← Back to Patent Explorer
US5243045A Expired / Lapsed US ⏱️ 0.0 years remaining

Certain alkoxy substituted taxanes and pharmaceutical compositions containing them

Assignee: Florida State University
•
Filing: 1992-04-03
•
Granted: 1993-09-07
•
Expires: 2012-04-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A taxane derivative of the formula ##STR1## wherein R 1 is phenyl or substituted phenyl, R 3 is CH 3 O--, or CH 3 CH 2 O--, 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
  • 👤 Ronald J. Beidiger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 13:37
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; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55

Claims Analysis

Total Claims: 21
Claim 1
Independent Claim 55 words
A taxane derivative of the formula ##STR15## wherein R 1 is phenyl, R 3 is CH 3 O-- or CH 3 CH 2 O--, Z is --OCOT 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 55 words
A taxane derivative of the formula ##STR15## wherein R 1 is phenyl, R 3 is CH 3 O-- or CH 3 CH 2 O--, Z is --OCOT 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 18 words
The taxane derivative of claim 1 wherein R 1 is phenyl and R 3 is CH 3 O--.
Claim 4
Dependent Claim 29 words
The taxane derivative of claim 1 wherein, R 3 is CH 3 CH 2 O--, Z is --OCOCH 3 , and the taxane derivative has the 2'R, 3'S configuration.
Claim 5
Dependent Claim 15 words
The taxane derivative of claim 1 wherein R 3 is CH 3 CH 2 O--.
Claim 6
Dependent Claim 12 words
The taxane derivative of claim 2 wherein Z is --OCOCH 3 .
Claim 7
Dependent Claim 29 words
The taxane derivative of claim 1 wherein R 3 is CH 3 CH 2 O--, Z is --OCOCH 3 , and the taxane derivative has the 2'R, 3'S configuration.
Claim 8
Dependent Claim 24 words
A pharmaceutical composition which contains the taxane derivative of claim 1 and one or more pharmacologically acceptable, inert or physiologically active diluents or adjuvants.
Claim 9
Dependent Claim 12 words
The composition of claim 7 wherein R 3 is CH 3 O--.
Claim 10
Dependent Claim 11 words
The composition of claim 7 wherein Z is --OCOCH 3 .
Claim 11
Dependent Claim 26 words
The composition of claim 7 wherein R 3 is CH 3 O--, Z is --OCOCH 3 , and the taxane derivative has the 2'R, 3'S configuration.
Claim 12
Dependent Claim 14 words
The composition of claim 7 wherein R 3 is CH 3 CH 2 O--.
Claim 13
Dependent Claim 28 words
The composition of claim 7 wherein R 3 is CH 3 CH 2 O--, Z is --OCOCH 3 , and the taxane derivative has the 2'R, 3'S configuration.
Claim 14
Dependent Claim 270 words
A taxane derivative of the formula ##STR16## wherein R 1 is phenyl, R 3 is CH 3 O--, or CH 3 CH 2 O--, 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 functional groups which increase the water solubility of the taxane derivative, the functional groups having the formula --COGCOR.sup.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 ##STR17## 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, CaOH, or KOH.
Claim 15
Dependent Claim 270 words
A taxane derivative of the formula ##STR16## wherein R 1 is phenyl, R 3 is CH 3 O--, or CH 3 CH 2 O--, 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 functional groups which increase the water solubility of the taxane derivative, the functional groups having the formula --COGCOR.sup.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 ##STR17## 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, CaOH, or KOH.
Claim 16
Dependent Claim 13 words
The taxane derivative of claim 13 wherein R 3 is CH 3 O--.
Claim 17
Dependent Claim 19 words
The taxane derivative of claim 13 wherein R 3 is CH 3 O-- and Z is --OCOCH 3 .
Claim 18
Dependent Claim 15 words
The taxane derivative of claim 13 wherein R 3 is CH 3 CH 2 O--.
Claim 19
Dependent Claim 21 words
The taxane derivative of claim 13 wherein R 3 is CH 3 CH 2 O-- and Z is --OCOCH 3 .
Claim 20
Dependent Claim 60 words
A taxane derivative of the formula ##STR18## wherein R 1 is phenyl, R 3 is CH 3 O--, 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 60 words
A taxane derivative of the formula ##STR18## wherein R 1 is phenyl, R 3 is CH 3 O--, 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.

References Cited (Backward Citations)

EP0253739A1 Cited
US4814470A Cited
US4857653A Cited
EP0253738B1 Cited
US4942184A Cited
EP0336841A1 Cited
EP0336840A1 Cited
US4924012A Cited
US4924011A Cited
US5015744A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1996-09-06 1997-03-08 1997-09-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-09-06 2001-03-08 2001-09-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-09-06 2005-03-08 2005-09-07 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag