Corrigendum to “Synthesis and use of a cost-effective, aqueous soluble diazo transfer reagent – m-carboxybenzenesulfonyl azide” [Tetrahedron Lett. 60 (1) (2019) 35–39]

O’Mahony, Rosella M.; Broderick, Caoimhe M.; Lynch, Denis; Collins, Stuart G.; Maguire, Anita R.

doi:10.1016/j.tetlet.2019.04.013

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“…Even better is to repeat analysis of the literature reagent using the same DSC equipment to make the comparison. In a selected example, Maguire and Collins proposed m ‐carboxybenzenesulfonyl azide ( m ‐CBSA, Figure g) as a green, cost‐effective diazo transfer reagent . They conducted DSC analysis following the precedent of Bollinger and Tuma, using HP crucibles, the same heating rate, and included analysis of one of the compounds in the original study.…”

Section: Figurementioning

confidence: 99%

On the Use of Differential Scanning Calorimetry for Thermal Hazard Assessment of New Chemistry: Avoiding Explosive Mistakes

et al. 2020

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Differential scanning calorimetry (DSC) is increasingly used as evidence to support a favourable safety profile of novel chemistry, or to highlight the need for caution. DSC enables preliminary assessment of the thermal hazards of a potentially energetic compound. However, unlike other standard characterisation methods, which have well defined formats for reporting data, the current reporting of DSC results for thermal hazard assessment has shown concerning trends. Around half of all results in 2019 did not include experimental details required to replicate the procedure. Furthermore, analysis for thermal hazard assessment is often only conducted in unsealed crucibles, which could lead to misleading results and dangerously incorrect conclusions. We highlight the specific issues with DSC analysis of hazardous compounds currently in the organic chemistry literature and provide simple “best practice” guidelines which will give chemists confidence in reported DSC results and the conclusions drawn from them.

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Section: Figurementioning

confidence: 99%