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Open AccessNickel-catalyzed direct stereoselective α-allylation of ketones with non-conjugated dienes
The development of efficient and sustainable methods for the construction of carbon-carbon bonds with the simultaneous stereoselective generation of vicinal stereogenic centers is a longstanding goal in organi...
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Extracting Variable-Depth Logical Document Hierarchy from Long Documents: Method, Evaluation, and Application
In this paper, we study the problem of extracting variable-depth “logical document hierarchy” from long documents, namely organizing the recognized “physical document objects” into hierarchical structures. The...
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Open AccessCobalt-catalyzed difluoroalkylation of tertiary aryl ketones for facile synthesis of quaternary alkyl difluorides
The selective incorporation of gem-difluoroalkyl groups into biologically active molecules has long been used as an efficient strategy for drug design and discovery. However, the catalytic C(sp3)-CF2 bond-forming...
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\((\in ,\in \vee q_{(\lambda ,\mu )})\) -Fuzzy Completely Prime Ideals of Semigroups
We introduce a new kind of generalized fuzzy completely prime ideal of a semigroup called \((\in ,\in \vee q_{(\lambda ,\mu )})\) ...
