Thermally-induced one-step construction of the tetracyclic steroidal skeleton from acyclic enyne-allenes
摘要:
On heating, acyclic enyne-allenes 5 underwent a sequence of intramolecular transformations with a cascade of energy to produce 9 having the tetracyclic steroidal skeleton in a single step.
Thermally-induced one-step construction of the tetracyclic steroidal skeleton from acyclic enyne-allenes
摘要:
On heating, acyclic enyne-allenes 5 underwent a sequence of intramolecular transformations with a cascade of energy to produce 9 having the tetracyclic steroidal skeleton in a single step.