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1 article(s) from Harder, Sjoerd

Development and mechanistic studies of calcium–BINOL phosphate-catalyzed hydrocyanation of hydrazones

Carola Tortora,
Christian A. Fischer,
Sascha Kohlbauer,
Alexandru Zamfir,
Gerd M. Ballmann,
Jürgen Pahl,
Sjoerd Harder and
Svetlana B. Tsogoeva

Beilstein J. Org. Chem. 2025, 21, 755–765, doi:10.3762/bjoc.21.59

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Figure 1: Crystal structure of the calcium diphenyl phosphate complex 4. Hydrogen atoms are omitted for clari...

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Scheme 1: Synthesis of the calcium diphenyl phosphate model complex 4 from phosphoric acid 3 and Ca(OiPr)₂.

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Figure 2: (A) Proposed catalytic cycle for the hydrocyanation of hydrazones with the Ca–BINOL phosphate catal...

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Figure 3: Reaction energy profile for the hydrocyanation of Z-hydrazone 1, (depicted is the pathway that give...

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Figure 4: Transition-state structure TS 8 for internal rotation, mixing conformational (Z/E)-pathways with op...

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Figure 5: Replacement step after internal rotation in 11 via TS8 and reaction with TMSCN to give adduct 13 (s...

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Published 14 Apr 2025

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