Unusual regioselectivity in the reductive coupling of alkynes and allenes by hydrozirconation and zinca-claisen rearrangement

R&D Labs maybe for 201154-01-0

• sichuan tiancai fine co LTD.

  website:http://www.tcfinechem.com/

  Contact:18681346930

  Address:baifu town,whou district

• Shanghai Yuanye Bio-Technology Co., Ltd.

  website:http://www.shyuanye.com

  Contact:+86-21-61845781

  Address:Building 6, No. 465, Changta Road,Songjiang District,Shanghai,China

• Shanghai Gsyn Chemical Co.,Ltd.

  Contact:86-021-67158290

  Address:86-021-67158291

• Hebei Lead Bio-Chemicals Co., Ltd.

  website:http://www.ldbiochem.com

  Contact:+86-311-87826503

  Address:481, Heping West Road, Shijiazhuang,China

• Taixing Shenfeng Chemical Co., Ltd.

  Contact:+86-523-87117033, 87117666

  Address:4# Yinsanlu, Huangqiao town, Taixing, Jiangsu, China.