Side-chain halogenation of 2-methylchromones with thionyl chloride.

✍ Scribed by J.R. Merchant; A.R. Bhat; D.V. Rege

• Book ID: 104236915
• Publisher: Elsevier Science
• Year: 1972
• Tongue: French
• Weight: 127 KB
• Volume: 13
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(01)85040-1

✦ Synopsis

The reeotion of 2-rethylobronoae with thlonyl ohlerldo ia belling beaoeao affordr a ory8tolline triohloro oempeund (A) CI@602C12, rrp.llB*, whioh on the basis oi rpeefral d8t8 oould hare the 8truetora I or II c U*F. hCH2W 18X , 226,200 nm (log (: 2&6,2+72)4 1.r. (mjol), 1960,1618 or" (oanjoyted CO);n,m.r. (WC13 5 8.