Horner-Emmons olefination of 4-hydroxy-2-oxoalklyphosphonates and related compounds: Applications to the syntheses of (±)-Gingerol, (±)-Yashabushiketol, and (±)-Dihydroyashabushiketol

R&D Labs maybe for 115495-60-8

• Hangzhou J&H Chemical Co., Ltd.

  website:http://www.jhechem.com/

  Contact:+86-571-87396432

  Address:No.200 Zhenhua Rd.Xihu Industrial Park, Hangzhou 310030, China

• HANWAYS CHEMPHARM CO.,LIMITED

  website:http://www.hanwayschem.com

  Contact:+86-18502787239(whatsapp)-

  Address:18-1-802, Green Garden, Jianghan District, Wuhan 430023, China

• Shanghai Sunway Pharmaceutical Technology Co.,Ltd.

  Contact:+86-21-5161 3915

  Address:Shanghai YangPu

• GLD peptide scientific lnc.

  Contact:21-7631221 15884421033

  Address:326 Science and technology,Shanghai,China

• Jiangsu Wanlong Chemical Co., Ltd.

  website:http://www.wanlongchem.com

  Contact:+86-511-86810993 0086-511-8681 0888;

  Address:Quanzhou Town, Danyang City, Jiangsu