Talk:Biuret
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Merge with Biuret Test
Until more information becomes available, it may be productive to merge this with the Biuret test stub, with the test article being a subsection. Biblefreak123 01:34, 27 February 2007 (UTC) biblefreak123
- No thanks. The two articles stand alone. Buki ben Yogli (talk) 19:50, 7 September 2008 (UTC)
Biurets and isocyanates
On 2009-08-14, someone replaced this sentence
- "Biurets can be prepared by trimerization of isocyanates. For example the trimer of 1,6-hexamethylene diisocyanate is also known as HDI-biuret."
by this sentence
- "Although aliphatic isocyanate biurets 1,6-hexamethylene diisocyanate has the same functionality (NCO functionality is 3) with trimerization products of isocyanate,but biuret and trimer have different chemical structure."
The first one seemed to make more sense than the second one, so I reverted the edit. Wouldplease some expert check and fix as appropriate? Thanks, --Jorge Stolfi (talk) 03:20, 15 August 2009 (UTC) hi w3jewjeruerfjcquefuefujerfujrffrjrrfjufrujrfjrfjufjfurufjjfjfjfjfjfj — Preceding unsigned comment added by 2A00:23C7:EE80:C401:55BE:CAD3:33EE:8B6D (talk) 11:42, 20 November 2022 (UTC)
SMILES
The preferred configuration involves a hydrogen atom of a nitrogen atom next to an oxygen atom to facilitate hydrogen bonding within the molecule, as shown in this image, but the current SMILES does not reflect this and has the two oxygen atoms pointing the same way and next to each other, resulting in unfavorable electrostatic repulsion between the two oxygen atoms. I have tried N\C(=O)N/C(N)=O, O=C(N)/N\C(=O)/N, N\C(=O)\N/C(=O)\N, and more, but none of them work. Could someone please create and add a SMILES that accurately represents biuret's preferred shape? Care to differ or discuss with me? The Nth User 02:57, 20 April 2019 (UTC)
