title: C(10)-methylation of steroidal synthesis intermediate BCD-tricyclic 9-en-5-ones.
mesh_terms: D000730:Androstadienes / Q000138:chemical synthesis; D000736:Androstenes / Q000138:chemical synthesis*; D007555:Isoxazoles / Q000138:chemical synthesis; D007664:Ketosteroids / Q000138:chemical synthesis; D011283:Pregnenes / Q000138:chemical synthesis*
chemical_list: D000730:Androstadienes; D000736:Androstenes; D007555:Isoxazoles; D007664:Ketosteroids; D011283:Pregnenes