FR2086539A5 - Ortho-sulphobenzimides prepn - Google Patents

Ortho-sulphobenzimides prepn

Info

Publication number
FR2086539A5
FR2086539A5 FR7011659A FR7011659A FR2086539A5 FR 2086539 A5 FR2086539 A5 FR 2086539A5 FR 7011659 A FR7011659 A FR 7011659A FR 7011659 A FR7011659 A FR 7011659A FR 2086539 A5 FR2086539 A5 FR 2086539A5
Authority
FR
France
Prior art keywords
sulphobenzimides
prepn
ortho
product
water
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
FR7011659A
Other languages
French (fr)
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.)
Rhone Poulenc SA
Original Assignee
Rhone Poulenc SA
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 Rhone Poulenc SA filed Critical Rhone Poulenc SA
Priority to FR7011659A priority Critical patent/FR2086539A5/en
Priority to NL7103967A priority patent/NL7103967A/xx
Priority to US00129976A priority patent/US3759936A/en
Priority to CH465871A priority patent/CH517765A/en
Priority to BE765104A priority patent/BE765104A/en
Priority to DE19712115944 priority patent/DE2115944B2/en
Priority to IT22619/71A priority patent/IT1050130B/en
Priority to GB25762/71A priority patent/GB1298296A/en
Application granted granted Critical
Publication of FR2086539A5 publication Critical patent/FR2086539A5/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D275/00—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings
    • C07D275/04—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems
    • C07D275/06—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems with hetero atoms directly attached to the ring sulfur atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

In the prepn. of o-sulphobenzimides by oxidn. of o-toluene sulphonamides with air or O2 in the presence of a catalyst, good yields and a pure product are obtd. if the reaction is effected in a liquid medium, pref. one in which the product is insol. and one which contains water esp. HOAc contg. up to 8% water. The products, including saccharin, are useful in the food, plastics and electroplating industries.
FR7011659A 1970-04-01 1970-04-01 Ortho-sulphobenzimides prepn Expired FR2086539A5 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7011659A FR2086539A5 (en) 1970-04-01 1970-04-01 Ortho-sulphobenzimides prepn
NL7103967A NL7103967A (en) 1970-04-01 1971-03-24
US00129976A US3759936A (en) 1970-04-01 1971-03-31 Oxidation of o-toluenesulfonamides by molecular oxygen
CH465871A CH517765A (en) 1970-04-01 1971-03-31 Process for the preparation of ortho-sulfobenzimides
BE765104A BE765104A (en) 1970-04-01 1971-03-31 ORTHO PREPARATION PROCESS. SULFOBENZIMIDES
DE19712115944 DE2115944B2 (en) 1970-04-01 1971-04-01 PROCESS FOR THE PREPARATION OF O-SULFOBENZIMIDES
IT22619/71A IT1050130B (en) 1970-04-01 1971-04-01 PROCEDURE FOR PREPARING ORIO SULFOBENZIMMIDI
GB25762/71A GB1298296A (en) 1970-04-01 1971-04-19 Process for the preparation of ortho-sulpho-benzimides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7011659A FR2086539A5 (en) 1970-04-01 1970-04-01 Ortho-sulphobenzimides prepn

Publications (1)

Publication Number Publication Date
FR2086539A5 true FR2086539A5 (en) 1971-12-31

Family

ID=9053209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7011659A Expired FR2086539A5 (en) 1970-04-01 1970-04-01 Ortho-sulphobenzimides prepn

Country Status (1)

Country Link
FR (1) FR2086539A5 (en)

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Legal Events

Date Code Title Description
ST Notification of lapse