Patent US4337249A successfully refreshed from Google Patents.
US4337249A
Expired / Lapsed
US
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Modulators of the complement system
Assignee: Wyeth Holdings LLC
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Filing: 1981-08-03
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Granted: 1982-06-29
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Expires: 2001-08-03
Abstract
Abstract N-(4-O-α-D-glucopyranosyl-β-D-glucopyranosyl)-3,4-dihydroxycinnamamide, nonakis (H-sulfate) (nonaester), nona-alkali metal or alkaline earth metal-salts, useful as modulators of the complement system, the intermediates thereof and the process of making such salts and intermediates.
Inventors
- 👤 Ransom B. Conrow
- 👤 Seymour Bernstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:38
CPC Classifications
C; C07; C07H; C07H11/00; C07H3/00; C07H3/04
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
26 words
A compound selected from those of the formula: ##STR4## wherein A is selected from the group consisting of alkali metal cations and alkaline earth metal cations.
Claim 2
Dependent Claim
26 words
A compound selected from those of the formula: ##STR4## wherein A is selected from the group consisting of alkali metal cations and alkaline earth metal cations.
Claim 3
Dependent Claim
12 words
The compound according to claim 1, N-(4-O-α-D-glucopyranosyl-β-D-glucopyranosyl)-3,4-dihydroxycinnamamide, nonakis (H-sulfate), (nonaester), nonasodium salt.
Claim 4
Dependent Claim
32 words
A compound selected from those of the formula: ##STR5## wherein B is selected from the group consisting of hydrogen and --SO 3 A where A is trialkyl (C 1 -C 3 ).
Claim 5
Dependent Claim
32 words
A compound selected from those of the formula: ##STR5## wherein B is selected from the group consisting of hydrogen and --SO 3 A where A is trialkyl (C 1 -C 3 ).
Claim 6
Dependent Claim
7 words
The compound according to claim 3, N-(4-O-α-D-glucopyranosyl-β-D-glucopyranosyl)-3,4-dihydroxycinnamamide.
Claim 7
Dependent Claim
12 words
The compound according to claim 3, N-(4-O-α-D-glucopyranosyl-β-D-glucopyranosyl)-3,4-dihydroxycinnamamide, nonakis (H-sulfate), (nonaester), nonatriethylamine salt.
Claim 8
Independent Claim
55 words
A method of modulating the complement system in a body fluid which comprises subjecting said body fluid to the action of an effective complement modulating amount of a pharmaceutically acceptable compound selected from those of the formula: ##STR6## wherein A is selected from the group consisting of alkali metal cations and alkaline earth metal cations.
Claim 9
Independent Claim
55 words
A method of modulating the complement system in a body fluid which comprises subjecting said body fluid to the action of an effective complement modulating amount of a pharmaceutically acceptable compound selected from those of the formula: ##STR6## wherein A is selected from the group consisting of alkali metal cations and alkaline earth metal cations.
Claim 10
Dependent Claim
13 words
The method according to claim 6, wherein the body fluid is blood serum.
Claim 11
Independent Claim
53 words
A method of modulating the complement system in a warm-blooded animal which comprises administering to said warm-blooded animal a therapeutically effective complement modulating amount of a pharmaceutically acceptable compound selected from those of the formula: ##STR7## wherein A is selected from the group consisting of alkali metal cations and alkaline earth metal cations.
Claim 12
Independent Claim
53 words
A method of modulating the complement system in a warm-blooded animal which comprises administering to said warm-blooded animal a therapeutically effective complement modulating amount of a pharmaceutically acceptable compound selected from those of the formula: ##STR7## wherein A is selected from the group consisting of alkali metal cations and alkaline earth metal cations.
Claim 13
Dependent Claim
18 words
The method according to claim 6 or 8, wherein the compound is N-(4-O-α-D-glucopyranosyl-β-D-glucopyranosyl)-3,4-dihydroxycinnamamide, nonakis (H-sulfate), (nonaester), nonasodium salt.
Claim 14
Dependent Claim
12 words
The method according to claim 8, wherein the compound is adminstered internally.
Claim 15
Dependent Claim
12 words
The method according to claim 8, wherein the compound is administered topically.
Claim 16
Dependent Claim
16 words
The method according to claim 8, wherein the compound is administered periodontally in the oral cavity.
Claim 17
Dependent Claim
12 words
The method according to claim 8, wherein the compound is administered intra-articularly.
Claim 18
Dependent Claim
12 words
The method according to claim 8, wherein the compound is administered parenterally.
Claim 19
Independent Claim
214 words
A method for producing compounds of the formula: ##STR8## wherein A is selected from the group consisting of alkali metal cations and alkaline earth metal cations which comprises reacting 3,4-dihydroxycinnamic acid with acetic anhydride in pyridine for 18-30 hours, in organic solvents, giving 3,4-dihydroxycinnamic acid, diacetate, then converting to 3,4-dihydroxycinnamic acid chloride by treating with thionyl chloride in dimethylformamide at -20° to -18° C. for 30-90 minutes; reacting 4-O-α-D-glucopyranosyl-β-D-glucopyranosyl bromide, heptaacetate with sodium azide in dimethylsulfoxide at 55°-65° C. for 10-30 minutes, extracting in organic solvents, giving 4-O-α-D-glucopyranosyl-β-D-glucopyranosylazide, heptaacetate, then catalytically reducing, giving 4-Oα-D-glucopyranosyl-β-D-glucopyranosylamine, heptaacetate (heptaester); reacting a solution of the 3,4-dihydroxycinnamic acid chloride in dimethylformamide at -20° to -15° C. with a solution of the 4-O-α-D-glucopyranosyl-β-D-glucopyranosylamine, heptaacetate in pyridine at -15° to -5° C. for 20-40 minutes, then at -5° to 20° C. for 1-2 hours followed by extracting with organic solvents, giving N-(4-O-α-D-glucopyranosyl-β-D-glucopyranosyl)-3,4-dihydroxycinnamamide, nonaacetate (nonaester), then converting to N-(4-O-α-D-glucopyranosyl-β-D-glucopyranosyl)-3,4-dihydroxycinnamamide by reacting in a mixture of methanol, triethylamine and water, under an inert atmosphere for 20-30 hours followed by heating at reflux for 2-6 hours and extracting in organic solvents, reacting this derivative with triethylamine sulfur trioxide in N,N-dimethylacetamide under an inert atmosphere at 50°-70° C. for 15-20 hours, and then treating with an alkali metal or alkaline earth metal acetate in water.
Claim 20
Independent Claim
214 words
A method for producing compounds of the formula: ##STR8## wherein A is selected from the group consisting of alkali metal cations and alkaline earth metal cations which comprises reacting 3,4-dihydroxycinnamic acid with acetic anhydride in pyridine for 18-30 hours, in organic solvents, giving 3,4-dihydroxycinnamic acid, diacetate, then converting to 3,4-dihydroxycinnamic acid chloride by treating with thionyl chloride in dimethylformamide at -20° to -18° C. for 30-90 minutes; reacting 4-O-α-D-glucopyranosyl-β-D-glucopyranosyl bromide, heptaacetate with sodium azide in dimethylsulfoxide at 55°-65° C. for 10-30 minutes, extracting in organic solvents, giving 4-O-α-D-glucopyranosyl-β-D-glucopyranosylazide, heptaacetate, then catalytically reducing, giving 4-Oα-D-glucopyranosyl-β-D-glucopyranosylamine, heptaacetate (heptaester); reacting a solution of the 3,4-dihydroxycinnamic acid chloride in dimethylformamide at -20° to -15° C. with a solution of the 4-O-α-D-glucopyranosyl-β-D-glucopyranosylamine, heptaacetate in pyridine at -15° to -5° C. for 20-40 minutes, then at -5° to 20° C. for 1-2 hours followed by extracting with organic solvents, giving N-(4-O-α-D-glucopyranosyl-β-D-glucopyranosyl)-3,4-dihydroxycinnamamide, nonaacetate (nonaester), then converting to N-(4-O-α-D-glucopyranosyl-β-D-glucopyranosyl)-3,4-dihydroxycinnamamide by reacting in a mixture of methanol, triethylamine and water, under an inert atmosphere for 20-30 hours followed by heating at reflux for 2-6 hours and extracting in organic solvents, reacting this derivative with triethylamine sulfur trioxide in N,N-dimethylacetamide under an inert atmosphere at 50°-70° C. for 15-20 hours, and then treating with an alkali metal or alkaline earth metal acetate in water.
References Cited (Backward Citations)
US4098995A
Cited
US4221907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-06-28 | 1985-12-28 | 1986-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-06-28 | 1989-12-28 | 1990-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-06-28 | 1993-12-28 | 1994-06-29 | $7700.00 | Window Closed / Lapsed |