Ethane, 2-bromo-1,1-diethoxy- → 2-Amino-5-bromopyridine
Reaction equation
[Br:1][C:2]1[CH:3]=[CH:4][C:5]2[N:6]([CH:8]=[CH:9][N:10]=2)[CH:7]=1.C(OC(OCC)CBr)C>>[Br:1][C:2]1[CH:3]=[CH:4][C:5]2[N:6]([CH:8]=[CH:9][N:10]=2)[CH:7]=1.[NH2:10][C:5]1[CH:4]=[CH:3][C:2]([Br:1])=[CH:7][N:6]=1Participants
4
Procedure
The title compound (Intermediate 91, 3.36 g) was obtained from commercially available bromoacetaldehyde-diethylacetal (4.7 ml, WAKO) and 2-amino-5-bromopyridine (4.32 g, Ald) by a known method described in a publication (Yamanaka, M. et al., Chem. Pharm. Bull., 1991, vol. 39, p. 1556).
Sources & evidence
- ORD record
- ord-0acf1eaf74154a6b9e3d410f310b5c29
- Source dataset
- uspto-grants-2008_12
- Patent number
- US07470807B2
Reaction notes
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