C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/237.1, 260/2
C07D 498/18 (2006.01)
Patent
CA 1132981
Abstract of the Disclosure Novel maytansinoids of the formula: Image wherein X is H or Cl, and R is Image or -OR3 wherein R1 and R2 may be the same or different, and each is H or a substituted or unsubstituted hydrocarbon residue or heterocyclic group, or R1 and R2 may, taken together with the adjacent N atom, form a heterocyclic group, and R3 is a substituted or unsubstituted hydrocarbon residue, have antimitotic, antitumor and antimicrobial activities.
340192
Akimoto Hiroshi
Miyashita Osamu
Fetherstonhaugh & Co.
Takeda Chemical Industries Ltd.
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