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categoryالكيمياء schoolبكالوريوس event_available2026-07-15

السؤال

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Testosterone is one of the most important male steroid hormones. When testosterone is dehydrated by treatment with acid. rearrangement occurs. Propose a mechanism to account for this reaction. Draw all the arrows to indicate movement of electrons, write all lone pairs involved into electron transfer, all formal charges, and all the products for each step. If a racemic mixture is formed in the product box, mark the chiral center with an asterisk (*) and write racemic below the structure. In the dotted box write the mechanistic element for each transformation (i.e. protonation, deprotonation, Nu attack, loss of leaving group). Eull credit will also be given if the mechanism is fully completed in a free format, which follows the above instructions. There is no need to draw the complete structure of Testosterone, its intermediates or product. Instead show the unchanged part of Testosterone skeleton with wavy lines focusing only on 5-membered ring H₂SO4 + H₂O

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