Oxazepines and thiazepines, XXIII: An efficient synthesis of 2,3-dihydro-1,5-benzoxazepin-4(5H)-ones

R&D Labs maybe for 130781-50-9

• NEW FORTUNE INDUSTRIAL CO.,LTD.

  website:http://newfortune.lookchem.com/

  Contact:+86-25-8645-9456

  Address:C4-105 GREEN ISLAND FLOWER TOWN

• Sanming Coffer Fine Chemical Industrial Co., Ltd

  website:http://www.cofferxm.com/

  Contact:+86-598-5853979

  Address:Jin-sha Yuan Chuang-ye Park,Hi-Tech Development Zone,Sanming City P.R.China

• Synochem Ingredients Corp., Ltd.

  Contact:+86-512-5636 2180

  Address:Zhangjiagang Free Trade Zone

• BOC Sciences

  website:https://www.bocsci.com/

  Contact:1-631-485-4226

  Address:Ramsey Road

• Wuhan Chemwish Technology Co., Ltd

  website:http://www.chemwish.com/

  Contact:+86-27-67849912

  Address:Room 1311, Unit 2, Block1, Innovation Road East Lake High-tech Development Zone Wuhan, Hubei，P.R. China