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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 56, Number 4
JKCSEZ 56(4)
August 20, 2012 

Microwave-assisted Synthesis of Benzo-[1,4]-oxazinones Using MeO-PEG-OMe as Solvent

MeO-PEG-OMe를 사용한 benzo-[1,4]-oxazinone 화합물의 마이크로웨이브 합성
Jae Min Lim*, Gyunghee Gam, Shin Hyuong Kim, Kiwan Jang, Dong Soo Shin*

임재민*, 감경희, 김신형, 장기완, 신동수*
Benzo-[1,4]-oxazinone, Microwave-assisted, MeO-PEG-OMe, Pyrido-[1,4]-oxazinone, Smiles rearrangement
Efficient one-pot microwave-assisted synthesis of various benzo-[1,4]-oxazinones via Smiles rearrangement is described. Treatment of 2-chloroacetamide, substituted 2-chlorophenols and cesium carbonate in MeO-PEG-OMe (2,000) as solvent afforded the corresponding benzo-[1,4]-oxazinones and 1H-pyrido[2,3-b][1,4]-oxazin-2-(3H)-one as moderate yield.
468 - 472
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