HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 323645Generated: October 30, 2026
Hydrogen Bromide → HCID 178515075, compound
https://huagongshe.com/reaction/323645
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hydrogen Bromide | HCID 260 | — |
| Reactant | Methanesulfonic Acid | HCID 6395 | — |
| Reactant | HCID 178492082 | HCID 178492082 | — |
| Product | HCID 178515075 | HCID 178515075 | — |
Reaction Steps
To a 50 mL solution of 5:1 48% HBr:methanesulfonic acid was added 7-chloro-4-hydroxy-2-(4-methoxyphenyl)-1,2,5,10-tetrahydropyridazino[4,5-b]quinoline-1,10-dione (1.0328 g, 27.9 mM). The resulting suspension was heated to 110° C. over 3.5 hours. HPLC analysis afforded a total conversion to a new material. The suspension was cooled to room temperature and filtered through a Buchner funnel. The yellow solid was washed 2× with 100 mL portions of distilled water followed by 200 mL of a 1:1 solution of THF:ether. The material was then washed with hexanes until the yellow solid was free flowing. This solid was allowed to air dry for 72 hours prior to submission for analysis. No percent yield was recorded for this reaction.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06214826B1 |
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| Source dataset | uspto-grants-2001_04 |
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| ORD ID | ord-93d7a6e7c67d4febb3e163d097eed7e3 |
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| Source note | uspto-grants-2001_04 |
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