Journal ArticleDOI
Modern Variants of the Mannich Reaction
TLDR
Modern variants of the Mannich reaction that expand the potential of the classical intermolecular reaction significantly and enable efficient control of the regioselectivities and stereoselectivity are therefore the topic of intensive research.Abstract:
Important building blocks for the synthesis of drugs or natural products are found in Mannich bases and their derivatives Modern variants of the Mannich reaction that expand the potential of the classical intermolecular reaction significantly and enable efficient control of the regioselectivity and stereoselectivity are therefore the topic of intensive research Intramolecular reactions, in particular as part of domino reaction sequences, often afford astoundingly simple and elegant approaches to complex target compoundsread more
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Asymmetric enamine catalysis.
Journal ArticleDOI
The Cross-Dehydrogenative Coupling of C sp 3H Bonds: A Versatile Strategy for CC Bond Formations
TL;DR: This Review highlights the recent progress in the field of cross-dehydrogenative C sp 3C formations and provides a comprehensive overview on existing procedures and employed methodologies.
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Asymmetric multicomponent reactions (amcrs): the new frontier
Diego J. Ramón,Miguel Yus +1 more
TL;DR: Asymmetric multicomponent reactions involve the preparation of chiral compounds by the reaction of three or more reagents added simultaneously and has some advantages over classic divergent reaction strategies, such as lower costs, time, and energy, as well as environmentally friendlier aspects.
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Chemical modification of lignins: Towards biobased polymers
TL;DR: Lignin is a highly abundant biopolymeric material that constitutes with cellulose one of the major components in structural cell walls of higher vascular plants and is used as a precursor for the elaboration of original macromolecular architecture and the development of new building blocks as mentioned in this paper.