Results 191 to 200 of about 659,249 (217)

Rhodium‐Catalyzed Synthesis of Enantioenriched α‐Substituted Primary Amines Through Asymmetric Transfer Hydrogenation

open access: yesChemistry – A European Journal, Volume 32, Issue 39, 22 October 2026.
Enantioenriched α‐substituted primary amines are efficiently prepared by rhodium‐catalyzed asymmetric transfer hydrogenation of ortho‐hydroxyaryl N─H imines under mild conditions using a low catalyst loading and ammonium formate as the hydrogen source in high yields (up to 99%) and enantioselectivities (up to 99% ee).
Chonghuo Liu   +4 more
wiley   +1 more source

Calcifediol Treatment Improves Skin Wound Healing in Vitamin D Deficiency Obese Rats. [PDF]

open access: yesPharmaceutics
Torrecillas-Baena B   +9 more
europepmc   +1 more source

Deprotektive Alkylierung: Eine Plattform zur Umsetzung von Alkoholen zu Aminen mittels Nonafluormesitylensulfonamiden

open access: yesAngewandte Chemie, Volume 138, Issue 43, 19 October 2026.
Die direkte Umwandlung von Alkoholen in tertiäre oder sekundäre Amine in einem Reaktionsschritt unter Verwendung von Nms‐Amiden wird beschrieben. Die Transformation zeichnet sich durch eine breite Toleranz gegenüber verschiedenen funktionellen Gruppen und eine hohe Stereospezifität aus, was ihre Eignung für die Synthese isotopenmarkierter Arzneimittel ...
Jakub Brześkiewicz   +3 more
wiley   +1 more source

Deprotective Alkylation: A Platform for Alcohol‐to‐Amine Interconversion Using Nonafluoromesitylenesulfonamides

open access: yesAngewandte Chemie International Edition, Volume 65, Issue 43, 19 October 2026.
The straightforward conversion of alcohols to tertiary or secondary amines employing Nms‐amides in a single operation is described. The transformation features broad functional group tolerance and high stereospecificity, underscoring its utility in the synthesis of isotope‐labeled pharmaceuticals.
Jakub Brześkiewicz   +3 more
wiley   +1 more source

Epimeric Vitamin D is Not Associated With Arterial Stiffness or Cardiovascular Outcomes in Patients With Advanced CKD. [PDF]

open access: yesKidney Med
Campos MO   +12 more
europepmc   +1 more source

Paradoxical hypercalcemia in tuberculosis with concurrent vitamin D deficiency: mechanisms, clinical implications, and management strategies. [PDF]

open access: yesAnn Med Surg (Lond)
Beniwal SS   +9 more
europepmc   +1 more source

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