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May 6, 2026New Journal of Chemistry0 citations

Direct Access to 2‑Amino-3-cyano-4H-pyrans/ 4H‑chromenes by ONO-Pincer Supported Nickel(II) Phosphine Complexes via Dehydrogenative Annulation of Alcohols

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PSPranesh Kavin SekarRRRamesh Rengan

Key Points

  • To establish a method for synthesizing 4H-pyrans and 4H-chromenes using nickel complexes.
  • Developed a one-pot synthesis approach
  • Utilized nickel(II)–ONO pincer complexes as catalysts
  • Employed acceptorless dehydrogenative annulation of alcohols
  • Demonstrated high efficiency in synthesis
  • Produced 4H-pyran/4H-chromene analogues
  • Showed convenience of multicomponent synthesis

Abstract

A highly efficient and convenient multicomponent one-pot synthesis of 4H-pyran/4H-chromeneanalogues has been demonstrated via acceptorless dehydrogenative annulation (ADA) of alcohols employing newly designed Ni(II)–ONO pincer complexes as catalysts. A discrete...

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Cite This Study

Sekar et al. (2026) studied this question.

synapsesocial.com/papers/69fa986a04f884e66b5321cbhttps://doi.org/10.1039/d6nj01107a
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Nickel-Catalyzed [3 + 3] Annulation of 1,3-Dicarbonyl Compounds with Alkynes for the Synthesis of Functionalized Pyranones2026
  2. 2One-Pot Sustainable Synthesis of Highly Substituted Pyrimidines via Acceptorless Dehydrogenative Annulation of Alcohols Using Pincer Ni(II)–NNS Catalysts2024 · 2 citations
  3. 3Rh(III)‐Catalyzed [4+2] Cascade Annulation of chromene‐2‐Carboxamides With Alkynes: Direct Access to Chromeno[2,3‐ <i>c</i> ]pyridine‐1,5‐Dione Derivatives2026
  4. 4Manganese(I)-CNP Complex-Catalyzed Multicomponent Synthesis of 2-Pyrazolines by Acceptorless Alcohol Dehydrogenation2026
  5. 5Photocatalyzed Decarboxylative Annulation of <i>N-</i> Arylglycines with Cyclopropenones: Synthesis of Highly Functionalized Pyrrol-2-Ones2026