ES262812A1 - Un procedimiento de obtener desmetilclorote traciclina purificada - Google Patents

Un procedimiento de obtener desmetilclorote traciclina purificada

Info

Publication number
ES262812A1
ES262812A1 ES0262812A ES262812A ES262812A1 ES 262812 A1 ES262812 A1 ES 262812A1 ES 0262812 A ES0262812 A ES 0262812A ES 262812 A ES262812 A ES 262812A ES 262812 A1 ES262812 A1 ES 262812A1
Authority
ES
Spain
Prior art keywords
ketone
methyl
earth metal
alkaline earth
organic solvent
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
ES0262812A
Other languages
English (en)
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
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 American Cyanamid Co filed Critical American Cyanamid Co
Publication of ES262812A1 publication Critical patent/ES262812A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C233/00Carboxylic acid amides

Landscapes

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

Abstract

Un procedimiento de obtener desmetilclorotetraciclina purificada, a partir de un caldo de fermentación que la contiene en forma de un precipitado de metal alcalinotérreo, caracterizado por ajustar el mosto a un pH ácido, para solubilizar la desmetilclorotetraciclina, filtrar el mosto, reducir el contenido en iones de metal alcalinotérreo libres del filtrado a un nivel predeterminado, añadir un compuesto de amonio cuaternario y un disolvente orgánico inmiscible con agua, ajustar la mezcla a un pH alcalino y extraer la desmetilclorotetraciclina de la fase de disolvente orgánico.
ES0262812A 1959-12-09 1960-11-28 Un procedimiento de obtener desmetilclorote traciclina purificada Expired ES262812A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US858332A US3050558A (en) 1959-12-09 1959-12-09 Refining of demethylchlortetracycline

Publications (1)

Publication Number Publication Date
ES262812A1 true ES262812A1 (es) 1961-03-01

Family

ID=25328062

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0262812A Expired ES262812A1 (es) 1959-12-09 1960-11-28 Un procedimiento de obtener desmetilclorote traciclina purificada

Country Status (5)

Country Link
US (1) US3050558A (es)
BE (1) BE597901A (es)
CH (1) CH386624A (es)
ES (1) ES262812A1 (es)
GB (1) GB942074A (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226434A (en) * 1962-12-04 1965-12-28 American Cyanamid Co Preparation of neutral 6-demethyl-7-chlorotetracycline
US3272862A (en) * 1963-10-19 1966-09-13 Ankerfarm Spa Recovery of tetracycline antibiotics from fermentation broths
US3454639A (en) * 1966-03-04 1969-07-08 Pfizer & Co C Tetracycline recovery
US5494903A (en) 1991-10-04 1996-02-27 American Cyanamid Company 7-substituted-9-substituted amino-6-demethyl-6-deoxytetracyclines
USRE40183E1 (en) 1991-10-04 2008-03-25 Wyeth Holdings Corporation 7-Substituted-9-substituted amino-6-demethyl-6-deoxytetracyclines

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2804476A (en) * 1954-04-14 1957-08-27 Pfizer & Co C Process for separating tetracycline and chlortetracycline
US2905662A (en) * 1956-05-11 1959-09-22 American Cyanamid Co Preparation of tetracycline-urea compound
GB821310A (en) * 1956-05-11 1959-10-07 American Cyanamid Co Recovery of tetracycline from an acidified fermentation mash
US2873276A (en) * 1956-05-18 1959-02-10 Pfizer & Co C Antibiotic purification and complex compounds
US2875247A (en) * 1956-12-21 1959-02-24 American Cyanamid Co Refining of tetracycline antibiotics by direct mash extraction

Also Published As

Publication number Publication date
CH386624A (de) 1965-01-15
BE597901A (fr) 1961-06-07
GB942074A (en) 1963-11-20
US3050558A (en) 1962-08-21

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