A [4 + 2] cycloaddition strategy to pyridine boronic ester derivatives.
Alkynylboronate cycloadditions of 1,4-oxazin-2-ones and 2-pyrazinones provide a direct and regioselective route to functionalized pyridine boronic ester derivatives.
Delaney
Patrick M
PM
Department of Chemistry, University of Sheffield, Brook Hill, Sheffield S3 7HF, United Kingdom.
Huang
Jianhui
J
Macdonald
Simon J F
SJ
Harrity
Joseph P A
JP
D000480:Alkynes / Q000737:chemistry; D001896:Boron Compounds / Q000138:chemical synthesis* / Q000737:chemistry*; D003500:Cyclization; D004952:Esters; D015394:Molecular Structure; D010078:Oxazines / Q000737:chemistry*; D011725:Pyridines / Q000737:chemistry*; D011726:Pyridinium Compounds / Q000138:chemical synthesis* / Q000737:chemistry; D013237:Stereoisomerism
D000480:Alkynes; D001896:Boron Compounds; D004952:Esters; D010078:Oxazines; D011725:Pyridines; D011726:Pyridinium Compounds