186801-20-7Relevant articles and documents
Efficient synthesis of new chiral 1,2-benzothiazin-3-one 1,1-dioxide derivatives via lateral lithiation of 3-N-mesitylenesulfonyl-1,3-oxazolidin-2-ones
Ould Aliyenne, Ahmed,Kra?em, Jamil,Kacem, Yakdhane,Ben Hassine, Béchir
, p. 1473 - 1475 (2008/09/18)
Chiral 3-N-mesitylenesulfonyl-1,3-oxazolidin-2-ones 4a-e derived from (l)- and (d)-amino acids 1a-e undergo lateral lithiation with lithium diisopropylamide and TMEDA in anhydrous THF to provide new optically-active 1,2-benzothiazin-3-one 1,1-dioxide deri