Search Results - "Tavares da Silva, E. J."

3,17-Dioxoandrost-4-en-4-yl acetate by Andrade, L. C. R., Almeida, M. J. M. de, Paixão, J. A., Fernandes Roleira, F. M., Tavares da Silva, E. J.

“…The title compound, C21H28O4, has a 4‐acetoxy substituent positioned on the steroid α face. The six‐membered ring A assumes a conformation intermediate between…”
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N-Hexyl-3-(4-hy-droxy-3,5-dimeth-oxy-phen-yl)propanamide by Andrade, L C R, Paixão, J A, de Almeida, M J M, Tavares da Silva, E J, Fernandes Roleira, F M

“…In the title compound, C(17)H(27)NO(4), which is an hydro-sinapic acid derivative with increased lipophilicity conferred by an additional alkyl chain, the…”
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6-Methylideneandrost-4-ene-3,17-dione by Andrade, L. C. R., Almeida, M. J. M. de, Fernandes Roleira, F. M., Varela, C. L., Tavares da Silva, E. J.

“…In the title compound, C 20 H 26 O 2 , which is the 6-methylene derivative of androstenedione and a synthetic percursor of exemestane, the steroid A ring…”
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5alpha-Androst-3-en-17-one oxime by Andrade, L C R, de Almeida, M J M, Fernandes Roleira, F M, Varela, C L, Tavares da Silva, E J

“…The title compound, C(19)H(29)NO, is a C17-oxime derivative of a potent aromatase inhibitor, which surprisingly has been found to have no inhibitory power. It…”
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6-Methyl-ideneandrost-4-ene-3,17-dione by Andrade, L C R, de Almeida, M J M, Fernandes Roleira, F M, Varela, C L, Tavares da Silva, E J

“…In the title compound, C(20)H(26)O(2), which is the 6-methyl-ene derivative of androstenedione and a synthetic percursor of exemestane, the steroid A ring…”
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3β, 7α, 12α-Triformyloxy-24-nor-5β-chol-22-ene by ANDRADE, L. C. R, PAIXAO, J. A, DE ALMEIDA, M. J. M, TAVARES DA SILVA, E. J, SA E MELO, M. L, FERNANDES ROLEIRA, F. M

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5α-Androst-3-en-17β-yl acetate by Andrade, L C R, Paixão, J A, de Almeida, M J M, Tavares da Silva, E J, Fernandes Roleira, F M

“…In the crystal structure of the title compound, C(21)H(32)O(2), ring A is highly distorted, with a conformation inter-mediate between 10β-sofa and 1α,10β-half…”
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3α,4α-Ep-oxy-5α-androstan-17β-yl acetate by Andrade, L C R, Paixão, J A, de Almeida, M J M, Fernandes Roleira, F M, Tavares da Silva, E J

“…The title compound, C(21)H(32)O(3), results from modifications of the A and D rings of the aromatase substrate androstenedione. Ring A adopts a conformation…”
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3α-Hydroxy-5α-androstane-4,17-dione by Andrade, L. C. R., Paixão, J. A., De Almeida, M. J., Tavares da Silva, E. J., Sá e Melo, M. L., Campos Neves, A. S.

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3,17-Dioxo-4-oxaandrostane-5α-carbaldehyde by Andrade, L. C. R., Paixão, J. A., De Almeida, M. J., Tavares da Silva, E. J., Sá e Melo, M. L., Campos Neves, A. S.

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3β,4β-Epoxy-5β-androstan-17-one by Andrade, L. C. R., Paixão, J. A., De Almeida, M. J., Tavares da Silva, E. J., Sá e Melo, M. L., Campos Neves, A. S.

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3α,4α-Epoxy-5α-androstan-17-one by Paixão, J. A., Ramos Silva, M., De Almeida, M. J., Tavares da Silva, E. J., Sá e Melo, M. L., Campos Neves, A. S.

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5[alpha]-Androst-3-en-17-one oxime by Andrade, L C R, Almeida, M J M de, Fernandes Roleira, F M, Varela, C L, Tavares da Silva, E J

“…The title compound, C19H29NO, is a C17-oxime derivative of a potent aromatase inhibitor, which surprisingly has been found to have no inhibitory power. It…”
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5α-Androst-3-en-17-one oxime by Andrade, L. C. R., Almeida, M. J. M. de, Fernandes Roleira, F. M., Varela, C. L., Tavares da Silva, E. J.

“…The title compound, C19H29NO, is a C17‐oxime derivative of a potent aromatase inhibitor, which surprisingly has been found to have no inhibitory power. It…”
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17-Oxo-5alpha-androstane-3alpha,4beta-diyl diacetate and 17-oxo-5beta-androstane-3alpha,4beta-diyl diacetate by Andrade, L C R, Paixão, J A, de Almeida, M J M, Fernandes Roleira, F M, Tavares da Silva, E J

“…The title compounds, both C23H34O5, are the 5alpha and 5beta configurations of two diacetate epimers. The 5beta-diacetate crystallizes in an hexagonal…”
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3β,7α,12α-Tri­formyl­oxy-24-nor-5β-chol-22-ene by Andrade, L. C. R., Paixão, J. A., Almeida, M. J. M. de, Tavares da Silva, E. J., Sá e Melo, M. L., Fernandes Roleira, F. M.

“…The title compound, alternatively called 24‐nor‐5β‐chol‐22‐ene‐3β,7α,12α‐triyl triformate, C26H38O6, has a cis junction between two of the six‐membered rings…”
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17-Oxo-5α-androstane-3α,4β-diyl diacetate and 17-oxo-5β-androstane-3α,4β-diyl diacetate by Andrade, L. C. R., Paixão, J. A., De Almeida, M. J. M., Fernandes Roleira, F. M., Tavares da Silva, E. J.

“…The title compounds, both C23H34O5, are the 5α and 5β configurations of two diacetate epimers. The 5β‐diacetate crystallizes in an hexagonal structure, unusual…”
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3 beta,7 alpha,12 alpha-triformyloxy-24-nor-5 beta-chol-22-ene by Andrade, L C R, Paixão, J A, de Almeida, M J M, da Silva, E J Tavares, Sá e Melo, M L, Roleira, F M Fernandes

“…The title compound, alternatively called 24-nor-5 beta-chol-22-ene-3 beta,7 alpha,12 alpha-triyl triformate, C(26)H(38)O(6), has a cis junction between two of…”
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3α,4α-Epoxy-5α-androstan-17β-yl acetate by Andrade, L. C.R., Paixão, J. A., de Almeida, M.J.M., Fernandes Roleira, F. M., Tavares da Silva, E. J.

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5 #945;-Androst-3-en-17 #946;-yl acetate by L. C. R. Andrade, J. A. Paixão, M. J. M. de Almeida, E. J. Tavares da Silva, F. M. Fernandes Roleira

“…In the crystal structure of the title compound, C21H32O2, ring A is highly distorted, with a conformation intermediate between 10β-sofa and…”
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