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ES2055656B1 - PROCEDURE FOR OBTAINING USEFUL BENZOXAZINES FOR SYNTHESIS OF OFLOXACIN, LEVOFLOXACIN AND DERIVATIVES. - Google Patents

PROCEDURE FOR OBTAINING USEFUL BENZOXAZINES FOR SYNTHESIS OF OFLOXACIN, LEVOFLOXACIN AND DERIVATIVES.

Info

Publication number
ES2055656B1
ES2055656B1 ES9201983A ES9201983A ES2055656B1 ES 2055656 B1 ES2055656 B1 ES 2055656B1 ES 9201983 A ES9201983 A ES 9201983A ES 9201983 A ES9201983 A ES 9201983A ES 2055656 B1 ES2055656 B1 ES 2055656B1
Authority
ES
Spain
Prior art keywords
benzoxazines
synthesis
levofloxacin
ofloxacin
derivatives
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 - Lifetime
Application number
ES9201983A
Other languages
Spanish (es)
Other versions
ES2055656A1 (en
Inventor
Gonzalvez Juan Carlo Carretero
Sanchez Mercedes Vicioso
Ruano Jose Luis Garcia
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.)
Deretil SA
Original Assignee
Derivados del Etilo 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 Derivados del Etilo SA filed Critical Derivados del Etilo SA
Priority to ES9201983A priority Critical patent/ES2055656B1/en
Priority to ES9302080A priority patent/ES2069500B1/en
Priority to KR1019940701925A priority patent/KR0131914B1/en
Priority to EP93921930A priority patent/EP0619311A1/en
Priority to CA002125287A priority patent/CA2125287A1/en
Priority to JP6508738A priority patent/JPH07501835A/en
Priority to PCT/ES1993/000080 priority patent/WO1994007873A1/en
Priority to US08/244,455 priority patent/US5521310A/en
Priority to AU51118/93A priority patent/AU674542B2/en
Publication of ES2055656A1 publication Critical patent/ES2055656A1/en
Application granted granted Critical
Publication of ES2055656B1 publication Critical patent/ES2055656B1/en
Priority to AU65878/96A priority patent/AU686955B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE BENZOXAZINAS UTILES PARA LA SINTESIS DE OFLOXACINA, LEVOFLOXACINA Y DERIVADOS. PROCEDIMIENTO PARA LA OBTENCION DE BENZOXAZINAS UTILES PARA LA SINTESIS DE OFLOXACINA, LEVOFLOXACINA Y DERIVADOS. LAS BENZOXAZINAS (I) DONDE XB ES UN HALOGENO Y RSI1 SC ES H, ALQUILO O ALQUILENO DE HASTA 6 ATOMOS DE C O ARILO, PUEDEN OBTENERSE POR CICLACION DE UN COMPUESTO DE FORMULA (II) POR REACCION CON TRIFENILFOSFINA Y AZODICARBOXILATO DE ETILO. LOS COMPUESTOS DE FORMULA (II) PUEDEN OBTENERSE POR REACCION DE UN COMPUESTO (III) CON UN EPOXIDO ADECUADO. MEDIANTE LA UTILIZACION DEL EPOXIDO QUIRAL ADECUADO SE PUEDE OBTENER EL INTERMEDIO ENANTIOMERICAMENTE DESEADO Y CONSECUENTEMENTE PUEDE OBTENERSE SELECTIVAMENTE EL PRODUCTO FINAL DESEADO CON LA FORMA ENANTIOMERICA ADECUADA SIN NECESIDAD DE REALIZAR NINGUNA ETAPA DE RESOLUCION. LOS COMPUESTOS (I) SON INTERMEDIOS VALIOSOS Y CLAVES PARA LA SINTESIS DE LOS ANTIMICROBIANOS OFLOXACINA Y LEVOFLOXACINA.PROCEDURE TO OBTAIN USEFUL BENZOXAZINES FOR THE SYNTHESIS OF OFLOXACIN, LEVOFLOXACIN AND DERIVATIVES. PROCEDURE TO OBTAIN USEFUL BENZOXAZINES FOR THE SYNTHESIS OF OFLOXACIN, LEVOFLOXACIN AND DERIVATIVES. THE BENZOXAZINES (I) WHERE XB IS A HALOGEN AND RSI1 SC IS H, ALKYL OR ALKYLENE OF UP TO 6 ATOMS OF C OR ARYL, MAY BE OBTAINED BY CYCLING OF A COMPOUND OF FORMULA (II) BY REACTION WITH TRYPHENYLPHOSPHINE. FORMULA (II) COMPOUNDS MAY BE OBTAINED BY REACTION OF A COMPOUND (III) WITH A SUITABLE EPOXIDE. THROUGH THE USE OF THE APPROPRIATE CHIRAL EPOXIDE, THE INTERMEDIATE ENANTIOMERICALLY DESIRED CAN BE OBTAINED AND, THEREFORE, THE DESIRED FINAL PRODUCT CAN BE OBTAINED SELECTIVELY WITH THE SUITABLE ENANTIOMERIC WAY WITHOUT THE NEED TO PERFORM ANY WAY. COMPOUNDS (I) ARE VALUABLE AND KEY INTERMEDIATES FOR THE SYNTHESIS OF THE ANTIMICROBIALS OFLOXACINA AND LEVOFLOXACINA.

ES9201983A 1992-10-07 1992-10-07 PROCEDURE FOR OBTAINING USEFUL BENZOXAZINES FOR SYNTHESIS OF OFLOXACIN, LEVOFLOXACIN AND DERIVATIVES. Expired - Lifetime ES2055656B1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
ES9201983A ES2055656B1 (en) 1992-10-07 1992-10-07 PROCEDURE FOR OBTAINING USEFUL BENZOXAZINES FOR SYNTHESIS OF OFLOXACIN, LEVOFLOXACIN AND DERIVATIVES.
ES9302080A ES2069500B1 (en) 1992-10-07 1993-10-04 IMPROVEMENTS INTRODUCED IN THE PURPOSE OF THE SPANISH PATENT N 9201983 FOR "PROCEDURE TO OBTAIN USEFUL BENZOXAZINES FOR THE SYNTHESIS OF OFLEXACINE, LEVOFLOXACIN AND DERIVATIVES.
EP93921930A EP0619311A1 (en) 1992-10-07 1993-10-06 Process for obtaining benzoxazines useful for the synthesis of ofloxacin, levofloxacin and derivatives thereof
CA002125287A CA2125287A1 (en) 1992-10-07 1993-10-06 Process to obtain benzoxazines to be used for the synthesis of ofloxazine, levofloxazine and derivatives
JP6508738A JPH07501835A (en) 1992-10-07 1993-10-06 Process for producing benzoxazine used in the synthesis of ofloxazine, levofloxazine and derivatives
PCT/ES1993/000080 WO1994007873A1 (en) 1992-10-07 1993-10-06 Process for obtaining benzoxazines useful for the synthesis of ofloxacin, levofloxacin and derivatives thereof
KR1019940701925A KR0131914B1 (en) 1992-10-07 1993-10-06 Process for obtaining benzoxanines useful for the synthesis of ofloxacin, levofloxacin and derivatives and derivatives thereof
US08/244,455 US5521310A (en) 1992-10-07 1993-10-06 Process to obtain benzoxazines to be used for the synthesis of ofloxazine, levofloxazine and derivatives
AU51118/93A AU674542B2 (en) 1992-10-07 1993-10-06 Process for obtaining benzoxazines useful for the synthesis of ofloxacin, levofloxacin and derivatives thereof
AU65878/96A AU686955B2 (en) 1992-10-07 1996-09-27 Process to obtain benzoxazines to be used for the synthesis of ofloxazine, levofloxazine and derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES9201983A ES2055656B1 (en) 1992-10-07 1992-10-07 PROCEDURE FOR OBTAINING USEFUL BENZOXAZINES FOR SYNTHESIS OF OFLOXACIN, LEVOFLOXACIN AND DERIVATIVES.

Publications (2)

Publication Number Publication Date
ES2055656A1 ES2055656A1 (en) 1994-08-16
ES2055656B1 true ES2055656B1 (en) 1995-11-16

Family

ID=8278329

Family Applications (2)

Application Number Title Priority Date Filing Date
ES9201983A Expired - Lifetime ES2055656B1 (en) 1992-10-07 1992-10-07 PROCEDURE FOR OBTAINING USEFUL BENZOXAZINES FOR SYNTHESIS OF OFLOXACIN, LEVOFLOXACIN AND DERIVATIVES.
ES9302080A Expired - Lifetime ES2069500B1 (en) 1992-10-07 1993-10-04 IMPROVEMENTS INTRODUCED IN THE PURPOSE OF THE SPANISH PATENT N 9201983 FOR "PROCEDURE TO OBTAIN USEFUL BENZOXAZINES FOR THE SYNTHESIS OF OFLEXACINE, LEVOFLOXACIN AND DERIVATIVES.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES9302080A Expired - Lifetime ES2069500B1 (en) 1992-10-07 1993-10-04 IMPROVEMENTS INTRODUCED IN THE PURPOSE OF THE SPANISH PATENT N 9201983 FOR "PROCEDURE TO OBTAIN USEFUL BENZOXAZINES FOR THE SYNTHESIS OF OFLEXACINE, LEVOFLOXACIN AND DERIVATIVES.

Country Status (1)

Country Link
ES (2) ES2055656B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003028664A2 (en) 2001-10-03 2003-04-10 Teva Pharmaceutical Industries Ltd. Preparation of levofloxacin and forms thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO166131C (en) * 1985-06-20 1991-06-05 Daiichi Seiyaku Co ANALOGUE PROCEDURE FOR THE PREPARATION OF S (-) - PYRIDOBENZOKSAZINE COMPOUNDS.
DE3522406A1 (en) * 1985-06-22 1987-01-02 Bayer Ag METHOD FOR PRODUCING 1,8-BRIDGED 4-CHINOLON-3-CARBONIC ACIDS
US4826985A (en) * 1986-04-25 1989-05-02 Abbott Laboratories Intermediates for preparation of racemate and optically active ofloxacin and related derivatives
DE3639465A1 (en) * 1986-11-18 1988-05-19 Hoechst Ag OPTICALLY ACTIVE GYRASE INHIBITORS, THEIR PRODUCTION AND USE AS ANTIBIOTICS
ES2061481T3 (en) * 1986-12-25 1994-12-16 Daiichi Seiyaku Co DERIVATIVES OF 3,4-DIHYDROBENZOAZINE OPTICALLY ACTIVE AND PROCEDURE FOR THE PREPARATION OF THE SAME.
NO172846C (en) * 1987-12-25 1993-09-15 Daiichi Seiyaku Co PROCEDURE FOR PREPARING 7,8-DIHALOGEN-3-METHYL-2,3-DIHYDRO-2M-BENZOCSAZINE DERIVATIVES AND PROPOXYBENZEN DERIVATIVES FOR EXERCISING THE PROCEDURE.

Also Published As

Publication number Publication date
ES2069500B1 (en) 1996-03-01
ES2069500A1 (en) 1995-05-01
ES2055656A1 (en) 1994-08-16

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