FR779883A - Process for preparing 1-ascorbic acid - Google Patents

Process for preparing 1-ascorbic acid

Info

Publication number
FR779883A
FR779883A FR779883DA FR779883A FR 779883 A FR779883 A FR 779883A FR 779883D A FR779883D A FR 779883DA FR 779883 A FR779883 A FR 779883A
Authority
FR
France
Prior art keywords
preparing
ascorbic acid
ascorbic
acid
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
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Application granted granted Critical
Publication of FR779883A publication Critical patent/FR779883A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/62—Three oxygen atoms, e.g. ascorbic acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR779883D 1933-10-25 1934-10-18 Process for preparing 1-ascorbic acid Expired FR779883A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH779883X 1933-10-25

Publications (1)

Publication Number Publication Date
FR779883A true FR779883A (en) 1935-04-13

Family

ID=4536108

Family Applications (1)

Application Number Title Priority Date Filing Date
FR779883D Expired FR779883A (en) 1933-10-25 1934-10-18 Process for preparing 1-ascorbic acid

Country Status (2)

Country Link
ES (1) ES135939A1 (en)
FR (1) FR779883A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0091134A2 (en) * 1982-04-09 1983-10-12 Shionogi & Co., Ltd. Process for preparing L-ascorbic acid
FR2648136A1 (en) * 1989-06-12 1990-12-14 Rhone Poulenc Sante PROCESS FOR THE PREPARATION OF ASCORBIC ACID

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0091134A2 (en) * 1982-04-09 1983-10-12 Shionogi & Co., Ltd. Process for preparing L-ascorbic acid
EP0091134A3 (en) * 1982-04-09 1984-12-19 Shionogi & Co., Ltd. Process for preparing l-ascorbic acid
FR2648136A1 (en) * 1989-06-12 1990-12-14 Rhone Poulenc Sante PROCESS FOR THE PREPARATION OF ASCORBIC ACID
EP0403351A1 (en) * 1989-06-12 1990-12-19 Rhone-Poulenc Sante Process for the preparation of ascorbic acid
US5391770A (en) * 1989-06-12 1995-02-21 Rhone Poulenc Rorer S.A. Process for preparing ascorbic acid

Also Published As

Publication number Publication date
ES135939A1 (en) 1934-12-16

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