1032-14-0Relevant articles and documents
Synthesis of steroidal D-ring fused pyrazolines: Study of regiochemistry of addition
Green, Brian,Sheu, Kueiying
, p. 479 - 484 (1994)
The addition of diphenylnitrilimine and C-o-chlorodiphenylnitrilimine to 3β-hydroxyandrosta-5,16-diene (3b) produced a 1/1 ratio of regioisomeric, 1,3-diaryl-2-pyrazolines (6a, 7a and 6b, 7b), whereas the addition of N-o-chlorodiphenylnitrilimine gave a 5