| Title:  Dehydroepiandrosterone CAS Registry Number:  53-43-0 CAS Name:  (3b)-3-Hydroxyandrost-5-en-17-one Additional Names:  prasterone;  dehydroisoandrosterone;  trans-dehydroandrosterone;  D5-androsten-3b-ol-17-one;  DHEA Molecular Formula:  C19H28O2 Molecular Weight:  288.42 Percent Composition:  C 79.12%, H 9.79%, O 11.09% Literature References:  Major secretory steroidal product of the adrenal gland; secretion progressively declines with aging.  May have estrogen- or androgen-like effects depending on the hormonal milieu.  Intracellularly converted to androstenedione, q.v.  Isoln from male urine:  Butenandt, Tscherning, Z. Physiol. Chem. 229, 167 (1934); Butenandt, Dannenbaum, ibid. 192.  Prepn from cholesterol:  Butenandt et al., ibid. 237, 57 (1935); Ruzicka, Wettstein, Helv. Chim. Acta 18, 986 (1935); Wallis, Fernholz, J. Am. Chem. Soc. 57, 1379, 1504 (1935); Schoeller et al., Naturwissenschaften 23, 337 (1935); from sitosterol:  Oppenauer, Nature 135, 1039 (1935).  High yield prepn:  H. Hosoda et al., J. Org. Chem. 38, 4209 (1973).  Metabolism study:  P. Knapstein et al. Acta Endocrinol. 58, 261 (1968).  Toxicity study of the sulfate:  M. Yahara et al., J. Toxicol. Sci. 2, 161 (1977).  Clinical evaluation in hormone replacement therapy:  A. J. Morales et al., J. Clin. Endocrinol. Metab. 78, 1360 (1994); in systemic lupus erythematosus:  R. F. van Vollenhoven et al., Arthritis Rheum. 38, 1826 (1995).  Review of physiological importance:  P. Ebeling, V. A. Koivisto, Lancet 343, 1479-1481 (1994).  Symposium on role in aging:  Ann. N.Y. Acad. Sci. 774, 1-350 (1995).  Review of therapeutic potential:  B. Allolio, W. Arlt, Trends Endocrinol. Metab. 13, 288-294 (2002). Properties:  Dimorphous, needles, mp 140-141°; leaflets, mp 152-153°.  [a]18D +10.9° (c = 0.4 in alc).  Pptd by digitonin.  Sol in benzene, alcohol, ether; sparingly sol in chloroform, petr ether. Melting point:  mp 140-141°; mp 152-153° Optical Rotation:  [a]18D +10.9° (c = 0.4 in alc)   Derivative Type:  Sulfate  CAS Registry Number:  651-48-9 Additional Names:  DHEAS Molecular Formula:  C19H28O5S Molecular Weight:  368.49 Percent Composition:  C 61.93%, H 7.66%, O 21.71%, S 8.70% Literature References:  Hydrophilic storage form that circulates in the blood.   Derivative Type:  Sodium sulfate  CAS Registry Number:  1099-87-2 Additional Names:  Sodium dehydroepiandrosterone sulfate Trademarks:  Astenile (Recordati);  Mylis (Kanebo) Molecular Formula:  C19H27NaO5S Molecular Weight:  390.47 Percent Composition:  C 58.44%, H 6.97%, Na 5.89%, O 20.49%, S 8.21% Properties:  White cryst powder, mp 154° (dec).  Sol in methanol, slightly sol in water, abs ethanol.  Practically insol in acetone, chloroform, benzene. Melting point:  mp 154° (dec)   Therap-Cat:  In treatment of menopausal syndrome. Keywords:  Androgen.  |