16-[3-Methoxy-4-(2-piperidin-1-ylethoxy) benzylidene]-17-oxoandrost-5-en-3β-yl acetate monohydrate

S Thamotharan, V Parthasarathi, R Gupta… - … Section C: Crystal …, 2002 - journals.iucr.org
The title compound, C36H49NO5· H2O, has the outer two six-membered rings of the steroid
nucleus in chair conformations. The central ring B of the steroid nucleus is in an 8β, 9α-half …

6β-Azido-7α-hydroxy-17-oxo-5α-androstan-3β-yl acetate

JIF Paixao, JAR Salvador, JA Paixao… - … Section C: Crystal …, 2004 - journals.iucr.org
In the title compound, C21H31N3O4, a potential inhibitor of aromatase, all rings are fused
trans. Rings A, B and C have chair conformations which are slightly flattened. Ring D has a …

16-(4-Cyanobenzylidene)-3β-pyrrolidinoandrost-5-en-17β-ol monohydrate

R Hema, V Parthasarathi, S Thamotharan… - … Section C: Crystal …, 2002 - journals.iucr.org
In the title compound, C31H40N2O· H2O, the outer two six-membered rings are in chair
conformations, while the central ring is in an 8β, 9α-half-chair conformation. The five …

3β-(1-Allyl-1-pyrrolidinio)-16-(2-pyridylmethylene) androst-5-en-17β-ol bromide hemihydrate

G Vasuki, S Thamotharan, V Parthasarathi… - … Section C: Crystal …, 2002 - journals.iucr.org
The title compound, C32H45N2O+· Br−· 0.5 H2O, has the outer two six-membered rings in
chair conformations, while the central ring is in an 8β, 9α-half-chair conformation. The five …

3β, 17β-Diacetoxy-16-(2-pyridylmethylene) androst-5-ene hydrate (1/0.46)

G Vasuki, V Parthasarathi, K Ramamurthi… - … Section E: Structure …, 2002 - journals.iucr.org
In the title compound, C29H37NO4· 0.46 H2O, rings A and C adopt chair conformations and
ring B is in a half-chair conformation. The five-membered ring D adopts an envelope …

16α-Hydroxy-20-oxopregn-5-en-3β-yl acetate

LCR Andrade, JA Paixao, MJM de Almeida… - … Section E: Structure …, 2001 - scripts.iucr.org
In the title compound, C23H34O4, the two saturated six-membered rings have slightly
flattened chair conformations and the unsaturated ring assumes a 8β, 9α-half chair …

16α, 17α-Epoxy-20-oxopregn-5-ene-3β, 21-diyl diacetate

LCR Andrade, JA Paixao, MJM De Almeida… - … Section E: Structure …, 2003 - scripts.iucr.org
The title compound, C25H34O6, has a 3β, 21-configuration, with the epoxy O atom at 16α,
17α. Rings A and C have chair conformations which are slightly flattened. Because of the …

17-Oxo-5α-androst-6-en-3β-yl acetate

JIF Paixao, JAR Salvador, JA Paixao… - … Section C: Crystal …, 2004 - journals.iucr.org
In the title compound, C21H30O3, a potential inhibitor of aromatase, all rings are fused
trans. Rings A and C have chair conformations which are slightly flattened, whereas the …

[PDF][PDF] organic papers

LCR Andrade, JA PaixaÄo, MJM de Almeida, MM Cruz… - reflections, 2002 - academia.edu
The title compound, C25H36O5, has two independent molecules in the asymmetric unit with
similar geometry. The main difference between the two molecules relates to the …

20-Oxopregn-5-ene-3β, 16α-diyl diacetate

LCR Andrade, JA Paixão, MJM de Almeida… - … Section E: Structure …, 2002 - journals.iucr.org
The title compound, C25H36O5, has two independent molecules in the asymmetric unit with
similar geometry. The main difference between the two molecules relates to the …