Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Anna I. Kuchto"'
Autor:
Anna I. Kuchto, Marinus B. Groen, Aede de Groot, Yuliya Y. Zhiburtovich, Alexander S. Lyakhov, Vladimir N. Zhabinskii, Alla A. Govorova, Jaap van der Louw, Vladimir A. Khripach
Publikováno v:
Khripach, V A, Zhabinskii, V N, Kuchto, A I, Zhiburtovich, Y Y, Lyakhov, A S, Govorova, A A, Groen, M B, Louw, J P E & Groot, A M E 2006, ' Isolation and structure elucidation of new radical oxidation products of 5-hydroxy steroids ', Steroids, vol. 71, pp. 504-509 . https://doi.org/10.1016/j.steroids.2006.01.008
Steroids, 71(6), 504-509
Steroids 71 (2006) 6
Steroids, 71, 504-509. Elsevier Inc.
Steroids, 71(6), 504-509
Steroids 71 (2006) 6
Steroids, 71, 504-509. Elsevier Inc.
Three new products have been isolated from the lead-tetraacetate version of the hypoiodite oxidation of 3 beta,17 beta-diacetoxy-5-hydroxy-5 alpha-androstane. Along with the expected 1(10)unsaturated 5,10-seco steroidal 5-ketones, the fragmentation r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17a4bd69bfd583c8d81700e38d23e6ac
https://doi.org/10.1016/j.steroids.2006.01.008
https://doi.org/10.1016/j.steroids.2006.01.008
Autor:
Galina P. Fando, Natalya B. Khripach, Vladimir N. Zhabinskii, Anna I. Kuchto, Marinus B. Groen, Aede de Groot, Jaap van der Louw, Vladimir A. Khripach
Publikováno v:
Steroids 71 (2006) 6
Steroids, 71, 445-449. Elsevier Inc.
Steroids, 71(6), 445-449
Khripach, V A, Zhabinskii, V N, Fando, G P, Kuchto, A I, Khripach, N B, Groen, M B, Louw, J P E & Groot, A M E 2006, ' A new type of steroids with a cyclobutane fragment in the AB-ring moiety ', Steroids, vol. 71, pp. 445-449 . https://doi.org/10.1016/j.steroids.2006.01.010
Steroids, 71, 445-449. Elsevier Inc.
Steroids, 71(6), 445-449
Khripach, V A, Zhabinskii, V N, Fando, G P, Kuchto, A I, Khripach, N B, Groen, M B, Louw, J P E & Groot, A M E 2006, ' A new type of steroids with a cyclobutane fragment in the AB-ring moiety ', Steroids, vol. 71, pp. 445-449 . https://doi.org/10.1016/j.steroids.2006.01.010
The synthesis of a 5,10-seco steroid containing two double bonds in a AB-macrocycle as well as the preparation of a steroidal skeleton with a cyclobutane fragment is described. The structures of these compounds are different from those of natural ste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bee6b5c5f0025ef6e17f658298082d47
https://research.vu.nl/en/publications/4e9cdd0f-3ce2-43ed-9e09-75dc2e060654
https://research.vu.nl/en/publications/4e9cdd0f-3ce2-43ed-9e09-75dc2e060654
Autor:
Alexander S. Lyakhov, Galina P. Fando, Yuliya Y. Zhiburtovich, Vladimir N. Zhabinskii, Aede de Groot, Alla A. Govorova, Anna I. Kuchto, Marinus B. Groen, Jaap van der Louw, Vladimir A. Khripach
Publikováno v:
Steroids 69 (2004) 7
Steroids, 69(7), 501-509
Steroids, 69(7), 501-509
A number of testosterone analogs with a 13,14-secosteroidal fragment have been prepared from (13S)-13-iodo-6beta-methoxy-3alpha, 5-cyclo-13,14-seco-5alpha-androstan-14,17-dione. The key steps involved stereoselective deiodination of the starting comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52152fa77494d6fa4e46b770c91e1482
https://doi.org/10.1016/j.steroids.2004.04.010
https://doi.org/10.1016/j.steroids.2004.04.010
Autor:
Jaap van der Louw, Vladimir A. Khripach, Alexander S. Lyakhov, Yuliya Y. Zhiburtovich, Anna I. Kuchto, Marinus B. Groen, Natalya B. Khripach, Aede de Groot, Vladimir N. Zhabinskii
Publikováno v:
Khripach, V A, Zhabinskii, V N, Kuchto, A I, Zhiburtovich, Y Y, Khripach, N B, Lyakhov, A S, Groen, M B, Louw, J P E & Groot, A M E 2008, ' Synthesis of 5,10-seco analogs of testosterone ', Steroids, vol. 73, pp. 1424 . https://doi.org/10.1016/j.steroids.2008.07.005
Steroids, 73. Elsevier Inc.
Steroids 73 (2008) 14
Steroids, 73(14), 1424-1432
Steroids, 73. Elsevier Inc.
Steroids 73 (2008) 14
Steroids, 73(14), 1424-1432
A number of 5,10-seco analogs of testosterone has been synthesized starting from products of the radical oxidation of 3 beta,17 beta-diacetoxy-5 alpha-androstan-5 alpha-ol. The obtained compounds possess a flexible 10-membered ring with substituents
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a432a12757ecd2dc2fba543fcf9496a
https://pubmed.ncbi.nlm.nih.gov/18703077
https://pubmed.ncbi.nlm.nih.gov/18703077
Autor:
Jaap van der Louw, Vladimir A. Khripach, Yuliya Y. Zhiburtovich, Anna I. Kuchto, Marinus B. Groen, Vladimir N. Zhabinskii, Aede de Groot, Vladimir V. Gromak
Publikováno v:
Tetrahedron Letters, 47(38), 6715-6718
Tetrahedron Letters 47 (2006) 38
Khripach, V A, Zhabinskii, V N, Kuchto, A I, Zhiburtovich, Y Y, Gromak, V V, Groen, M B, Louw, J P E & Groot, A M E 2006, ' Intramolecular cycloaddition/cycloreversion of (E)-3 beta,17 beta-diacetoxy-5,10-secoandrost-1(10)-en-5-one ', Tetrahedron Letters, vol. 47, pp. 6715-6718 . https://doi.org/10.1016/j.tetlet.2006.07.096
Tetrahedron Letters, 47, 6715-6718. Elsevier Limited
Tetrahedron Letters 47 (2006) 38
Khripach, V A, Zhabinskii, V N, Kuchto, A I, Zhiburtovich, Y Y, Gromak, V V, Groen, M B, Louw, J P E & Groot, A M E 2006, ' Intramolecular cycloaddition/cycloreversion of (E)-3 beta,17 beta-diacetoxy-5,10-secoandrost-1(10)-en-5-one ', Tetrahedron Letters, vol. 47, pp. 6715-6718 . https://doi.org/10.1016/j.tetlet.2006.07.096
Tetrahedron Letters, 47, 6715-6718. Elsevier Limited
Treatment of 3 beta,17 beta-diacetoxy-5,10-secoandrost-1(10)-en-5-one with (BF3Et2O)-Et-. was shown to proceed with cleavage of the macrocycle and formation of a new compound containing a cyclopentenone ring. Based on DFT calculations, an intramolecu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dbba661eff6f128a4e64983fa79459b6
https://research.wur.nl/en/publications/intramolecular-cycloadditioncycloreversion-of-e-3-beta17-beta-dia
https://research.wur.nl/en/publications/intramolecular-cycloadditioncycloreversion-of-e-3-beta17-beta-dia
