Nomenclature
CAS number: 53-10-1
21-(3-Carboxy-1-oxopropoxy)-5β-pregnane-3,20-dione sodium salt; 21-hydroxypregnane-3,20-dione sodium hemisuccinate; hydroxydione succinate; Presuren; Viadril.
C
25H
35NaO
6; mol wt 454.53.
C 66.06%, H 7.76%, Na 5.06%, O 21.12%.
Description and references
Prepd by palladium reduction of deoxycorticosterone
followed by treatment with succinic anhydride and formation of the
sodium salt: Laubach, US 2708651 (1955 to Pfizer); Laubach et al., Science 122, 78 (1955).
Properties
Lyophilized, fluffy white powder. Dec 193-203°.
uv max: 280 nm (ε 93.2). Sol in water, in mildly alkaline buffer
solns, acetone, chloroform. pH of 2% aq soln 8.5-9.8.Derivative
Free acid.
Properties
mp 195-197°. [α]D20 +95° in chloroform.Therapeutic Category
Anesthetic (intravenous).
Keywords
Anesthetic (Intravenous)