C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/237.1
C07D 245/04 (2006.01) C07D 498/18 (2006.01)
Patent
CA 1135260
Abstract of the Disclosure Novel maytansinoids of the formula: Image wherein Y is H or Cl, and R is C2-15alkyl, phenyl-C1-4alkyl, pyridyl-C1-4alkyl, imidazolyl-C1-4alkyl, indolyl-C1-4alkyl, furyl-C1-4alkyl or thienyl-C1-4alkyl, any of said groups being substituted by hydroxyl, halogen or C1-5alkanoyloxy at its .alpha.- and/or .beta.-position, have antimitotic, antitumor and antimicrobial activities.
353518
Akimoto Hiroshi
Miyashita Osamu
Fetherstonhaugh & Co.
Takeda Chemical Industries Ltd.
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