A new, highly efficient, selective methodology for formation of medium-ring and macrocyclic lactones via intramolecular ketene trapping: An application to a convergent synthesis of (-)-kromycin

R&D Labs maybe for 123411-58-5

• TIANJIN ZHONGXIN CHEMTECH CO.,LTD.

  Contact:86-022-66880623

  Address:FINANCIAL STREET WEST BLK 7, #308, NO.52 XINCHENG WEST ROAD, TEDA, TIANJIN, P.R.CHINA

• Xuzhou Tianrun Chemical Co.,Ltd

  website:http://www.tianrunchem.cn

  Contact:86-516-83832636

  Address:fuxing road

• Zibo Linzi Darong Fine Chemical Co., Ltd(expird)

  Contact:86-532-67773200; 15689126900

  Address:Qidu town,Linzi district,Zibo city,Shandong province,China

• Weinan Rigel Pharm Co., Ltd.

  Contact:+86-913-2223392

  Address:No. 32, Xinanjing Road, Weinan City, Shaanxi Province, 714000, China

• Zha Yan

  Contact:+86-13914766747

  Address:Floors 21&22, Jin Cheng Tower, No. 216 Middle Longpan Road, Nanjing