ES8301875A1 - "procedimiento de obtencion de derivados de bifenilo". - Google Patents

"procedimiento de obtencion de derivados de bifenilo".

Info

Publication number
ES8301875A1
ES8301875A1 ES509086A ES509086A ES8301875A1 ES 8301875 A1 ES8301875 A1 ES 8301875A1 ES 509086 A ES509086 A ES 509086A ES 509086 A ES509086 A ES 509086A ES 8301875 A1 ES8301875 A1 ES 8301875A1
Authority
ES
Spain
Prior art keywords
obtaining
bifenyl
translation
derivatives
procedure
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
ES509086A
Other languages
English (en)
Other versions
ES509086A0 (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.)
Ferrer Internacional SA
Original Assignee
Ferrer Internacional 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 Ferrer Internacional SA filed Critical Ferrer Internacional SA
Priority to ES509086A priority Critical patent/ES8301875A1/es
Publication of ES509086A0 publication Critical patent/ES509086A0/es
Publication of ES8301875A1 publication Critical patent/ES8301875A1/es
Expired legal-status Critical Current

Links

Landscapes

  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

PROCEDIMIENTO PARA LA OBTENCION DE DERIVADOS DE BIFENILO DE FORMULA (I) O (II). CONSISTE EN LA BROMACION DE 2,4-DINITRO-4''-METOXIBIFENILO EN ACIDO ACETICO O AGUA EN PRESENCIA DE CLORURO FERRICO; REDUCCION DEL PRODUCTO OBTENIDO CON CLORURO ESTANNOSO EN DISOLUCION ALCOHOLICA ACIDIFICADA CON CLORHIDRICO, A REFLUJO; AISLAMIENTO EN FORMA DE DICLORHIDRATO; DIAZOTACION, TRATAMIENTO CON ACIDO FLUOBORICO Y DESCOMPOSICION TERMICA; HIDROLISIS, REACCION CON CIANURO CUPROSO, E HIDROLISIS CON ACIDO BROMHIDRICO EN ACIDO ACETICO, OBTENIENDOSE EL COMPUESTO (I). SE TRATA CON AZIDA SODICA Y CLORURO AMONICO EN DISOLVENTE APROTICO A 120<025>C, OBTENIENDOSE EL COMPUESTO (II). ESTOS COMPUESTOS TIENEN APLICACIONES FARMACOLOGICAS COMO ANALGESICOS.
ES509086A 1982-01-12 1982-01-12 "procedimiento de obtencion de derivados de bifenilo". Expired ES8301875A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES509086A ES8301875A1 (es) 1982-01-12 1982-01-12 "procedimiento de obtencion de derivados de bifenilo".

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES509086A ES8301875A1 (es) 1982-01-12 1982-01-12 "procedimiento de obtencion de derivados de bifenilo".

Publications (2)

Publication Number Publication Date
ES509086A0 ES509086A0 (es) 1983-01-01
ES8301875A1 true ES8301875A1 (es) 1983-01-01

Family

ID=8483564

Family Applications (1)

Application Number Title Priority Date Filing Date
ES509086A Expired ES8301875A1 (es) 1982-01-12 1982-01-12 "procedimiento de obtencion de derivados de bifenilo".

Country Status (1)

Country Link
ES (1) ES8301875A1 (es)

Also Published As

Publication number Publication date
ES509086A0 (es) 1983-01-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971103