2,3-Seco-cholestane-2,3-dioic acid

Schmidt rearrangement, 144 2,3-Seco-cholestane-2,3-dioic acid, 356... [Pg.463]

The position of the keto group of A-homo-5a-cholestan-3-one (5b) was determined by Nelson and Schut by an unambiguous synthesis of ketone (5b) involving bis-homologation of 2,3-seco-5a-cholestane-2,3-dioic acid (8) using the Arndt-Eistert sequence [(9) (11)]. [Pg.356]

Cyclic anhydrides are also obtained from maleic acid, o-phthalic acid and 2,3-seco-5a-cholestane-2,3-dioic acid." ... [Pg.94]

Heterocyclic steroids. 2,3-Seco-5a-cholestane-2,3-dioic acid (1) is converted into the anhydride (2) in high yield by DCC in dioxane at room temperature. ... [Pg.851]

Dicarboylic acid anhydrides from dicarboxylic acids. 2,3 - Seco - 5a -cholestane-2,3-dioic acid in dry dioxane treated at room temp, with the equivalent amount of N,N -dicyclohexylcarbodiimide... [Pg.547]

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