US4307072A
Expired / Lapsed
US
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N-Triiodobenzoylaminoacyl polyhydroxic amines
Assignee: Mallinckrodt Inc
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Filing: 1977-07-19
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Granted: 1981-12-22
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Expires: 1997-07-19
Abstract
Abstract Nonionic triiodobenzoyl amino acyl derivatives of polyhydroxy amines. Such amines are useful as nonionic X-ray contrast agents. For Example 2-(3-acetamido-2,4,6-triiodo-5-N-methylacetamidobenzoyl glycylamino)-2-deoxy-D-glucitol is especially useful in angiography.
Inventors
- 👤 Kenneth R. Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:29
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/12
Claims Analysis
Total Claims: 38
Claim 1
Independent Claim
71 words
A compound of the formula ##STR36## wherein X and Y are each nonionic functions compatible with low toxicity and/or water solubility in the 2,4,6-triiodo configuration, A is an amino substituted lower alkanoic acid coupler and ##STR37## is a monovalent residue of a polyhydroxy amine, wherein N is a nitrogen atom, R is hydrogen, lower alkyl, hydroxy-lower alkyl or polyhydroxy lower alkyl, Z is polyhydroxy lower alkyl or oxo polyhydroxy lower alkyl.
Claim 2
Dependent Claim
71 words
A compound of the formula ##STR36## wherein X and Y are each nonionic functions compatible with low toxicity and/or water solubility in the 2,4,6-triiodo configuration, A is an amino substituted lower alkanoic acid coupler and ##STR37## is a monovalent residue of a polyhydroxy amine, wherein N is a nitrogen atom, R is hydrogen, lower alkyl, hydroxy-lower alkyl or polyhydroxy lower alkyl, Z is polyhydroxy lower alkyl or oxo polyhydroxy lower alkyl.
Claim 3
Dependent Claim
15 words
A compound as set forth in claim 1 wherein R is hydrogen or lower alkyl.
Claim 4
Dependent Claim
85 words
A compound as set forth in claim 1 wherein X and Y are each selected from the group consisting of lower alkoxy, hydroxy-(lower alkoxy), lower alkoxy-(lower alkoxy), lower acylamino, lower acylamino-(lower alkyl), lower acylamino-(lower acylamino), hydroxy-lower acylamino, N-(lower alkyl)-lower acylamino, lower alkyl-sulfonamido, N-(lower alkyl)-lower alkylsulfonamido, 3,3-bis(lower alkyl)-ureido, lower perfluoroacylamino, carbamyl, N-(lower alkyl) carbamyl, N-(hydroxy lower alkyl) carbamyl, N-(polyhydroxy lower alkyl) carbamyl, N,N-bis-(hydroxy lower alkyl) carbamyl, N,N-bis (polyhydroxy lower alkyl) carbamyl, N,N-di-(lower alkyl) carbamyl, lower alkoxy-(lower acylamino), lower alkoxy-alkoxy(lower acylamino), hydroxy and hydroxy lower alkyl functions.
Claim 5
Dependent Claim
105 words
A compound as set forth in claim 2 wherein one of X and Y is hydrogen lower alkoxy, hydroxy-(lower alkoxy), lower alkoxy-(lower alkoxy), lower acylamino, lower acylamino-(lower alkyl), lower acylamino-(lower acylamino), hydroxy-lower acylamino, N-(lower alkyl)-lower acylamino, lower alkylsulfonamido, N-(lower alkyl)-lower alkylsulfonamido, 3,3-bis(lower alkyl)-ureido, lower perfluoroacylamino, carbamyl, N-(lower alkyl) carbamyl, N-(hydroxy lower alkyl) carbamyl, N-(polyhydroxy lower alkyl) carbamyl, N,N-bis-(hydroxy lower alkyl) carbamyl, N,N-bis (polyhydroxy lower alkyl) carbamyl, N,N-di-(lower alkyl) carbamyl, lower alkoxy-(lower acylamino), lower alkoxy-alkoxy(lower acylamino), hydroxy or hydroxy lower alkyl and the other of X and Y is ##STR38## where A, N and Z are as defined above and R is hydrogen or lower alkyl.
Claim 6
Dependent Claim
33 words
A compound as set forth in claim 3 wherein X and Y are each selected from the group consisting of lower acylamino, N-(lower alkyl)-lower acylamino, carbamyl, N-(lower alkyl) carbamyl and N,N-di-(lower alkyl) carbamyl.
Claim 7
Dependent Claim
25 words
A compound as set forth in claim 1 wherein A is glycyl, R is hydrogen, Z is 2-(1,3,4,5,6-pentahydroxy-D-gluco-hexyl, X is acetamido and Y is N-methylacetamido.
Claim 8
Dependent Claim
23 words
A compound according to claim 1 wherein A is glycyl, R is hydrogen, Z is 2-(1,3,4,5,6-pentahydroxy-D-gluco-hexyl), X is acetamido and Y is methylcarbamyl.
Claim 9
Dependent Claim
34 words
A compound according to claim 1 wherein A is glycyl, R is methyl, Z is 2,3-dihydroxypropyl, X is acetamido, and Y is ##STR39## wherein A is glycyl, R is methyl, and Z is 2,3-dihydroxypropyl.
Claim 10
Dependent Claim
24 words
A compound according to claim 1 wherein A is glycyl, R is methyl, Z is 1-(2,3,4,5,6-pentahydroxy-D-gluco hexyl), X is acetamido, and Y is N-methylacetamido.
Claim 11
Dependent Claim
25 words
A radiological composition containing a compound of claim 1 in a sufficient amount to provide satisfactory x-ray visualization together with a pharmaceutically acceptable radiological vehicle.
Claim 12
Dependent Claim
72 words
In a method for X-ray visualization wherein a radiological composition containing an X-ray contrast agent in a pharmaceutically acceptable radiological carrier is injected in a sufficient amount to provide adequate visualization and thereafter X-ray visualization carried out, the improvement comprising using as the radiological composition a composition containing a compound of claim 1 in a sufficient amount to provide satisfactory X-ray visualization together with a pharmaceutically acceptable radiological vehicle suitable for injection.
Claim 13
Dependent Claim
38 words
A compound as set forth in claim 2 wherein said monovalent residue is a residue selected from the group consisting of aldosamines, N-(lower alkyl) aldosamines, ketosamines, N-(lower alkyl) ketosamines, N-(polyhydroxy-lower alkyl) amines, N-alkyl-N-(polyhydroxy-lower alkoxy alkyl) amines, and deoxy-aldosamines.
Claim 14
Dependent Claim
12 words
A compound as set forth in claim 12 wherein A is glycyl.
Claim 15
Dependent Claim
25 words
A radiological composition containing the compound of claim 6 in a sufficient amount to provide satisfactory X-ray visualization together with a pharmaceutically acceptable radiological vehicle.
Claim 16
Dependent Claim
25 words
A radiological composition containing the compound of claim 7 in a sufficient amount to provide satisfactory X-ray visualization together with a pharmaceutically acceptable radiological vehicle.
Claim 17
Dependent Claim
25 words
A radiological composition containing the compound of claim 8 in a sufficient amount to provide satisfactory X-ray visualization together with a pharmaceutically acceptable radiological vehicle.
Claim 18
Dependent Claim
25 words
A radiological composition containing the compound of claim 9 in a sufficient amount to provide satisfactory X-ray visualization together with a pharmaceutically acceptable radiological vehicle.
Claim 19
Dependent Claim
25 words
A radiological composition containing a compound of claim 12 in a sufficient amount to provide satisfactory X-ray visualization together with a pharmaceutically acceptable radiological vehicle.
Claim 20
Dependent Claim
72 words
In a method for X-ray visualization wherein a radiological composition containing an X-ray contrast agent in a pharmaceutically acceptable radiological carrier is injected in a sufficient amount to provide adequate visualization and thereafter X-ray visualization carried out, the improvement comprising utilizing as the radiological composition a composition containing a compound of claim 12 in a sufficient amount to provide satisfactory X-ray visualization together with a pharmaceutically acceptable radiological vehicle suitable for injection.
Claim 21
Dependent Claim
73 words
In a method for X-ray visualization wherein a radiological composition containing an X-ray contrast agent in a pharmaceutically acceptable radiological carrier is injected in a sufficient amount to provide adequate visualization and thereafter X-ray visualization is carried out, the improvement comprising utilizing as the radiological composition a composition containing the compound of claim 6 in a sufficient amount to provide satisfactory X-ray visualization together with a pharmaceutically acceptable radiological vehicle suitable for injection.
Claim 22
Dependent Claim
72 words
In a method for X-ray visualization wherein a radiological composition containing an X-ray contrast agent in a pharmaceutically acceptable radiological carrier is injected in a sufficient amount to provide adequate visualization and thereafter X-ray visualization carried out, the improvement comprising utilizing as the radiological composition a composition containing the compound of claim 7 in a sufficient amount to provide satisfactory X-ray visualization together with a pharmaceutically acceptable radiological vehicle suitable for injection.
Claim 23
Dependent Claim
72 words
In a method for X-ray visualization wherein a radiological composition containing an X-ray contrast agent in a pharmaceutically acceptable radiological carrier is injected in a sufficient amount to provide adequate visualization and thereafter X-ray visualization carried out, the improvement comprising utilizing as the radiological composition a composition containing the compound of claim 8 in a sufficient amount to provide satisfactory X-ray visualization together with a pharmaceutically acceptable radiological vehicle suitable for injection.
Claim 24
Dependent Claim
72 words
In a method for X-ray visualization wherein a radiological composition containing an X-ray contrast agent in a pharmaceutically acceptable radiological carrier is injected in a sufficient amount to provide adequate visualization and thereafter X-ray visualization carried out, the improvement comprising utilizing as the radiological composition a composition containing the compound of claim 9 in a sufficient amount to provide satisfactory X-ray visualization together with a pharmaceutically acceptable radiological vehicle suitable for injection.
Claim 25
Dependent Claim
88 words
A compound as set forth in claim 3 wherein one of X and Y is a lower acylamino, lower acylamino-(lower acylamino), hydroxy-lower acylamino, N-(lower alkyl)-lower acylamino, lower alkoxy-(lower acylamino) or lower alkoxy-alkoxy(lower acylamino) group and the other of X and Y is a lower acylamino, lower acylamino-(lower acylamino), hydroxy-lower acylamino, N-(lower alkyl)-lower acylamino, lower alkoxy-(lower acylamino), lower alkoxy-alkoxy(lower acylamino), carbamyl, N-(lower alkyl) carbamyl, N-(hydroxy lower alkyl) carbamyl, N-(polyhydroxy lower alkyl) carbamyl, N,N-bis-(hydroxy lower alkyl) carbamyl, N,N-bis-(hydroxy lower alkyl) carbamyl, N,N-bis-(polyhydroxy lower alkyl) carbamyl or N,N-di-(lower alkyl) carbamyl group.
Claim 26
Dependent Claim
164 words
A compound as set forth in claim 24 wherein ##STR40## is the monovalent rsidue of an aldosamine having the formula CHO--(CHOH) n --CHNH 2 --(CHOH) m --CH 2 OH where m is 0 to 4, n is 0 to 4 and the sum of m+n is 0 to 4; a N-lower alkyl aldosamine having the formula CHO--(CHOH) n --CHNHR--(CHOH) m --CH 2 OH where m is 0 to 4, n is 0 to 4, the sum of m+n is 0 to 4 and R is lower alkyl; a N-(polyhydroxy-lower alkyl) amine having the formula H--(CHOH) n --CHNH 2 --(CHOH) m --CH 2 OH where n is 0 to 5, m is 0 to 5 and the sum of n+m is 0 to 5; or a N-lower alkyl-N-(polyhydroxy lower alkyl) amine having the formula H--(CHOH) n --CHNHR--(CHOH) m --CH 2 OH where n is 0 to 2, m is 1 to 5, the sum of m+n is 1 to 5 and R is lower alkyl.
Claim 27
Dependent Claim
47 words
A compound as set forth in claim 25 wherein one of X and Y is lower acylamino, or N-(lower alkyl)-lower acylamino and the other of X and Y is lower acylamino, N-(lower alkyl)-lower acylamino, carbamyl, N-(lower alkyl) carbamyl, N,N di-(lower alkyl) carbamyl, or N(hydroxy lower alkyl) carbamyl.
Claim 28
Dependent Claim
12 words
A compound as set forth in claim 26 wherein A is glycyl.
Claim 29
Dependent Claim
25 words
A radiological composition containing the compound of claim 25 in a sufficient amount to provide satisfactory x-ray visualization together with a pharmaceutically acceptable radiological vehicle.
Claim 30
Dependent Claim
25 words
A radiological composition containing the compound of claim 26 in a sufficient amount to provide satisfactory x-ray visualization together with a pharmaceutically acceptable radiological vehicle.
Claim 31
Dependent Claim
72 words
In a method for x-ray visualization wherein a radiological composition containing an x-ray contrast agent in a pharmaceutically acceptable radiological carrier is injected in a sufficient amount to provide adequate visualization and thereafter x-ray visualization carried out, the improvement comprising utilizing as the radiological composition a composition containing the compound of claim 25 in a sufficient amount to provide satisfactory x-ray visualization together with a pharmaceutically acceptable radiological vehicle suitable for injection.
Claim 32
Dependent Claim
72 words
In a method for x-ray visualization wherein a radiological composition containing an x-ray contrast agent in a pharmaceutically acceptable radiological carrier is injected in a sufficient amount to provide adequate visualization and thereafter x-ray visualization carried out, the improvement comprising utilizing as the radiological composition a composition containing the compound of claim 26 in a sufficient amount to provide satisfactory x-ray visualization together with a pharmaceutically acceptable radiological vehicle suitable for injection.
Claim 33
Dependent Claim
33 words
A compound as set forth in claim 4 wherein one of X and Y is lower acylamino, lower acylamino-(lower acylamino), hydroxy-lower acylamino, N-(lower alkyl)-lower acylamino, lower alkoxy-(lower acylamino) or lower alkoxy-alkoxy (lower acylamino).
Claim 34
Dependent Claim
12 words
A compound as set forth in claim 32 wherein A is glycyl.
Claim 35
Dependent Claim
25 words
A radiological composition containing the compound of claim 4 in a sufficient amount to provide satisfactory x-ray visualization together with a pharmaceutically acceptable radiological vehicle.
Claim 36
Dependent Claim
25 words
A radiological composition containing the compound of claim 32 in a sufficient amount to provide satisfactory x-ray visualization together with a pharmaceutically acceptable radiological vehicle.
Claim 37
Dependent Claim
72 words
In a method for x-ray visualization wherein a radiological composition containing an x-ray contrast agent in a pharmaceutically acceptable radiological carrier is injected in a sufficient amount to provide adequate visualization and thereafter x-ray visualization carried out, the improvement comprising utilizing as the radiological composition a composition containing the compound of claim 4 in a sufficient amount to provide satisfactory x-ray visualization together with a pharmaceutically acceptable radiological vehicle suitable for injection.
Claim 38
Dependent Claim
72 words
In a method for x-ray visualization wherein a radiological composition containing an x-ray contrast agent in a pharmaceutically acceptable radiological carrier is injected in a sufficient amount to provide adequate visualization and thereafter x-ray visualization carried out, the improvement comprising utilizing as the radiological composition a composition containing the compound of claim 32 in a sufficient amount to provide satisfactory x-ray visualization together with a pharmaceutically acceptable biological vehicle suitable for injection.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-12-21 | 1985-06-22 | 1985-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-12-21 | 1989-06-22 | 1989-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-12-21 | 1993-06-22 | 1993-12-22 | $7700.00 | Window Closed / Lapsed |