34999-63-8Relevant articles and documents
One-pot synthesis of 1,4-dihydro-3,1-benzoxazine-2-thiones by the reaction of 2-lithiophenyl isothiocyanates with aldehydes or ketones
Kobayashi, Kazuhiro,Yokoi, Yuki,Komatsu, Toshihide,Konishi, Hisatoshi
experimental part, p. 9336 - 9339 (2011/01/12)
An efficient one-pot method for the synthesis of 4-monosubstituted and 4,4-disubstituted 1,4-dihydro-3,1-benzoxazine-2-thiones has been developed. Treatment of 2-bromophenyl isothiocyantes with butyllithium in THF at -78 °C generates 2-lithiophenyl isothi