👤 Seokchan Kim
- 👤 Ronald J. Beidiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:30
CPC Classifications
C; C07; C07D; C07D407/00; C07D407/02; C07D407/12; A; A61; A61P; A61P35/00; A61P35/02; C07D305/00; C07D305/14; C07D409/00; C07D409/02; C07D409/12; C07F; C07F7/00; C07F7/003; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
99 words
A taxane derivative of the formula ##STR51## wherein R 1 and R 3 are independently selected from the group comprising phenyl, naphthyl, C 6 H 5 CHCH--, and ##STR52## provided, however, R 1 and R 3 are not both phenyl; Q is CH 3 --, (CH 3 ) 3 C--, Cl, Br, F, or NO 2 , Z is --OT 1 , T 1 is hydrogen, hydroxyl protecting group, or --COT 2 , T 2 is H, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl or monocylic aryl, and Ac is acetyl.
Claim 2
Dependent Claim
99 words
A taxane derivative of the formula ##STR51## wherein R 1 and R 3 are independently selected from the group comprising phenyl, naphthyl, C 6 H 5 CHCH--, and ##STR52## provided, however, R 1 and R 3 are not both phenyl; Q is CH 3 --, (CH 3 ) 3 C--, Cl, Br, F, or NO 2 , Z is --OT 1 , T 1 is hydrogen, hydroxyl protecting group, or --COT 2 , T 2 is H, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl or monocylic aryl, and Ac is acetyl.
Claim 3
Dependent Claim
19 words
The taxane derivative of claim 1 wherein R 1 is ##STR53## and Q is as defined in claim 1.
Claim 4
Dependent Claim
21 words
The taxane derivative of claim 2 wherein R 3 is phenyl or ##STR54## and Q is as defined in claim 1.
Claim 5
Dependent Claim
19 words
The taxane derivative of claim 1 wherein R 3 is ##STR55## and Q is as defined in claim 1.
Claim 6
Dependent Claim
21 words
The taxane derivative of claim 4 wherein R 1 is phenyl or ##STR56## and Q is as defined in claim 1.
Claim 7
Dependent Claim
14 words
The taxane derivative of claim 1 wherein Z is --OH or --OCOCH 3 .
Claim 8
Dependent Claim
22 words
The taxane derivative of claim 1 wherein R 1 or R 3 is phenyl and Z is --OH or --OCOCH 3 .
Claim 9
Dependent Claim
17 words
The taxane derivative of claim 4 wherein R 1 is phenyl and Z is --OCOCH 3 .
Claim 10
Dependent Claim
17 words
The taxane derivative of claim 3 wherein R 3 is phenyl and Z is --OCOCH 3 .
Claim 11
Dependent Claim
27 words
The taxane derivative of claim 1 wherein R 1 or R 3 is phenyl, Z is --OCOCH 3 , and the taxane has the 2'R, 3'S configuration.
Claim 12
Dependent Claim
23 words
A pharmaceutical composition which contains the taxane of claim 1 and one or more pharmacologically acceptable, inert or physiologically active diluents or adjuvants.
Claim 13
Dependent Claim
21 words
The composition of claim 11 wherein R 1 or R 3 is phenyl and Z is --OH or --OCOCH 3 .
Claim 14
Dependent Claim
26 words
The composition of claim 11 wherein R 1 or R 3 is phenyl, Z is --OCOCH 3 , and the taxane has the 2'R, 3'S configuration.
Claim 15
Dependent Claim
310 words
A taxane derivative having the formula: ##STR57## wherein R 1 and R 3 are independently selected from the group consisting of phenyl, naphthyl, C 6 H 5 CHCH--, ##STR58## provided, however, R 1 and R 3 are not both phenyl; Q is CH 3 --, (CH 3 ) 3 C--, CH 3 O--, Cl, Br, F, or NO 2 --, Z is --OT 1 , T 1 is hydrogen, hydroxyl protecting group, or --COT 2 , T 2 is H, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl or monocylic aryl, Ac is acetyl, and E 1 and E 2 are independently selected from hydrogen and functional groups which increase the water solubility of the taxane derivative, the functional groups having the formula --COGCOR 1 wherein G is ethylene, propylene, --CH═CH--, 1,2-cyclohexane, or 1,2-phenylene, R 1 =OH base, NR 2 R 3 , OR 3 , SR 3 , OCH 2 CONR 4 R 5 , or OH, R 2 =hydrogen or methyl, R 3 =(CH 2 ) n NR 6 R 7 or (CH 2 ) n N.sup.⊕ R 6 R 7 R 8 X.sup.⊖, n=1 to 3, R 4 =hydrogen, lower alkyl containing 1 to 4 carbons, or R 5 =hydrogen, lower alkyl containing 1 to 4 carbons, benzyl, hydroxyethyl, CH 2 CO 2 H, dimethylaminoethyl, or R 6 R 7 =lower alkyl containing 1 or 2 carbons, benzyl or R 6 and R 7 together with the nitrogen atom of NR 6 R 7 form the following rings ##STR59## R 8 =lower alkyl containing 1 or 2 carbons or benzyl, X.sup.⊖ =halide, and base=NH 3 , (HOC 2 H 4 ) 3 N, N(CH 3 ) 3 , CH 3 N(C 2 H 4 OH) 2 , NH 2 (CH 2 ) 6 NH 2 , N-methylglucamine, NaOH, or KOH.
Claim 16
Dependent Claim
310 words
A taxane derivative having the formula: ##STR57## wherein R 1 and R 3 are independently selected from the group consisting of phenyl, naphthyl, C 6 H 5 CHCH--, ##STR58## provided, however, R 1 and R 3 are not both phenyl; Q is CH 3 --, (CH 3 ) 3 C--, CH 3 O--, Cl, Br, F, or NO 2 --, Z is --OT 1 , T 1 is hydrogen, hydroxyl protecting group, or --COT 2 , T 2 is H, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl or monocylic aryl, Ac is acetyl, and E 1 and E 2 are independently selected from hydrogen and functional groups which increase the water solubility of the taxane derivative, the functional groups having the formula --COGCOR 1 wherein G is ethylene, propylene, --CH═CH--, 1,2-cyclohexane, or 1,2-phenylene, R 1 =OH base, NR 2 R 3 , OR 3 , SR 3 , OCH 2 CONR 4 R 5 , or OH, R 2 =hydrogen or methyl, R 3 =(CH 2 ) n NR 6 R 7 or (CH 2 ) n N.sup.⊕ R 6 R 7 R 8 X.sup.⊖, n=1 to 3, R 4 =hydrogen, lower alkyl containing 1 to 4 carbons, or R 5 =hydrogen, lower alkyl containing 1 to 4 carbons, benzyl, hydroxyethyl, CH 2 CO 2 H, dimethylaminoethyl, or R 6 R 7 =lower alkyl containing 1 or 2 carbons, benzyl or R 6 and R 7 together with the nitrogen atom of NR 6 R 7 form the following rings ##STR59## R 8 =lower alkyl containing 1 or 2 carbons or benzyl, X.sup.⊖ =halide, and base=NH 3 , (HOC 2 H 4 ) 3 N, N(CH 3 ) 3 , CH 3 N(C 2 H 4 OH) 2 , NH 2 (CH 2 ) 6 NH 2 , N-methylglucamine, NaOH, or KOH.
Claim 17
Dependent Claim
19 words
The taxane derivative of claim 14 wherein R 1 is ##STR60## and Q is as defined in claim 25.
Claim 18
Dependent Claim
19 words
The taxane derivative of claim 14 wherein R 3 is ##STR61## and Q is as defined in claim 25.
Claim 19
Dependent Claim
14 words
The taxane derivative of claim 14 wherein Z is --OH or --OCOCH 3 .
Claim 20
Dependent Claim
103 words
A taxane derivative of the formula ##STR62## wherein R 1 is selected from the group comprising phenyl, naphthyl, C 6 H 5 CHCH--, and ##STR63## R 3 is selected from the group comprising naphthyl, C 6 H 5 CHCH--, and ##STR64## Q is CH 3 --, (CH 3 ) 3 C--, CH 3 --, Cl, Br, F, or NO 2 , Z is --OT 1 , T 1 is hydrogen, hydroxyl protecting group, or --COT 2 , T 2 is H, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl or monocylic aryl, and Ac is acetyl.
Claim 21
Dependent Claim
103 words
A taxane derivative of the formula ##STR62## wherein R 1 is selected from the group comprising phenyl, naphthyl, C 6 H 5 CHCH--, and ##STR63## R 3 is selected from the group comprising naphthyl, C 6 H 5 CHCH--, and ##STR64## Q is CH 3 --, (CH 3 ) 3 C--, CH 3 --, Cl, Br, F, or NO 2 , Z is --OT 1 , T 1 is hydrogen, hydroxyl protecting group, or --COT 2 , T 2 is H, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl or monocylic aryl, and Ac is acetyl.
Claim 22
Dependent Claim
115 words
A taxane derivative of the formula ##STR65## wherein R 1 is selected from the group comprising phenyl, naphthyl, C 6 H 5 CHCH--, and ##STR66## R 3 is selected from the group comprising phenyl, naphthyl, C 6 H 5 CHCH--, and ##STR67## provided, however, R 1 and R 3 are not both phenyl, Q is CH 3 --, (CH 3 ) 3 C--, CH 3 O--, Cl, Br, F, or NO 2 , Z is --OT 1 , T 1 is hydrogen, hydroxyl protecting group, or --COT 2 , T 2 is H, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl or monocyclic aryl, and Ac is acetyl.
Claim 23
Dependent Claim
115 words
A taxane derivative of the formula ##STR65## wherein R 1 is selected from the group comprising phenyl, naphthyl, C 6 H 5 CHCH--, and ##STR66## R 3 is selected from the group comprising phenyl, naphthyl, C 6 H 5 CHCH--, and ##STR67## provided, however, R 1 and R 3 are not both phenyl, Q is CH 3 --, (CH 3 ) 3 C--, CH 3 O--, Cl, Br, F, or NO 2 , Z is --OT 1 , T 1 is hydrogen, hydroxyl protecting group, or --COT 2 , T 2 is H, C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl or monocyclic aryl, and Ac is acetyl.
Claim 24
Dependent Claim
92 words
A taxane derivative of the formula ##STR68## wherein R 1 is selected from the group comprising phenyl, naphthyl, C 6 H 5 CHCH--, and ##STR69## R 3 is selected from the group comprising phenyl, naphthyl, C 6 H 5 CHCH--, and ##STR70## Q is CH 3 --, (CH 3 ) 3 C--, CH 3 O--, Cl, Br, F, or NO 2 , Z is --OCOT 2 , T 2 is C 2 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl or monocyclic aryl, and Ac is acetyl.
Claim 25
Dependent Claim
92 words
A taxane derivative of the formula ##STR68## wherein R 1 is selected from the group comprising phenyl, naphthyl, C 6 H 5 CHCH--, and ##STR69## R 3 is selected from the group comprising phenyl, naphthyl, C 6 H 5 CHCH--, and ##STR70## Q is CH 3 --, (CH 3 ) 3 C--, CH 3 O--, Cl, Br, F, or NO 2 , Z is --OCOT 2 , T 2 is C 2 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl or monocyclic aryl, and Ac is acetyl.
References Cited (Backward Citations)
EP0253738B1
Cited
US4814470A
Cited
US4857653A
Cited
EP0253739A1
Cited
US4942184A
Cited
US4924012A
Cited
EP0336840A1
Cited
US4924011A
Cited
EP0336841A1
Cited
WO1990010443A1
Cited
US5015744A
Cited
US5059699A
Cited
WO1992009589A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-10-04 | 1997-04-05 | 1997-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-10-04 | 2001-04-05 | 2001-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-10-04 | 2005-04-05 | 2005-10-05 | $7700.00 | Window Closed / Lapsed |