3,5-Dichloropyridine → 5-Chloro-3-(thiophene-2-yl)pyridine

HRID 2775

Reaction equation

HRID 2775 reaction equation
Cl[C:2]1[CH:3]=[N:4][CH:5]=[C:6]([Cl:8])[CH:7]=1.[S:9]1[CH:13]=[CH:12][CH:11]=[C:10]1B(O)O>>[Cl:8][C:6]1[CH:7]=[C:2]([C:10]2[S:9][CH:13]=[CH:12][CH:11]=2)[CH:3]=[N:4][CH:5]=1

Participants

3

Reactant 2

HCID 171533,5-DichloropyridineHCID 27339602-Thiopheneboronic acid

Product 1

HCID 193509075-Chloro-3-(thiophene-2-yl)pyridineYield 16%

Procedure

The title compound (0.21 g, 1.08 mmol) was prepared from 3,5-dichloropyridine (1.0 g, 6.76 mmol) and 2-thiophene boronic acid (0.95 g, 7.43 mmol) as described in EXAMPLE 48, Part B.

Sources & evidence

ORD record
ord-a753907ee0d040cd8bed715a621a022d
Source dataset
uspto-grants-1998_03
Patent number
US05731315

Linked notes

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