Pechmann reaction of 4-hydroxycoumarins and thiocoumarins with cyclohexanone and ethyl cyclopentanone-2-carboxylates

R&D Labs maybe for 81450-26-2

• Synasia Inc

  Contact:17316303296

  Address:240 Amboy Ave

• Hangzhou Ocean Chemical Co., Ltd.

  website:http://www.hzoceanchem.com

  Contact:+86-571-88025872, 28272092, 28272096

  Address:Room 623 ,Building No 1 , COFCO Radius Commercial Center Xiwen Road, Xiacheng District, Hangzhou, Zhejiang Province, China

• Chengdu Boon Stream Chemical Industry Co.,Ltd.

  Contact:+86-28-83156758

  Address:No.859,Dongzikou Road,Jinniu District,Chengdu,Sichuan,P.R.China

• Beijing Mesochem Technology Co.,LTD

  website:http://www.mesochem.com

  Contact:0086-10-57862036

  Address:2301, Floor 23, Building 9 Lippo Plaza, Yard 8 Ronghua Middle Road, ETDZ, Beijing, China

• Chemwill Asia Co., Ltd.

  website:http://www.chemwill.com

  Contact:021-51086038

  Address:High-Tech Industrial park,Chemical Economical Development Zone,Xuzhou, Jiangsu-Province, P.R.China