GB1533500A - Process for the preparation of 2,5-dihydroxybenzene-sulphonates - Google Patents

Process for the preparation of 2,5-dihydroxybenzene-sulphonates

Info

Publication number
GB1533500A
GB1533500A GB3199377A GB3199377A GB1533500A GB 1533500 A GB1533500 A GB 1533500A GB 3199377 A GB3199377 A GB 3199377A GB 3199377 A GB3199377 A GB 3199377A GB 1533500 A GB1533500 A GB 1533500A
Authority
GB
United Kingdom
Prior art keywords
dihydroxybenzene
sulphonates
preparation
Prior art date
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.)
Expired
Application number
GB3199377A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lek Pharmaceuticals dd
Original Assignee
Lek Pharmaceuticals and Chemical Co dd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lek Pharmaceuticals and Chemical Co dd filed Critical Lek Pharmaceuticals and Chemical Co dd
Publication of GB1533500A publication Critical patent/GB1533500A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
GB3199377A 1976-08-16 1977-07-29 Process for the preparation of 2,5-dihydroxybenzene-sulphonates Expired GB1533500A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
YU200576A YU39365B (en) 1976-08-16 1976-08-16 Process for preparing 2,5-dihydroxybenzene sulfonic acid salts

Publications (1)

Publication Number Publication Date
GB1533500A true GB1533500A (en) 1978-11-29

Family

ID=25556465

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3199377A Expired GB1533500A (en) 1976-08-16 1977-07-29 Process for the preparation of 2,5-dihydroxybenzene-sulphonates

Country Status (9)

Country Link
CS (1) CS190348B2 (en)
DD (1) DD131089A1 (en)
DE (1) DE2733955C3 (en)
GB (1) GB1533500A (en)
HU (1) HU172492B (en)
PL (1) PL111816B1 (en)
RO (1) RO72171A (en)
SU (1) SU645561A3 (en)
YU (1) YU39365B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115403489A (en) * 2022-07-29 2022-11-29 湖北广辰药业有限公司 Crystallization method for controlling particle size of calcium dobesilate
CN115819290A (en) * 2022-11-22 2023-03-21 中楚鑫新材料科技(荆州)有限公司 Preparation method of 2, 5-dihydroxy benzene sulfonic acid calcium monohydrate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115403489A (en) * 2022-07-29 2022-11-29 湖北广辰药业有限公司 Crystallization method for controlling particle size of calcium dobesilate
CN115819290A (en) * 2022-11-22 2023-03-21 中楚鑫新材料科技(荆州)有限公司 Preparation method of 2, 5-dihydroxy benzene sulfonic acid calcium monohydrate

Also Published As

Publication number Publication date
SU645561A3 (en) 1979-01-30
PL111816B1 (en) 1980-09-30
YU200576A (en) 1982-02-28
CS190348B2 (en) 1979-05-31
HU172492B (en) 1978-09-28
PL200287A1 (en) 1978-05-08
DD131089A1 (en) 1978-05-31
DE2733955B2 (en) 1979-08-23
DE2733955A1 (en) 1978-02-23
DE2733955C3 (en) 1980-04-30
RO72171A (en) 1982-05-10
YU39365B (en) 1984-10-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920729