CPC A01N 43/12 (2013.01) [A01N 43/90 (2013.01); A01N 55/00 (2013.01); C07D 307/93 (2013.01); C07D 493/04 (2013.01); C07F 7/188 (2013.01)] | 2 Claims |
1. A 5A5B6C tricyclic spironolactone derivative with a formula shown as XI:
wherein: R1 is hydrogen, allyl, propargyl, Ac, AcO, t-BuOO—, methoxy, CH(CO2Et2, —CH2CO2Et or isopropenyl;
R2 is hydrogen, allyl, propargyl, Ac, AcO, t-BuOO—, methoxy, —CH2CO2Et or isopropenyl;
X is hydrogen, hydroxyl, OAc, allyl, or propargyl;
Y is hydrogen, hydroxyl, OAc, allyl, or propargyl;
is C═O or C═S; Z is hydrogen, hydroxyl, or chlorine;
W is hydrogen, hydroxyl, or chlorine;
R1 and W constitute
and
R2 and W constitute
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