BE878930A - Procede de production des acides ascorbique et erythorbique - Google Patents

Procede de production des acides ascorbique et erythorbique

Info

Publication number: BE878930A
Authority: BE; Belgium
Prior art keywords: producing ascorbic; erythorbic acids; erythorbic; acids; ascorbic
Prior art date: 1978-09-22

Application number

BE0/197262A

Other languages

English (en)

Inventor

T Crawford

Original Assignee

Pfizer

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.)

1978-09-22

Filing date

1979-09-21

Publication date

1980-03-21

1979-09-21 Application filed by Pfizer filed Critical Pfizer

1980-03-21 Publication of BE878930A publication Critical patent/BE878930A/fr

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)
Furan Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

BE0/197262A 1978-09-22 1979-09-21 Procede de production des acides ascorbique et erythorbique BE878930A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/945,034 US4180511A (en)	1978-09-22	1978-09-22	Ascorbic acid process

Publications (1)

Publication Number	Publication Date
BE878930A true BE878930A (fr)	1980-03-21

Family

ID=25482512

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE0/197262A BE878930A (fr)	1978-09-22	1979-09-21	Procede de production des acides ascorbique et erythorbique

Country Status (16)

Country	Link
US (1)	US4180511A (fr)
JP (1)	JPS5545689A (fr)
AR (1)	AR222347A1 (fr)
AU (1)	AU514670B2 (fr)
BE (1)	BE878930A (fr)
DE (1)	DE2937517A1 (fr)
DK (1)	DK303779A (fr)
ES (1)	ES484339A1 (fr)
FR (1)	FR2436784A1 (fr)
GB (1)	GB2030145A (fr)
IT (1)	IT1123732B (fr)
LU (1)	LU81707A1 (fr)
NL (1)	NL7907041A (fr)
PL (1)	PL117376B1 (fr)
SE (1)	SE7907807L (fr)
ZA (1)	ZA795027B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4276219A (en) *	1979-07-20	1981-06-30	Pfizer Inc.	5-Keto-L-ascorbic acid-5,5-dimethyl ketal, derivatives thereof and its use as an antioxidant and intermediate
CH678057A5 (de) *	1989-06-26	1991-07-31	Enco Eng Ag	Verfahren zur herstellung von natrium- oder kalium-l-ascorbat.
DE19938980A1 (de) *	1999-08-19	2001-02-22	Basf Ag	Verfahren zur Herstellung von 2-Keto-L-gulonsäureestern

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3721663A (en) *	1970-03-02	1973-03-20	Merck & Co Inc	Novel method for preparing ascorbic acid compounds and novel intermediates for preparing same

1978
- 1978-09-22 US US05/945,034 patent/US4180511A/en not_active Expired - Lifetime
1979
- 1979-07-19 DK DK303779A patent/DK303779A/da unknown
- 1979-09-12 GB GB7931686A patent/GB2030145A/en not_active Withdrawn
- 1979-09-17 PL PL1979218371A patent/PL117376B1/pl unknown
- 1979-09-17 DE DE19792937517 patent/DE2937517A1/de not_active Ceased
- 1979-09-20 AU AU51033/79A patent/AU514670B2/en not_active Ceased
- 1979-09-20 IT IT25884/79A patent/IT1123732B/it active
- 1979-09-20 SE SE7907807A patent/SE7907807L/xx not_active Application Discontinuation
- 1979-09-20 ES ES484339A patent/ES484339A1/es not_active Expired
- 1979-09-20 LU LU81707A patent/LU81707A1/fr unknown
- 1979-09-21 ZA ZA00795027A patent/ZA795027B/xx unknown
- 1979-09-21 NL NL7907041A patent/NL7907041A/nl not_active Application Discontinuation
- 1979-09-21 JP JP12190179A patent/JPS5545689A/ja active Pending
- 1979-09-21 BE BE0/197262A patent/BE878930A/fr unknown
- 1979-09-21 FR FR7923556A patent/FR2436784A1/fr not_active Withdrawn
- 1979-09-21 AR AR278161A patent/AR222347A1/es active

Also Published As

Publication number	Publication date
US4180511A (en)	1979-12-25
AU514670B2 (en)	1981-02-19
JPS5545689A (en)	1980-03-31
SE7907807L (sv)	1980-03-23
IT1123732B (it)	1986-04-30
ZA795027B (en)	1980-09-24
FR2436784A1 (fr)	1980-04-18
PL117376B1 (en)	1981-07-31
ES484339A1 (es)	1980-05-16
DK303779A (da)	1980-03-23
IT7925884A0 (it)	1979-09-20
PL218371A1 (fr)	1980-05-05
AR222347A1 (es)	1981-05-15
GB2030145A (en)	1980-04-02
LU81707A1 (fr)	1980-04-21
NL7907041A (nl)	1980-03-25
AU5103379A (en)	1980-03-27
DE2937517A1 (de)	1980-03-27

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