Suggested Reaction 1.14.16.-

Left

4beta-Hydroxymethyl-4alpha-methyl-5alpha-cholest-7-en-3beta-ol
+6,7-Dihydrobiopterin
+H2O

Right

4,4-Dimethyl-5alpha-cholest-7-en-3beta-ol
+2-Amino-6-(1,2-dihydroxypropyl)-5,6,7,8-tetrahydoro-4(1H)- pteridinone
+O2
[BiSSCat | GREP ]