Tetrahedron Letters p. 5603 - 5606 (1983)
Update date:2022-08-05
Topics:
Wieland
Kalvoda
11α-Formyl-methyl derivative 5 of prednisolone has been reductively cyclized to give the versatile pentacyclic intermediates 7 and 9 of novel 1,11α-ethano-bridged corticosteroid analogues.
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(2006)
