公开(公告)号：US20060173199A1

公开(公告)日：2006-08-03

申请号：US10542176

申请日：2004-01-16

申请人： Borcherng Hong ,  Zhong-Yi Chen ,  Arumugam Nagarajan ,  Kottani Rudresha ,  Vishal Chavan ,  Sepehr Sarshar

发明人： Borcherng Hong ,  Zhong-Yi Chen ,  Arumugam Nagarajan ,  Kottani Rudresha ,  Vishal Chavan ,  Sepehr Sarshar

IPC分类号： C07D307/91

CPC分类号： C07D493/04 ,  C07C69/734 ,  C07D309/10 ,  C07D309/30 ,  C07D319/06 ,  C07D493/08 ,  C07D493/14 ,  C12P17/06

摘要： Processes for preparing racemic and optically pure 3,6-dihydro-2H-pyrans of formulae H, I, N and O are described. These compounds may be further transformed into compounds of formulae J, K, L, M, P, Q, S, T, U, V, Y and Z with potential pharmaceutical, pharmaceutical excipient, cosmeceutical, agrochemical and industrial applications.