Enantiopure 2,3-dihydro-4-pyridones as synthetic intermediates. Asymmetric syntheses of the quinolizidine alkaloids (+)-myrtine, (-)-lasubine I, and (+)-subcosine I

R&D Labs maybe for 149563-95-1

• Changzhou Qidi Chemical Co., Ltd

  website:http://www.czqdhg.com/

  Contact:86-519-83382137

  Address:128-1-16# HuaYuan Street,Hutang Town,Wujin District,Changzhou City,P.R.China.

• Shandong General Materials Co.,Ltd（Shandong Aoertong Chemical Co., Ltd）

  Contact:86-531-88072280

  Address:No. 1825 Hualong Road, Licheng District, Jinan, Shandong, China

• SHANDONG ZHANHUA YONGHAO PHARMACEUTICAL TECH.CO.,LTD

  Contact:+86-576-88685096

  Address:GENGJU VILLAGE NORTH ONE KILOMETER,ZHANHUA DISTRICT,BINZHOU CITY,SHANDONG PROVINCE,CHINA.

• uni source industries limited

  Contact:86 21 3772 9386

  Address:Rm.1803,Starry Bldg.1,1505 Meijiabang Road,Shanghai 201620 China

• Henan Harvest Chem Co., Ltd

  Contact:+86-371-86058576

  Address:NO.32, Jingsan Road, Zhengzhou, China