Asymmetric Syntheses of (S)-2-Methyl-3,4,5,6-tetrahydro-2H-pyran-4-one and (2S,6S)-2,6-trans-Dimethyl-3,4,5,6-tetrahydro-2H-pyran-4-one Which Employ a Common Lactol Intermediate

R&D Labs maybe for 133813-44-2

• Xiamen XM-Innovation Chemical Co., Ltd

  Contact:+86-592-3216205

  Address:Unit Q, 11/F, No.1 Office Building, Wuyuan Bay Business Center, Huli District, Xiamen City, Fujian Province, P.R.C

• Beijing Green Guardee Technology CO,.LTD

  Contact:+86-10-69706062

  Address:F2 BLdj,5 No.37 Chaoqian Road

• Guangxi Shanyun Biochemical Science and Technology Co., Ltd

  Contact:+86-0772--6828887

  Address:#2 Industrial Park of Luzhai County, Liuzhou, Guangxi, China

• Jiacheng-Chem Enterprises Limited(expird)

  Contact:86-571-86711508

  Address:19 Floor, CIBC Holley International Building, No. 198,Wuxing Road, Hangzhou, China,310020

• Zipont chem(wuhan）Tech co.，Ltd

  Contact:+86-27-87587198

  Address:wuhan