Thiophene-3-boronic acid → HCID 22998374, compound
Reaction equation
[S:1]1[CH:5]=[CH:4][C:3](B(O)O)=[CH:2]1.Br[C:10]1[S:14][C:13]([S:15]([N:18]2[CH:22]=[CH:21][CH:20]=[CH:19]2)(=[O:17])=[O:16])=[CH:12][CH:11]=1>>[S:1]1[CH:5]=[CH:4][C:3]([C:10]2[S:14][C:13]([S:15]([N:18]3[CH:22]=[CH:21][CH:20]=[CH:19]3)(=[O:16])=[O:17])=[CH:12][CH:11]=2)=[CH:2]1Participants
3
Procedure
N-[5-(3-thienyl)thiophene-2-sulfonyl]pyrrole was prepared in the same manner as described in Example 32C from 3-thienylboronic acid and N-(5-bromothiophene-2-sulfonyl)pyrrole in quantitative yield. This was purified by recrystallization using hexane/ethyl acetate as solvent.
Workup
- customThis was purified by recrystallization
Sources & evidence
- ORD record
- ord-15ece96af98f468a8d000e6b73886de8
- Source dataset
- uspto-grants-1997_01
- Patent number
- US05594021
Reaction notes
Loading…