ES8401076A1 - Mejoras introducidas en un procedimiento de preparacion de acido 6,6-diyodopenicilanico. - Google Patents

Mejoras introducidas en un procedimiento de preparacion de acido 6,6-diyodopenicilanico.

Info

Publication number
ES8401076A1
ES8401076A1 ES515434A ES515434A ES8401076A1 ES 8401076 A1 ES8401076 A1 ES 8401076A1 ES 515434 A ES515434 A ES 515434A ES 515434 A ES515434 A ES 515434A ES 8401076 A1 ES8401076 A1 ES 8401076A1
Authority
ES
Spain
Prior art keywords
acid
reaction
temperature
diyodopenicilanico
preparation
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
ES515434A
Other languages
English (en)
Other versions
ES515434A0 (es
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.)
Pfizer Inc
Original Assignee
Pfizer Inc
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 Pfizer Inc filed Critical Pfizer Inc
Publication of ES515434A0 publication Critical patent/ES515434A0/es
Publication of ES8401076A1 publication Critical patent/ES8401076A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D499/00Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D499/04Preparation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D499/00Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

PROCEDIMIENTO MEJORADO PARA LA PREPARACION DE ACIDO 6,6-DIYODOPENICILANICO.CONSISTE EN LAS SIGUIENTES FASES: REACCION DE DIAZOTACION DEL ACIDO 6-B-AMINOPENICILANICO, 6-APA, EN UN DISOLVENTE INERTE A LA REACCION, TAL COMO ACETATO DE ETILO, CLORURO DE METILENO, TOLUENO, ETER DIETILICO Y ETER DIISOPROPILICO, A UNA TEMPERATURA COMPRENDIDA ENTRE LOS 0º C Y LOS 10º C, CON ACIDO SULFURICO Y NITRITO SODICO, EN PRESENCIA DE YODO, QUE SE AGREGA EN FORMA SOLIDA O EN SOLUCION CON UN DISOLVENTE INERTE A LA REACCION, COMO ACETATO DE ETILO, ETER DIETILICO Y OTROS, EN UNAS RELACIONES MOLARES DE 6-APA: NANO 2:2 DE 1:2:1 A 1:2:3 APROXIMADAMENTE; RECUPERACION DEL PRODUCTO DE REACCION POR SEPARACION DE LA FASE ORGANICA SEGUIDA DE EVAPORACION DE LA MISMA; LAVADO DEL RESIDUO SOLIDO ANTERIOR CON UNA SOLUCION ACUOSA DE UN YODURO METALICO ALCALINO, TAL COMO YODURO SODICO O POTASICO, A UNA TEMPERATURA COMPRENDIDA ENTRE 0 Y 100º C, NORMALMENTE A TEMPERATURA AMBIENTE.
ES515434A 1981-09-02 1982-09-01 Mejoras introducidas en un procedimiento de preparacion de acido 6,6-diyodopenicilanico. Expired ES8401076A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/298,678 US4360463A (en) 1981-09-02 1981-09-02 Pure 6,6-diiodopenicillanic acid and process for its preparation

Publications (2)

Publication Number Publication Date
ES515434A0 ES515434A0 (es) 1983-12-01
ES8401076A1 true ES8401076A1 (es) 1983-12-01

Family

ID=23151550

Family Applications (1)

Application Number Title Priority Date Filing Date
ES515434A Expired ES8401076A1 (es) 1981-09-02 1982-09-01 Mejoras introducidas en un procedimiento de preparacion de acido 6,6-diyodopenicilanico.

Country Status (20)

Country Link
US (1) US4360463A (es)
EP (1) EP0073674B1 (es)
JP (1) JPS5883695A (es)
KR (1) KR860000854B1 (es)
AR (1) AR229132A1 (es)
AT (1) ATE17487T1 (es)
AU (1) AU533721B2 (es)
CA (1) CA1171406A (es)
DE (1) DE3268558D1 (es)
DK (1) DK154143C (es)
ES (1) ES8401076A1 (es)
FI (1) FI75164C (es)
GR (1) GR77270B (es)
HU (1) HU187787B (es)
IE (1) IE53648B1 (es)
IL (1) IL66691A (es)
PH (1) PH17619A (es)
PL (1) PL130873B1 (es)
PT (1) PT75490B (es)
YU (1) YU42796B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT76527B (en) * 1982-04-19 1985-12-09 Gist Brocades Nv A process for the preparation of penicillanic acid 1,1-dioxide and derivatives thereof
EP0139047A1 (en) * 1983-10-18 1985-05-02 Gist-Brocades N.V. Process for the preparation of 6,6-dibromopenicillanic acid 1,1-dioxide

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE449103B (sv) 1979-03-05 1987-04-06 Pfizer Sett att framstella penicillansyra-1,1-dioxid samt estrar derav
GB2051046B (en) 1979-05-21 1984-03-28 Leo Pharm Prod Ltd Penicillanic acid derivatives

Also Published As

Publication number Publication date
DE3268558D1 (en) 1986-02-27
DK391482A (da) 1983-03-03
HU187787B (en) 1986-02-28
DK154143B (da) 1988-10-17
YU42796B (en) 1988-12-31
US4360463A (en) 1982-11-23
IE822117L (en) 1983-03-02
PH17619A (en) 1984-10-05
JPS5883695A (ja) 1983-05-19
AU533721B2 (en) 1983-12-08
IL66691A0 (en) 1982-12-31
EP0073674B1 (en) 1986-01-15
AU8790882A (en) 1983-03-31
FI75164B (fi) 1988-01-29
PL238107A1 (en) 1983-05-09
KR840001179A (ko) 1984-03-28
GR77270B (es) 1984-09-11
ES515434A0 (es) 1983-12-01
KR860000854B1 (ko) 1986-07-09
PT75490A (en) 1982-10-01
EP0073674A1 (en) 1983-03-09
PT75490B (en) 1985-11-12
PL130873B1 (en) 1984-09-29
IE53648B1 (en) 1989-01-04
FI823025L (fi) 1983-03-03
ATE17487T1 (de) 1986-02-15
FI75164C (fi) 1988-05-09
FI823025A0 (fi) 1982-09-01
AR229132A1 (es) 1983-06-15
CA1171406A (en) 1984-07-24
JPH0310633B2 (es) 1991-02-14
YU196982A (en) 1984-12-31
DK154143C (da) 1989-03-13
IL66691A (en) 1985-03-31

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