A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 94790-35-9, Name is N-(Chloro(dimethylamino)methylene)-N-methylmethanaminium hexafluorophosphate(V), molecular formula is C5H12ClF6N2P. In an article, author is Latysheva, Alexandra S.,once mentioned of 94790-35-9, SDS of cas: 94790-35-9.
New steroidal oxazolines, benzoxazoles and benzimidazoles related to abiraterone and galeterone
Seven new oxazoline, benzoxazole and benzimidazole derivatives were synthesized from 3 beta-acetoxyandrosta-5,16-dien-17-carboxylic, 3 beta-acetoxyandrost-5-en-17 beta-carboxylic and 3 beta-acetoxypregn-5-en-21-oic acids. Docking to active site of human 17 alpha-hydroxylase/17,20-lyase revealed that all oxazolines, as well as benzoxazoles and benzimidazoles comprising Delta(16) could form stable complexes with enzyme, in which steroid moiety is positioned similarly to that of abiraterone and galeterone, and nitrogen atom coordinates heme iron, while 16,17-saturated benzoxazoles and benzimidazoles could only bind in a position where heterocycle is located nearly parallel to heme plane. Modeling of the interaction of new benzoxazole and benzimidazole derivatives with androgen receptor revealed the destabilization of helix 12, constituting activation function 2 (AF2) site, by mentioned compounds, similar to one induced by known antagonist galeterone. The synthesized compounds inhibited growth of prostate carcinoma LNCaP and PC-3 cells at 96 h incubation; the potency of 2′-(3-hydroxyandrosta-5,16-dien-17-yl)-4′,5′-dihydro-1′,3′-oxazole and 2′-(3 beta-hydroxyandrosta-5,16-dien-17-yl)-benzimidazole was superior and could inspire further investigations of these compounds as potential anti-cancer agents.
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Reference:
Benzoxazole – Wikipedia,
,Benzoxazole | C7H5NO – PubChem