HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2264195Generated: October 25, 2026
3,5-Difluoro-4-(tributylstannyl)pyridine → 3'',5''-Difluoro-5'-nitro-3,2':3',4''-terpyridin-6'-amine
https://huagongshe.com/reaction/2264195
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | 3,5-Difluoro-4-(tributylstannyl)pyridine | HCID 16427123 | — |
| Reactant | 3-Bromo-5-nitro-2,3'-bipyridin-6-amine | HCID 59596002 | — |
| Catalyst | Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI) | HCID 24350 | — |
| Catalyst | HCID 178479804 | HCID 178479804 | — |
| Solvent | 1,4-Dioxane | HCID 31275 | — |
| Product | 3'',5''-Difluoro-5'-nitro-3,2':3',4''-terpyridin-6'-amine | HCID 59595968 | — |
Reaction Steps
A mixture of 3-bromo-5-nitro-2,3′-bipyridin-6-amine (Intermediate 1, step b, 1 g, 3.39 mmol), 3,5-difluoro-4-tributylstannanylpyridine (1.5 g, 3.71 mmol), bis(triphenylphosphino) palladium (II) chloride (0.24 g, 0.34 mmol) and copper (I) iodide (0.13 g, 0.68 mmol) in dioxane (15 mL) was heated at 150° C. for 6 hours in Biotage Initiator Microwave Synthesizer.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07855202B2 |
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| Source dataset | uspto-grants-2010_12 |
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| ORD ID | ord-bbed566687474677817b5b53bff88c96 |
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| Source note | uspto-grants-2010_12 |
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