Chemistry:Bohlmann-Rahtz pyridine synthesis
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Bohlmann-Rahtz pyridine synthesis | |
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Named after | Ferdinand Bohlmann Dieter Rahtz |
Reaction type | Ring forming reaction |
Identifiers | |
Organic Chemistry Portal | bohlmann-rahtz-pyridine-synthesis |
In organic chemistry, the Bohlmann-Rahtz pyridine synthesis is a reaction that generates substituted pyridines in two steps, first a condensation reaction between an enamine and an ethynylketone to form an aminodiene intermediate, which after heat-induced E/Z isomerization undergoes a cyclodehydration to yield 2,3,6-trisubstituted pyridines.[1][2]
References
- ↑ Bagley, Mark C.; Dale, James W.; Bower, Justin (January 2001). "A New Modification of the Bohlmann-Rahtz Pyridine Synthesis". Synlett 2001 (7): 1149–1151. doi:10.1055/s-2001-15140.
- ↑ Xiong, Xi; Bagley, Mark C.; Chapaneri, Krishna (2 August 2004). "A new mild method for the one-pot synthesis of pyridines". Tetrahedron Letters 45 (32): 6121–6124. doi:10.1016/j.tetlet.2004.06.061.