US4347361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4,5α-Epoxy-3-hydroxy or methoxy-7-(1-hydroxy-alkyl or 1-oxoalkyl)morphinan-6-one compounds
Assignee: Sisa Inc
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Filing: 1980-12-10
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Granted: 1982-08-31
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Expires: 2000-12-10
Abstract
Abstract Disclosed are 4,5α-epoxy-3-hydroxy or methoxy-7-(1-hydroxyalkyl or 1-oxoalkyl)morphinan-6-one compounds characterized by the structural formulae: ##STR1## In the foregoing formulae R is methyl, cyclopropylmethyl, cyclobutylmethyl, propargyl, allyl, dimethylallyl, cis-chloroallyl or furfuryl; R 1 is H or methyl; R 2 is straight or branched chain alkyl of from 1 to 10 carbon atoms, aryl, substituted aryl or arylalkyl, in which the alkyl group contains from 1 to 6 carbon atoms, and R 3 is a straight chain alkyl of 1 to 4 carbon atoms.
Inventors
- 👤 James E. Quick
- 👤 Raj K. Razdan
- 👤 Haldean C. Dalzell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:28
CPC Classifications
C; C07; C07D; C07D489/00; C07D489/02; A; A61; A61P; A61P25/00; A61P25/04
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
74 words
4,5α-epoxy-3-hydroxy or methoxy-7-(1-hydroxyalkyl or 1-oxoalkyl)morphinan-6-one compounds characterized by the structural formulae: ##STR13## wherein R is methyl, cyclopropylmethyl, cyclobutylmethyl, propargyl, allyl, dimethylallyl, cis-chloroallyl or furfuryl; R 1 is H or methyl; R 2 is straight or branched chain alkyl of from 1 to 10 carbon atoms, phenyl or phenylalkyl in which the alkyl chain contains from 1 to 6 carbon atoms, and R 3 is a straight chain alkyl of 1 to 4 carbon atoms.
Claim 2
Dependent Claim
74 words
4,5α-epoxy-3-hydroxy or methoxy-7-(1-hydroxyalkyl or 1-oxoalkyl)morphinan-6-one compounds characterized by the structural formulae: ##STR13## wherein R is methyl, cyclopropylmethyl, cyclobutylmethyl, propargyl, allyl, dimethylallyl, cis-chloroallyl or furfuryl; R 1 is H or methyl; R 2 is straight or branched chain alkyl of from 1 to 10 carbon atoms, phenyl or phenylalkyl in which the alkyl chain contains from 1 to 6 carbon atoms, and R 3 is a straight chain alkyl of 1 to 4 carbon atoms.
Claim 3
Dependent Claim
23 words
The compounds of claim 1 which are characterized by the formula: ##STR14## wherein R, R 1 and R 2 are as previously defined.
Claim 4
Dependent Claim
22 words
A compound as defined by claim 2 wherein R is cyclopropylmethyl, R 1 is H and R 2 is CH 3 .
Claim 5
Dependent Claim
25 words
A compound as defined by claim 2 wherein R is cyclopropylmethyl, R 1 is CH 3 and R 2 is C 3 H 7 .
Claim 6
Dependent Claim
24 words
A compound as defined by claim 2 wherein R is cyclopropylmethyl, R 1 is H and R 2 is C 3 H 7 .
Claim 7
Dependent Claim
25 words
A compound as defined by claim 2 wherein R is cyclopropylmethyl, R 1 is CH 3 and R 2 is i-C 3 H 7 .
Claim 8
Dependent Claim
24 words
A compound as defined by claim 2 wherein R is cyclopropylmethyl, R 1 is H and R 2 is C 6 H 5 .
Claim 9
Dependent Claim
25 words
A compound as defined by claim 2 wherein R is cyclopropylmethyl, R 1 is CH 3 and R 2 is C 6 H 5 .
Claim 10
Dependent Claim
24 words
A compound as defined by claim 2 wherein R is cyclopropylmethyl, R 1 is H and R 2 is C 2 H 5 .
Claim 11
Dependent Claim
24 words
A compound as defined by claim 2 wherein R is cyclopropylmethyl, R 1 is H and R 2 is C 4 H 9 .
Claim 12
Dependent Claim
24 words
A compound as defined by claim 2 wherein R is cyclopropylmethyl, R 1 is H and R 2 is C 5 H 11 .
Claim 13
Dependent Claim
24 words
A compound as defined in claim 2 wherein R is cyclopropylmethyl, R 1 is H and R 2 is C 6 H 13 .
Claim 14
Dependent Claim
24 words
A compound as defined in claim 2 wherein R is cyclopropylmethyl, R 1 is H and R 2 is i-C 3 H 7 .
Claim 15
Dependent Claim
26 words
A compound as defined in claim 2 wherein R is CH 3 , R 1 is H and R 2 is C 5 H 11 .
Claim 16
Dependent Claim
31 words
A compound as defined in claim 2 wherein R is CH 3 , R 1 is CH 3 and R 2 is (CH 2 ) 2 --C 6 H 5 .
Claim 17
Dependent Claim
30 words
A compound as defined in claim 2 wherein R is CH 3 , R 1 is H and R 2 is (CH 2 ) 2 --C 6 H 5 .
Claim 18
Dependent Claim
31 words
A compound as defined in claim 2 wherein R is CH 3 , R 1 is CH 3 and R 2 is (CH 2 ) 3 --C 6 H 5 .
Claim 19
Dependent Claim
30 words
A compound as defined in claim 2 wherein R is CH 3 , R 1 is H and R 2 is (CH 2 ) 3 --C 6 H 5 .
Claim 20
Dependent Claim
26 words
The compounds of claim 1 which are characterized by the formula: ##STR15## wherein R, R 1 , R 2 and R 3 are as previously defined.
Claim 21
Dependent Claim
29 words
A compound as defined by claim 19 wherein R is cyclopropylmethyl, R 1 is H, R 2 is C 3 H 7 and R 3 is CH 3 .
Claim 22
Dependent Claim
29 words
A compound as defined by claim 19 wherein R is cyclopropylmethyl, R 1 is H, R 2 is C 5 H 11 and R 3 is CH 3 .
Claim 23
Dependent Claim
29 words
A compound as defined by claim 19 wherein R is cyclopropylmethyl, R 1 is H, R 2 is i-C 3 H 7 and R 3 is CH 3 .
Claim 24
Dependent Claim
32 words
A compound as defined by claim 19 wherein R 1 is cyclopropylmethyl, R 1 is CH 3 , R 2 is C 3 H 7 and R 3 is CH 3 .
References Cited (Backward Citations)
US3433791A
Cited
US3488354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-08-30 | 1986-03-01 | 1986-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-08-30 | 1990-03-01 | 1990-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-08-30 | 1994-03-01 | 1994-08-31 | $7700.00 | Window Closed / Lapsed |