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US4337249A Expired / Lapsed US ⏱️ 0.0 years remaining

Modulators of the complement system

Assignee: Wyeth Holdings LLC
•
Filing: 1981-08-03
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Granted: 1982-06-29
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Expires: 2001-08-03
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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 00:15
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

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