2,5-dibromo-1H-pyrrole synthesis
- Product Name:2,5-dibromo-1H-pyrrole
- CAS Number:56454-25-2
- Molecular formula:C4H3Br2N
- Molecular Weight:224.88
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Yield:56454-25-2 69%
Reaction Conditions:
with N-Bromosuccinimide in tetrahydrofuran;ethanol at -10; for 4 h;
Steps:
1 Preparation of Formula 1-1A
Pyrrole (6.7 g, 0.1 mol) was dissolved in tetrahydrofuran (100ml), it cooled to -10 . N- bromosuccinimide (N-Bromosuccinimide) (24.6 g, 0.1 mol) and the mixture was filtered after stirring for 1 hour after addition of ethanol was stirred for 3 hours to give a brown solid (15.3 g, 69%).
References:
KR2015/30616,2015,A Location in patent:Paragraph 0262; 0263; 0264
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