| Title:  Troleandomycin CAS Registry Number:  2751-09-9 CAS Name:  Oleandomycin triacetate ester Additional Names:  triacetyloleandomycin Manufacturers' Codes:  NSC-108166 Trademarks:  Cyclamycin (Wyeth);  Wytrion (Wyeth);  Evramycin (Wyeth);  TAO (Roerig);  Triocetin (OFF) Molecular Formula:  C41H67NO15 Molecular Weight:  813.97 Percent Composition:  C 60.50%, H 8.30%, N 1.72%, O 29.48% Literature References:  Semi-synthetic macrolide antibiotic.  Prepd from oleandomycin:  Celmer et al., Antibiot. Annu. 1957-1958, p 476; GB 877730 (1958 to Pfizer); M. Khristov, N. Petkov, Farmatsiya (Sofia) 27, 1 (1977), C.A. 90, 23458c (1979).  Review:  S. Ross, Antimicrobial Therapy, B. M. Kagan, Ed. (Saunders, Philadelphia, 1970) pp 134-144. Properties:  Crystals from isopropanol.  Practically tasteless.  Dec 176°.  [a]D25 -23° (methanol).  pKa 6.6.  Soly in water <0.1 g/100 ml. pKa:  pKa 6.6 Optical Rotation:  [a]D25 -23° (methanol) Therap-Cat:  Antibacterial. Keywords:  Antibacterial (Antibiotics); Macrolides.  |