ZA75833B - A process for preparing mono- and di-ester of 2,5-dihydroxybenzene sulfonic acid - Google Patents
A process for preparing mono- and di-ester of 2,5-dihydroxybenzene sulfonic acidInfo
- Publication number
- ZA75833B ZA75833B ZA00750833A ZA75833A ZA75833B ZA 75833 B ZA75833 B ZA 75833B ZA 00750833 A ZA00750833 A ZA 00750833A ZA 75833 A ZA75833 A ZA 75833A ZA 75833 B ZA75833 B ZA 75833B
- Authority
- ZA
- South Africa
- Prior art keywords
- ester
- sulfonic acid
- preparing mono
- dihydroxybenzene sulfonic
- dihydroxybenzene
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/02—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements
- C07D295/027—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements containing only one hetero ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/06—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
- C07D213/16—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom containing only hydrogen and carbon atoms in addition to the ring nitrogen atom containing only one pyridine ring
- C07D213/18—Salts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH628874A CH591437A5 (ja) | 1974-05-08 | 1974-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA75833B true ZA75833B (en) | 1976-01-28 |
Family
ID=4307191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00750833A ZA75833B (en) | 1974-05-08 | 1975-02-10 | A process for preparing mono- and di-ester of 2,5-dihydroxybenzene sulfonic acid |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS50148518A (ja) |
| BE (1) | BE825369R (ja) |
| CA (1) | CA1051897A (ja) |
| CH (1) | CH591437A5 (ja) |
| DD (1) | DD119782A6 (ja) |
| DE (1) | DE2459614A1 (ja) |
| DK (1) | DK671274A (ja) |
| FR (1) | FR2269931B2 (ja) |
| GB (1) | GB1490247A (ja) |
| NL (1) | NL7416909A (ja) |
| RO (1) | RO72515A (ja) |
| ZA (1) | ZA75833B (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2015433A6 (es) * | 1989-08-03 | 1990-08-16 | Esteve Quimica Sa | Procedimientos de preparacion de la sal de piperacina del monotosilato del acido 2,5-dihidroxibencenosulfonico |
| US5214191A (en) * | 1990-05-22 | 1993-05-25 | Cortech, Inc. | Oxidant sensitive and insensitive aromatic esters as inhibitors of human neutrophil elastase |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH551956A (fr) * | 1972-05-17 | 1974-07-31 | Esteve Lab Del Dr Sa | Procede pour la preparation de sels de sulfones derivant des acides 2,5-dihydroxybenzenemonosulfonique et 2,5dihydroxybenzenedisulfonique. |
| CH563356A5 (ja) * | 1972-05-17 | 1975-06-30 | Esteve Dr Lab Del Sa | |
| AR204506A1 (es) * | 1972-05-17 | 1976-02-12 | Esteve Labor Dr | Procedimiento de preparacion de sales de acidos p-dihidroxibencenodisulfonicos |
-
1974
- 1974-05-08 CH CH628874A patent/CH591437A5/xx not_active IP Right Cessation
- 1974-12-17 DE DE19742459614 patent/DE2459614A1/de not_active Ceased
- 1974-12-20 DK DK671274A patent/DK671274A/da unknown
- 1974-12-27 NL NL7416909A patent/NL7416909A/xx not_active Application Discontinuation
-
1975
- 1975-01-06 RO RO7581049A patent/RO72515A/ro unknown
- 1975-01-28 GB GB3752/75A patent/GB1490247A/en not_active Expired
- 1975-01-29 CA CA218,959A patent/CA1051897A/en not_active Expired
- 1975-02-10 BE BE153219A patent/BE825369R/xx not_active IP Right Cessation
- 1975-02-10 ZA ZA00750833A patent/ZA75833B/xx unknown
- 1975-02-14 FR FR7504673A patent/FR2269931B2/fr not_active Expired
- 1975-03-26 JP JP50036643A patent/JPS50148518A/ja active Pending
- 1975-05-07 DD DD185898A patent/DD119782A6/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2269931A2 (ja) | 1975-12-05 |
| DD119782A6 (ja) | 1976-05-12 |
| CA1051897A (en) | 1979-04-03 |
| AU7824775A (en) | 1976-08-19 |
| NL7416909A (nl) | 1975-11-11 |
| BE825369R (fr) | 1975-05-29 |
| RO72515A (ro) | 1982-05-10 |
| DE2459614A1 (de) | 1975-11-20 |
| GB1490247A (en) | 1977-10-26 |
| JPS50148518A (ja) | 1975-11-28 |
| FR2269931B2 (ja) | 1978-07-21 |
| CH591437A5 (ja) | 1977-09-15 |
| DK671274A (da) | 1975-11-09 |
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