Tetrahedron p. 3766 - 3774 (2016)
Update date:2022-07-29
Topics:
McLeod, Michael C.
Aubé, Jeffrey
The preparation of sp3-rich scaffolds to obtain more natural product-like libraries for incorporation into screening decks is challenging. Here, we describe the use of a Diels-Alder reaction between an enone and an azide-containing silyloxydiene to gain efficient access to complex tricyclic amine scaffolds. Derivatization of these scaffolds provided a library of 80 amines, amides, sulfonamides, quinolines and indolenines, all in >20 mg quantities and >90% purities. These library compounds displayed properties more similar to alkaloid natural products than to drugs and commercial drug-like libraries, as shown by a high proportion of sp3 carbon centers.
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