ChemicalBook >?? ???? >(7a,17a)-17-Hydroxy-3-oxo-pregna-4,9(11)-diene-7,21-dicarboxylicacid g-lactone methyl ester

(7a,17a)-17-Hydroxy-3-oxo-pregna-4,9(11)-diene-7,21-dicarboxylicacid g-lactone methyl ester

(7a,17a)-17-Hydroxy-3-oxo-pregna-4,9(11)-diene-7,21-dicarboxylicacid g-lactone methyl ester ??? ???

???:: (7a,17a)-17-Hydroxy-3-oxo-pregna-4,9(11)-diene-7,21-dicarboxylicacid g-lactone methyl ester

???(??):: Δ9,11-Eplerenone;Eplerenone EP Imp C;Eplerenone Impurity C;Eplerenone 9,11-Analog;EPLERENONE INTERMEDIATE;(2'R,7R,8R,10S,13S,14S);9,11-Eplerenone Impurity;Eplerenone intermediate A3;Eplerenone delta-9,11-Analog;Eplerenone Intermediates(A3)

?? ?? 139

(7a,17a)-17-Hydroxy-3-oxo-pregna-4,9(11)-diene-7,21-dicarboxylicacid g-lactone methyl ester ??

Intermediate in the preparation of Eplerenone and its derivatives.

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?????? ???????? ????? ????????? ?????? ????? 1,11-???????? ????? ???? ????? HYDROXYAPATITE TYPE I CHLOROPHOSPHONAZO III (7β,11α,17α)-9,11-Epoxy-17-hydroxy-3-oxo-pregn-4-ene-7,21-dicarboxylic Acid γ-Lactone Methyl Ester Eplerenone Hydroxyacid Potassium Salt 7,8-Dihydroxyflavone (2-Chloro-5-iodophenyl)(4-fluorophenyl)methanone (S)-3-(4-(2-Chloro-5-iodobenzyl)phenoxy)tetrahydrofuran Brexpiprazole Intermediate 1 Brexpiprazole Impurity 19