CS8902302A2 - Method of beta-lactam derivatives production - Google Patents

Method of beta-lactam derivatives production

Info

Publication number
CS8902302A2
CS8902302A2 CS230289A CS230289A CS8902302A2 CS 8902302 A2 CS8902302 A2 CS 8902302A2 CS 230289 A CS230289 A CS 230289A CS 230289 A CS230289 A CS 230289A CS 8902302 A2 CS8902302 A2 CS 8902302A2
Authority
CS
Czechoslovakia
Prior art keywords
alkyl
benzyl
phenyl
straight
cycloalkyl
Prior art date
Application number
CS230289A
Other languages
Czech (cs)
Other versions
CS277027B6 (en
Inventor
Pierluigi Bissolino
Marco Alpegiani
Ettore Perrone
Piergiuseppe Orezzi
Giuseppe Cassinelli
Giovanni Franceschi
Original Assignee
Erba Carlo Spa
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 GB8800701A external-priority patent/GB2210334A/en
Application filed by Erba Carlo Spa filed Critical Erba Carlo Spa
Publication of CS8902302A2 publication Critical patent/CS8902302A2/en
Publication of CS277027B6 publication Critical patent/CS277027B6/en

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  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Peptides Or Proteins (AREA)
  • Cephalosporin Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

4-Acylcephem sulphones and 3-acylpenam sulphones of formula (Ia) and (Ib) resp. and their salts are new: A = H; 1-12C straight or branched alkyl; 2-10C alkenyl; 6-10C aryl; 3-8C cycloalkyl; 5-8C cycloalkenyl; aralkyl, aralkenyl, aralkynyl or (cycloalkyl)alkyl in which the aryl cycloalkyl, alkyl, alkenyl and alkynyl gps. are as defined above; etc.R1 = (1) Cl, F, Br or I; (2) A as defined above; (3) O-A; (4) S(O)nA; (5) OC(O)A; (6) OSO2A; or (7) NHC(O)A or NH2; R1 and R11 each = 1-7C straight or branched alkyl, phenyl or benzyl; t = 0-3; R111 = 1-7C straight or branched alkyl, phenyl, benzyl, CH2CH2CO2H or CH2CH2CH2CO2H; Z = mono-, di- or tri-peptide composed of D- or L-alpha-aminoacids, namely Ala, Gly, Val, He, Leu, Phe or Pro, with the terminal amino gp. either free, or acylated by a gp. C(O)R111 or C(O)OR111; H, 1-4C alkyl, 1-4C alkanoyloxy or Cl, Br or F; R3 = H, 1-4C alkyl, 1-4C alkoxy, benzyl, halo or =CH2 or CHR1111; R1111 = 1-4C alkyl, phenyl, COOH or 1-4C alkoxycarbonyl; R1 = (1) A; (2) Cl or F; (3) O-A; (4) S(O)nA; (5) C(O)A, C(O) OA or CO2H; (6) CH2-O-A; (7) CH2S(O)nA; (8) CH2OC(O)A or CH2-O-Z; (9) CH2SC(O)A; (10) CH2-N(A)A1; (11) -CH2N(+)(A)(A1)(A11); or (12) -CH2NH-C(O)A or CH2-NH-Z; A1 = same or different A gp.; or NAA1 = heterocyclic ring; A11 = as for A1; or NA1A11 = heterocyclic ring; or NAA1A11 = aromatic heterocyclic ring.
CS230289A 1988-01-13 1989-04-13 Process for preparing beta-lactam derivatives CS277027B6 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8800701A GB2210334A (en) 1987-10-02 1988-01-13 Floating production system and vessel for undersea oil well

Publications (2)

Publication Number Publication Date
CS8902302A2 true CS8902302A2 (en) 1991-03-12
CS277027B6 CS277027B6 (en) 1992-11-18

Family

ID=10629877

Family Applications (1)

Application Number Title Priority Date Filing Date
CS230289A CS277027B6 (en) 1988-01-13 1989-04-13 Process for preparing beta-lactam derivatives

Country Status (1)

Country Link
CS (1) CS277027B6 (en)

Also Published As

Publication number Publication date
CS277027B6 (en) 1992-11-18

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