USB332442I5 - - Google Patents
Info
- Publication number
- USB332442I5 USB332442I5 US33244273A USB332442I5 US B332442 I5 USB332442 I5 US B332442I5 US 33244273 A US33244273 A US 33244273A US B332442 I5 USB332442 I5 US B332442I5
- Authority
- US
- United States
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/62—Three oxygen atoms, e.g. ascorbic acid
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/332,442 US4001231A (en) | 1973-03-29 | 1973-03-29 | Process for making a methenamine salt of an optically active acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/332,442 US4001231A (en) | 1973-03-29 | 1973-03-29 | Process for making a methenamine salt of an optically active acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| USB332442I5 true USB332442I5 (fr) | 1976-03-30 |
| US4001231A US4001231A (en) | 1977-01-04 |
Family
ID=23298255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US05/332,442 Expired - Lifetime US4001231A (en) | 1973-03-29 | 1973-03-29 | Process for making a methenamine salt of an optically active acid |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US4001231A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2636629A1 (fr) * | 1988-09-22 | 1990-03-23 | Centre Nat Rech Scient | Nouveaux esters adamantyles liposolubles de la vitamine c, leur procede de preparation et leurs applications |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1210859B (it) * | 1982-03-01 | 1989-09-29 | Ausonia Farma Srl | Composto chemioterapico, procedimento per la sua preparazione e relative composizioni farmaceutiche. |
| US20060198886A1 (en) * | 2005-03-01 | 2006-09-07 | Jenkins Richard B | Medicament having coated methenamine combined with acidifier |
| MX2018014963A (es) | 2016-06-03 | 2019-08-12 | Albemarle Corp | Procesos para producir mandelato de metenamina. |
| US10639312B1 (en) * | 2019-12-06 | 2020-05-05 | Edenbridge Pharmaceuticals, LLC | Finished pharmaceutical dosage form of a methenamine salt such as methenamine mandelate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US569429A (en) * | 1896-10-13 | Roberto schiff | ||
| US2539483A (en) * | 1945-03-28 | 1951-01-30 | Simon L Ruskin | Urea ascorbate and complexes containing the same and process for their manufacture |
| US3168452A (en) * | 1961-06-28 | 1965-02-02 | Debe Anthony | Method of making a derivative of salicylic acid |
| US3372091A (en) * | 1965-01-25 | 1968-03-05 | Rexall Drug Chemical | Method for preparing hexamethylene-tetramine hippurate and tablets thereof |
| US3597428A (en) * | 1969-05-01 | 1971-08-03 | Carlisle Chemical Works | Spray-drying salts of hexamethylene tetramine |
-
1973
- 1973-03-29 US US05/332,442 patent/US4001231A/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US569429A (en) * | 1896-10-13 | Roberto schiff | ||
| US2539483A (en) * | 1945-03-28 | 1951-01-30 | Simon L Ruskin | Urea ascorbate and complexes containing the same and process for their manufacture |
| US3168452A (en) * | 1961-06-28 | 1965-02-02 | Debe Anthony | Method of making a derivative of salicylic acid |
| US3372091A (en) * | 1965-01-25 | 1968-03-05 | Rexall Drug Chemical | Method for preparing hexamethylene-tetramine hippurate and tablets thereof |
| US3597428A (en) * | 1969-05-01 | 1971-08-03 | Carlisle Chemical Works | Spray-drying salts of hexamethylene tetramine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2636629A1 (fr) * | 1988-09-22 | 1990-03-23 | Centre Nat Rech Scient | Nouveaux esters adamantyles liposolubles de la vitamine c, leur procede de preparation et leurs applications |
| WO1990003372A1 (fr) * | 1988-09-22 | 1990-04-05 | Centre National De La Recherche Scientifique (Cnrs) | Nouveaux esters adamantyles liposolubles de la vitamine c, leur procede de preparation et leurs applications |
| GR890100599A (el) * | 1988-09-22 | 1990-10-31 | Centre Nat Rech Scient | Νεοι λιποδιαλυτοι εστερες αδαμαντυλιου της βιταμινης c μεθοδος παρασκευης τους και εφαρμογες τους. |
Also Published As
| Publication number | Publication date |
|---|---|
| US4001231A (en) | 1977-01-04 |