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A general arene C–H functionalization strategy via ...
3 With optimized conditions for the photochemical coupling between 2 and 3 in hand, we implemented a one-pot sequence for the direct C–H alkylation of tert-butylbenzene 1 (Figure 2c). This was accomplished by addition of 1 to a mixture of dibenzothiophene (DBT) S-oxide and trifluoromethanesulfonic anhydride in CH 2Cl 2, forming 2 in situ.The crude mixture was treated …
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Convergent Total Synthesis of (+)-Calcipotriol: A Scalable ...
chemrxiv.org(5) could be derived from irradiation of ergosterol.2 Radiolabeling studies established the most active form of VitD in the body to be calcitriol (6). From 1965-1975, foundational pharmacological studies established the basic role that VitD plays in regulating serum calcium and phosphorus and bone homeostasis.
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