CS968787A2 - Process for preparing heat stable crystalline cephalosporines - Google Patents

Process for preparing heat stable crystalline cephalosporines

Info

Publication number
CS968787A2
CS968787A2 CS879687A CS968787A CS968787A2 CS 968787 A2 CS968787 A2 CS 968787A2 CS 879687 A CS879687 A CS 879687A CS 968787 A CS968787 A CS 968787A CS 968787 A2 CS968787 A2 CS 968787A2
Authority
CS
Czechoslovakia
Prior art keywords
cephalosporines
heat stable
stable crystalline
preparing heat
preparing
Prior art date
Application number
CS879687A
Other languages
English (en)
Other versions
CS262699B2 (cs
Inventor
Steven Peter Brundidge
Paul Raymond Brodfuehrer
Chet Sapino Jr
Kun Mao Shih
Donald Gilmore Walker
Original Assignee
Bristol Myers 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
Priority claimed from CS866115A external-priority patent/CS262674B2/cs
Application filed by Bristol Myers Co filed Critical Bristol Myers Co
Publication of CS968787A2 publication Critical patent/CS968787A2/cs
Publication of CS262699B2 publication Critical patent/CS262699B2/cs

Links

CS879687A 1985-08-20 1987-12-22 Způsob výroby stabilních krystalických ceíailospoirinů obecného vzorce I, kde X je chlorovodík nebo jodbvodík, spočívající v reakci sloučeniny vzorce VL s roztokem sloučeniny vzorce IVa v 1,1,2-trichlortrifluore- thanu, v odštěpení sílyfových skupin, působením nižšího alkanolu a v okyselení produktu chlorovodíkem nebo jodovodíkem. Vyrobené sloučeniny slouží jako meziprodukty pro přípravu cefalosporinových antibiotik se širokým spektrem účinku. CS262699B2 (cs)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US76756185A 1985-08-20 1985-08-20
CS866115A CS262674B2 (en) 1985-08-20 1986-08-20 Process for preparing heat stable crystalline cephalosporines

Publications (2)

Publication Number Publication Date
CS968787A2 true CS968787A2 (en) 1988-08-16
CS262699B2 CS262699B2 (cs) 1989-03-14

Family

ID=25746317

Family Applications (1)

Application Number Title Priority Date Filing Date
CS879687A CS262699B2 (cs) 1985-08-20 1987-12-22 Způsob výroby stabilních krystalických ceíailospoirinů obecného vzorce I, kde X je chlorovodík nebo jodbvodík, spočívající v reakci sloučeniny vzorce VL s roztokem sloučeniny vzorce IVa v 1,1,2-trichlortrifluore- thanu, v odštěpení sílyfových skupin, působením nižšího alkanolu a v okyselení produktu chlorovodíkem nebo jodovodíkem. Vyrobené sloučeniny slouží jako meziprodukty pro přípravu cefalosporinových antibiotik se širokým spektrem účinku.

Country Status (1)

Country Link
CS (1) CS262699B2 (cs)

Also Published As

Publication number Publication date
CS262699B2 (cs) 1989-03-14

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Legal Events

Date Code Title Description
IF00 In force as of 2000-06-30 in czech republic
MK4A Patent expired

Effective date: 20010820