GB993299A - Process for the preparation of ninhydrin - Google Patents

Process for the preparation of ninhydrin

Info

Publication number
GB993299A
GB993299A GB47082/63A GB4708263A GB993299A GB 993299 A GB993299 A GB 993299A GB 47082/63 A GB47082/63 A GB 47082/63A GB 4708263 A GB4708263 A GB 4708263A GB 993299 A GB993299 A GB 993299A
Authority
GB
United Kingdom
Prior art keywords
ninhydrin
preparation
acylindone
dione
moles
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
GB47082/63A
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
Publication of GB993299A publication Critical patent/GB993299A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/28—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of CHx-moieties
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2602/00—Systems containing two condensed rings
    • C07C2602/02—Systems containing two condensed rings the rings having only two atoms in common
    • C07C2602/04—One of the condensed rings being a six-membered aromatic ring
    • C07C2602/08—One of the condensed rings being a six-membered aromatic ring the other ring being five-membered, e.g. indane

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Indole Compounds (AREA)

Abstract

Ninhydrin is produced by oxidizing at above 70 DEG C. a 2-acylindone-1,3-dione with 1.33 to 10 moles of nitric acid of 10-50% concentration.
GB47082/63A 1962-11-29 1963-11-28 Process for the preparation of ninhydrin Expired GB993299A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR917040 1962-11-29

Publications (1)

Publication Number Publication Date
GB993299A true GB993299A (en) 1965-05-26

Family

ID=8791812

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47082/63A Expired GB993299A (en) 1962-11-29 1963-11-28 Process for the preparation of ninhydrin

Country Status (2)

Country Link
CH (1) CH407992A (en)
GB (1) GB993299A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108047018A (en) * 2017-12-12 2018-05-18 上海三爱思试剂有限公司 A kind of synthetic method of ninhydrin

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108047018A (en) * 2017-12-12 2018-05-18 上海三爱思试剂有限公司 A kind of synthetic method of ninhydrin
CN108047018B (en) * 2017-12-12 2022-07-22 上海三爱思试剂有限公司 Synthetic method of ninhydrin

Also Published As

Publication number Publication date
CH407992A (en) 1966-02-28

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