Lab Journal

Abstract gold-on-navy illustration of two molecular fragments joining at a glowing bond, representing amide and peptide coupling.

Choosing a Coupling Reagent for Amide and Pepti...

Two amide couplings that look identical on paper can give a clean product or a racemised mess, depending only on the reagent and additive. A practical guide to reading the...

Choosing a Coupling Reagent for Amide and Pepti...

Two amide couplings that look identical on paper can give a clean product or a racemised mess, depending only on the reagent and additive. A practical guide to reading the...

Searching a Catalogue by Structure: A Working Chemist's Guide

Searching a Catalogue by Structure: A Working C...

Most suppliers let you search by name or CAS — which only helps if you already know what you want. NorrChemica's structure search lets you query the catalogue by drawn...

Searching a Catalogue by Structure: A Working C...

Most suppliers let you search by name or CAS — which only helps if you already know what you want. NorrChemica's structure search lets you query the catalogue by drawn...

Phosphine Ligands for Cross-Coupling

Phosphine Ligands for Cross-Coupling

A practical guide to choosing phosphine ligands for palladium cross-coupling — how to reason about electronics, sterics, and bite angle, and which ligand to actually reach for in Suzuki–Miyaura and...

Phosphine Ligands for Cross-Coupling

A practical guide to choosing phosphine ligands for palladium cross-coupling — how to reason about electronics, sterics, and bite angle, and which ligand to actually reach for in Suzuki–Miyaura and...

Water-Soluble Diazaborines: Selective Gram-Negative Antibiotic Candidates for Synergy Studies and R&D

Water-Soluble Diazaborines: Selective Gram-Nega...

Three diazaborines from the recently published J. Med. Chem. 2026 study by Ilina et al. — including the water-soluble sodium salt of the lead FabI inhibitor against E. coli, A....

Water-Soluble Diazaborines: Selective Gram-Nega...

Three diazaborines from the recently published J. Med. Chem. 2026 study by Ilina et al. — including the water-soluble sodium salt of the lead FabI inhibitor against E. coli, A....

Choosing Your Boron Source for Suzuki–Miyaura Coupling

Choosing Your Boron Source for Suzuki–Miyaura C...

Protodeboronation rates across heteroarylboronic acids span six orders of magnitude — and esterification does not automatically fix the problem. A mechanistic guide to Suzuki–Miyaura boron reagent selection, grounded in the...

Choosing Your Boron Source for Suzuki–Miyaura C...

Protodeboronation rates across heteroarylboronic acids span six orders of magnitude — and esterification does not automatically fix the problem. A mechanistic guide to Suzuki–Miyaura boron reagent selection, grounded in the...

Quantitative ¹H and ¹⁹F NMR spectra of NorrChemica TMAF–MeOH adduct and commercial anhydrous TMAF (Vendor A), with TFB as internal standard. F/Me₄N⁺ = 0.91 (NorrChemica) vs 0.92 (Vendor A).

Naked Fluoride for the Real World — NorrChemica...

We applied quantitative ¹H/¹⁹F NMR to directly measure the active fluoride content of our TMAF–methanol adduct and benchmarked it against two commercial anhydrous sources. The result: 91 mol% F/Me₄N⁺ —...

Naked Fluoride for the Real World — NorrChemica...

We applied quantitative ¹H/¹⁹F NMR to directly measure the active fluoride content of our TMAF–methanol adduct and benchmarked it against two commercial anhydrous sources. The result: 91 mol% F/Me₄N⁺ —...