HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 343375Generated: October 30, 2026
Dansyl chloride → HCID 18704796, compound
https://huagongshe.com/reaction/343375
Participants
| Role | Name | HCID | Charge |
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| Reactant | Dansyl chloride | HCID 11801 | — |
| Reactant | 2,4-Dimethoxypyrimidin-5-amine | HCID 18704820 | — |
| Solvent | Pyridine | HCID 1049 | — |
| Product | HCID 18704796 | HCID 18704796 | 72.2% |
Reaction Steps
5-Dimethylamino-1-naphthalenesulphonyl chloride (0.296 g) and 5-amino-2,4-dimethoxypyrimidine (0.155 g) were mixed together as solids. Pyridine (10 mls) was added and the solution was stirred at 0° C. for 30 minutes. The mixture was then heated at 80° C. for 5 hours. Volatile material was removed by evaporation and the residue was purified by elution with dichloromethane through a silica gel Mega Bond Elut column to give 5-dimethylamino-N-(2,4-dimethoxy-5-pyrimidinyl)-1-naphthalenesulphonamide (0.28 g), m.p. 201° C.; 1H NMR (d6 -DMSO): 2.85 (s, 6H), 3.1 (s, 3H), 3.8 (s, 3H), 7.3 (d, 1H), 7.55 (q, 2H); 7.95 (d, 1H), 8.05 (s, 1H), 8.30 (d, 1H), 8.48 (d, 1H), 9.85 (s, 1H); mass spectrum (+ve CI): 389 (M+H)+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05861401 |
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| Source dataset | uspto-grants-1999_01 |
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| ORD ID | ord-4e10ffa7cd3f40c0820852a92d06d085 |
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| Source note | uspto-grants-1999_01 |
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