IT1307976B1 - PROCESS FOR THE PREPARATION OF BENZOPHENONSOLPHONIC ACIDS. - Google Patents

PROCESS FOR THE PREPARATION OF BENZOPHENONSOLPHONIC ACIDS.

Info

Publication number
IT1307976B1
IT1307976B1 ITBG990013A IT1307976B1 IT 1307976 B1 IT1307976 B1 IT 1307976B1 IT BG990013 A ITBG990013 A IT BG990013A IT 1307976 B1 IT1307976 B1 IT 1307976B1
Authority
IT
Italy
Prior art keywords
benzophenonsolphonic
acids
preparation
benzophenonsolphonic acids
Prior art date
Application number
Other languages
Italian (it)
Inventor
Eugenio Fumagalli
Roberto Bona
Original Assignee
3V Sigma Spa
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 3V Sigma Spa filed Critical 3V Sigma Spa
Priority to IT1999BG000013 priority Critical patent/IT1307976B1/en
Priority to FR0002702A priority patent/FR2791057A1/en
Publication of ITBG990013A1 publication Critical patent/ITBG990013A1/en
Application granted granted Critical
Publication of IT1307976B1 publication Critical patent/IT1307976B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
    • C07C303/04—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by substitution of hydrogen atoms by sulfo or halosulfonyl groups
    • C07C303/08—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by substitution of hydrogen atoms by sulfo or halosulfonyl groups by reaction with halogenosulfonic acids
IT1999BG000013 1999-03-17 1999-03-17 PROCESS FOR THE PREPARATION OF BENZOPHENONSOLPHONIC ACIDS. IT1307976B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT1999BG000013 IT1307976B1 (en) 1999-03-17 1999-03-17 PROCESS FOR THE PREPARATION OF BENZOPHENONSOLPHONIC ACIDS.
FR0002702A FR2791057A1 (en) 1999-03-17 2000-03-02 Benzophenone sulfonic acids preparation, useful as sunscreens against UV- A and UV-B, comprises reacting non-sulfonated benzophenone with chlorosulfonic acid in dialkylcarbonate solvent medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999BG000013 IT1307976B1 (en) 1999-03-17 1999-03-17 PROCESS FOR THE PREPARATION OF BENZOPHENONSOLPHONIC ACIDS.

Publications (2)

Publication Number Publication Date
ITBG990013A1 ITBG990013A1 (en) 2000-09-17
IT1307976B1 true IT1307976B1 (en) 2001-11-29

Family

ID=11336679

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999BG000013 IT1307976B1 (en) 1999-03-17 1999-03-17 PROCESS FOR THE PREPARATION OF BENZOPHENONSOLPHONIC ACIDS.

Country Status (2)

Country Link
FR (1) FR2791057A1 (en)
IT (1) IT1307976B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0122903D0 (en) * 2001-09-22 2001-11-14 Great Lakes Chemical Europ Sulphonation of phenols
CN101624357B (en) * 2009-08-05 2013-01-09 宜都市华阳化工有限责任公司 Method for producing 2-hydroxyl-4-methoxybenzophenone-5-sulfonic acid
FR2949342B1 (en) * 2009-08-28 2011-10-21 Oreal COMPOSITION COMPRISING A SILICONE S-TRIAZINE SUBSTITUTED WITH AT LEAST TWO ALKYLAMINOBENZOATE GROUPS AND A HYDROPHILIC UVA FILTER
CN102796029A (en) * 2011-05-23 2012-11-28 辽宁石油化工大学 Clean synthesis process for cosmetic grade 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid
CN109456233A (en) * 2018-10-23 2019-03-12 襄阳金达成精细化工有限公司 A kind of preparation method of ultraviolet absorbing agent UV-284
CN115490618A (en) * 2022-09-02 2022-12-20 山东金城医药化工有限公司 Preparation method of sodium paeonol sulfonate

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3824486A1 (en) * 1988-07-20 1990-02-08 Basf Ag METHOD FOR PRODUCING 4-ALKOXY-2-HYDROXYBENZOPHENONE-5-SULPHONIC ACIDS
JPH09227499A (en) * 1996-02-23 1997-09-02 Konika Chem:Kk Sulfonation of phenols

Also Published As

Publication number Publication date
FR2791057A1 (en) 2000-09-22
ITBG990013A1 (en) 2000-09-17

Similar Documents

Publication Publication Date Title
IT1317741B1 (en) METHOD FOR THE PREPARATION OF 5-CYANOPHALIDE.
ITFI990117A0 (en) PROCESS FOR THE PRODUCTION OF CERAMIC PRODUCTS
IT1317716B1 (en) PROCESS FOR THE PREPARATION OF OXYDRYL CONTERMINAL PERFLUOROPOLYXIALKYLENES.
IT1319251B1 (en) METHOD FOR THE PREPARATION OF 5-CARBOSSIFTALIDE.
EE200000241A (en) Process for the preparation of 8-methoxyquinolone carboxylic acids
ITMI991486A0 (en) PROCESS FOR THE SYNTHESIS OF CITALOPRAM
IT1307976B1 (en) PROCESS FOR THE PREPARATION OF BENZOPHENONSOLPHONIC ACIDS.
DE60002020D1 (en) Process for producing high purity xylitol
IT1319242B1 (en) PROCESS FOR THE PREPARATION OF MALEATE OF FLUVOXAMINE.
NO20001777L (en) Process for the preparation of substituted 4-phenyl-4-cyanocyclohexanecarboxylic acids
IT1312536B1 (en) PROCEDURE FOR THE PRODUCTION AND PURIFICATION OF AROMATIC ACIDS.
NO991672D0 (en) Process for the preparation of hydroxamic acids
NO995388D0 (en) Process for the preparation of formylphosphonic acid
DE60004931D1 (en) Continuous process for the preparation of 3,5,5-trimethylcyclohexa-3-en-1-one (beta-isophorone)
ITMI992127A0 (en) PROCESS FOR THE PREPARATION OF AN ARYL-PYRIDINE COMPOUND
NO20020560L (en) Process for the preparation of cyclohexanecarboxylic acids
ITMI20000261A0 (en) PROCESS FOR THE PREPARATION OF PYRIDINILIDEN-PHTHALIDES
ITMI991574A1 (en) PROCESS FOR THE PRODUCTION OF AMINOCEPHALOSPORANIC ACIDS.
IT1313588B1 (en) PROCESS FOR THE PREPARATION OF TRANS-4-P-FLUOROFENIL-3-IDROSSIMETIL-PIPERIDINA.
NO20020328D0 (en) Process for the preparation of 4-cyano-2-aminomethylthiazole
IT1314240B1 (en) PROCESS FOR THE PREPARATION OF (4-METHYLTHIO-FENYL) -ACETONITRILE.
IT1314239B1 (en) PROCESS FOR THE PREPARATION OF (4-METHYLTHIO-FENYL) -ACETONITRILE.
DE50015611D1 (en) Process for the preparation of 2,3-pyridinedicarboxylic acids
IT1312551B1 (en) PROCESS FOR THE SYNTHESIS OF 5-ALCHYLBENZODIOSSOLI
ITMI20011021A0 (en) PROCESS FOR THE PREPARATION OF PENICILLANIC ACIDS