Due to its unique structure and the vast array of substituents that can be attached to its core, Meldrum’s acid is a molecule with exceptional chemical properties. In water, it...

While polysulfones constitute a class of well‐established, highly valuable applied materials, knowledge about polymers based on the related sulfoximine group is very limited. We have employed functionalized diaryl sulfoximines and a p‐phenylene bisborane as building blocks for unprecedented BN‐ and BO‐doped alternating inorganic–organic hybrid copolymers. While the former were accessed by a facile silicon/boron exchange protocol, the synthesis of polymers with main‐chain B–O linkages was achieved by salt elimination.

A cross-coupling strategy for the preparation of novel sulfoximines via preformed sulfoximidoyl-containing building blocks has been developed. It allows obtaining a wide range of products in good yields under mild reaction conditions, and it can be applied in late-stage functionalizations, as demonstrated by the synthesis of a sulfoximine-based analogue of a recently reported potent valosine-containing protein inhibitor.

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