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EP0253378A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

13-Beta-alkyl derivatives of S541-antibiotics for combating parasites in domestic animals and plants

Assignee: Novartis AG
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Filing: 1987-07-15
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Granted: —
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Expires: 2007-07-15
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Abstract

Abstract Translated from German Es werden parasitizid und insektizid hochaktive Wirkstoffe der Fomel I worin R für C 1 -C 10 -Alkyl steht; R 1 Wasserstoff, eine Methyl-, Acyl- oder eine Silylgruppe repräsentiert; R 2 für Methyl, Ethyl oder Isopropyl steht; und R 3 Wasserstoff oder eine OH-Gruppe bedeutet; wobei, wenn R 3 Wasserstoff ist, eine 22, 23-Doppelbindung oder -Einfachbindung vorliegt und, wenn R 3 eine OH-Gruppe bedeutet, eine 22,23-Enfachbindung vorliegt, beschrieben, sowie Ihre Herstellung ausgehend von den entsprechend substituierten 15-Ester bzw. 13ß-Ester von Antibiotika S541. There are parasiticidal and insecticidal highly active ingredients of Fomel I wherein R represents C 1 -C 10 alkyl; R 1 represents hydrogen, a methyl, acyl or a silyl group; R 2 represents methyl, ethyl or isopropyl; and R 3 represents hydrogen or an OH group; where, when R 3 is hydrogen, there is a 22, 23 double bond or single bond and, if R 3 is an OH group, a 22.23 single bond is present, and their preparation is based on the correspondingly substituted 15 esters or 13β-ester of antibiotics S541.

Inventors

  • 👤 Kurt Dr. Gubler
  • 👤 Yoshihisa Tsukamoto
  • 👤 Kazuo Dr. Sato
  • 👤 Toshiaki Yanai

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-03 22:02
CPC Classifications
C; C07; C07D; C07D493/00; C07D493/22; C07H; C07H19/00; C07H19/01; A; A01; A01N; A01N43/00; A01N43/90; A01N49/00; A61; A61K; A61K31/00; A61K31/33; A61K31/335; A61K31/365; A61P; A61P33/00; A61P33/10

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