Quinazolines and 1,4-benzodiazepines. XCV [1]. Synthesis of 1,4-benzodiazepines by ring expansion of 2-chloromethylquinazolines with carbanions

R&D Labs maybe for 109774-02-9

• Chengdu Pukang Biotechnology Co., Ltd

  website:http://www.pu-kang.com

  Contact:86-028-63976226

  Address:No. 868 Xiwang Road,Xinjin county,Chengdu city, China

• Shanghai Taibao Pharmaceutical Technology Co., Ltd(expird)

  Contact:021-52217366

  Address:shanghai

• Shanghai Run-Biotech Co., Ltd.

  website:http://www.run-biotech.com

  Contact:+86-21-31576854/57171705 / 57171706

  Address:second floor, building 3, No.999, jiangyue Road, minghang District, Shanghai, China

• Shanghai Hope Chem Co., Ltd

  website:http://www.hope-chem.com

  Contact:86-21-58090396-805

  Address:Floor 4, Building 5, No.588 Tianxiong Road, Zhoupu International Medical Zone, ShangHai, China

• Shandong Xinhua Pharmaceutical Co.,Ltd

  website:http://www.xhzy.com

  Contact:+86-533-2196801

  Address:1 lutai road,zhangdian dis,Zibo City