71203-48-0Relevant articles and documents
Efficient and scalable total synthesis of calcitroic acid and its 13C-labeled derivative
Meyer, Daniel,Rentsch, Lara,Marti, Roger
, p. 32327 - 32334 (2014/08/18)
Calcitroic acid, the deactivated form of the physiological active vitamin D3 metabolite calcitrol, and its 13C labeled derivative has been synthesized starting from the commercially available Inhoffen-Lythgoe diol in 11 steps with an
Unsaturated Steroids. Part 12. Synthesis of 1α,3β-Dihydroxy-24-nor-9,10-secochola-5,7,10(19)trien-23-oic (Calcitroic) Acid and of the Cholic- and 25-Homocholic Acid Analogues
Costa, Brian R. de,Makk, Nandor,Midgley, John M.,Modi, Najmuddin T.,Watt, Robert A.,Whalley, W. Basil
, p. 1331 - 1336 (2007/10/02)
The three title compounds were synthesized by the same general method.Thus, methyl 3β-hydroxy-24-nor-5α-chol-7-en-23-oate (3;R=CO2Me), derived from 3β-acetoxypregn-7-ene-22-carbaldehyde (2), gave methyl 3-oxo-24-nor-5α-chol-7-en-23-oate (4;R=H,R'=CH3).Bro