BE594484A -
Process for the preparation of 18 (21) -cyclohemiacetals and novel 18 (21) -cyclo-hemiacetal esters of saturated and unsaturated 18,20-dioxo-21-hydroxy-pregnans.
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Process for the preparation of 18 (21) -cyclohemiacetals and novel 18 (21) -cyclo-hemiacetal esters of saturated and unsaturated 18,20-dioxo-21-hydroxy-pregnans.
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BE594484A1959-08-281960-08-29
Process for the preparation of 18 (21) -cyclohemiacetals and novel 18 (21) -cyclo-hemiacetal esters of saturated and unsaturated 18,20-dioxo-21-hydroxy-pregnans.
BE594484A
(en)
Process for the preparation of 18 (21) -cyclohemiacetals and novel 18 (21) -cyclo-hemiacetal esters of saturated and unsaturated 18,20-dioxo-21-hydroxy-pregnans.
Process for the preparation of 18 (21) -cyclohemiacetals and novel 18 (21) -cyclo-hemiacetal esters of saturated and unsaturated 18,20-dioxo-21-hydroxy-pregnans.
Process for preparing 18 (21) -cyclohemiacetals and novel 18 (21) - cyclohemiacetal esters of saturated and non-saturated 18, 20-dioxo-21-hydroxy-pregnans