Title:  Prostaglandin E2 
CAS Registry Number:  363-24-6 
CAS Name:  (5Z,11a,13E,15S)-11,15-Dihydroxy-9-oxoprosta-5,13-dien-1-oic acid 
Additional Names:  7-[3-hydroxy-2-(3-hydroxy-1-octenyl)-5-oxocyclopentyl]-5-heptenoic acid;  dinoprostone;  PGE2 
Manufacturers' Codes:  U-12062 
Trademarks:  Minprostin E2 (Pharmacia);  Prepidil (Pharmacia & Upjohn);  Propess (Ferring);  Prostin E2 (Pharmacia & Upjohn) 
Molecular Formula:  C20H32O5 
Molecular Weight:  352.47 
Percent Composition:  C 68.15%, H 9.15%, O 22.70% 
Literature References:  The most common and most biologically potent of mammalian prostaglandins.  Isoln from sheep prostate:  S. Bergström, J. Sjövall, GB 851827; eidem, US 3598858 (1960, 1971); from sheep seminal vesicle tissue:  S. Bergström et al., Acta Chem. Scand. 16, 501 (1962).  Total synthesis of the dl-form:  W. P. Schneider, Chem. Commun. 1969, 304; E. J. Corey et al., J. Am. Chem. Soc. 91, 5675 (1969); E. J. Corey et al., Tetrahedron Lett. 1970, 307; W. P. Schneider, DE 2011969 (1970 to Upjohn), C.A. 74, 87486n (1971); J. Fried et al., J. Am. Chem. Soc. 94, 4342 (1972).  Synthesis of naturally occurring form:  E. J. Corey et al., ibid. 92, 397, 2586 (1970); J. B. Heather et al., Tetrahedron Lett. 1973, 2313; from Plexaura homomalla prostaglandin intermediates:  G. L. Bundy et al., J. Am. Chem. Soc. 94, 2123 (1972); W. P. Schneider et al., Chem. Commun. 1973, 254.  Biosynthesis:  D. A. Van Dorp et al., Biochim. Biophys. Acta 90, 204 (1964); S. Bergström et al., ibid. 207; NL 6505799 (1965 to Unilever), C.A. 65, 7584h (1966).  Metabolism:  E. Anggard, B. Samuelsson, Mem. Soc. Endocrinol., no. 14, 107 (1966); M. Hamberg, B. Samuelsson, J. Biol. Chem. 246, 6713 (1971).  Several reviews in Prostaglandin Symp. Worcester Found. Exp. Biol., P. Ramwell, Ed. (Interscience, New York, 1968).  For general refs see Prostaglandins. 
Properties:  Natural form, colorless crystals.  mp 66-68°.  [a]D26 -61° (c = 1 in tetrahydrofuran).  Easily dehydrated in soln at pHs <4 or >8. 
Melting point:  mp 66-68° 
Optical Rotation:  [a]D26 -61° (c = 1 in tetrahydrofuran) 
Therap-Cat:  Oxytocic; abortifacient. 
Keywords:  Abortifacient/Interceptive; Oxytocic; Prostaglandin/Prostaglandin Analog.   |