this report describes the chemical synthesis of six new bile acid analogs , namely , 3 alpha,7 alpha,12 alpha-trihydroxy-7 beta-methyl-5 beta-cholanoic acid ( 7 beta-methyl-cholic acid ) , 3 alpha,7 beta,12 alpha-trihydroxy-7 alpha-methyl-5 beta-cholanoic acid ( 7 alpha-methyl-ursocholic acid ) , 3 alpha,12 alpha-dihydroxy-7 xi-methyl-5 beta-cholanoic acid ( 7 xi-methyl-deoxycholic acid ) , 3 alpha,12 alpha-dihydroxy-7-methyl-5 beta-chol-7-en-24-oic acid , 3 alpha,12 alpha-dihydroxy-7-methyl-5 beta-chol-6-en-24-oic acid , and 3 alpha,12 alpha-dihydroxy-7-methylene-5 beta-cholan-24-oic acid .
C0042105
ursocholic acid
C0011479
deoxycholic