HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1090296Generated: October 30, 2026
Hydrochloric Acid → HCID 178426313, compound
https://huagongshe.com/reaction/1090296
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Sodium Azide | HCID 33557 | — |
| Reactant | 4-Imino-9-methyl-4H-pyrido[1,2-a]pyrimidine-3-carbonitrile | HCID 11063074 | — |
| Solvent | Hexamethylphosphoramide | HCID 12679 | — |
| Product | HCID 178426313 | HCID 178426313 | 79% |
Reaction Steps
To 100 ml of HMPA were added 10.0 g (54.3 mmoles) of 3-cyano-4-imino-9-methyl-4H-pyrido[1,2-a]-pyrimidine and 3.53 g (54.3 mmoles) of sodium azide, and the reaction was carried out with stirring at 70° C. for 3 hours. After cooling, the reaction mixture was neutralized with diluted hydrochloric acid, and the crystals precipitated were collected by filtration to obtain 9.8 9 of light-brown power of 3-(3-methyl-2-pyridyl)amino-2-(1H-tetrazol-5-yl)-2-propenonitrile. Yield: 79%.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05081243 |
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| Source dataset | uspto-grants-1992_01 |
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| ORD ID | ord-f31d5a8b1dda4662ab87e9279406f785 |
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| Source note | uspto-grants-1992_01 |
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