α-Acylamino radical cyclizations using allenes and vinylsilanes as addends: Applications to the synthesis of (+)-heliotridine and (-)-dihydroxyheliotridine

R&D Labs maybe for 122923-24-4

• Shanghai Coupling Pharmaceutical R&D Co., Ltd.(expird)

  Contact:+86 021 50106671

  Address:403 Room No.4 Buiding, No. 526 Ruiqing Road, Shanghai Zhangjiang Hi-Tech Park

• Shanghai Profirst Co., Ltd.

  Contact:+86-21-38122007

  Address:2, Lane 1123, Kangqiao Road, Pudong New Area, Shanghai

• Heading（Nanjing）Pharmtechnologies

  Contact:86 25 58467899-950 025-58862846-950

  Address:Room C413 Fengyu Building, 115 Fucheng Road, Haidian District, Beijing 100142, China

• zhenjiang runjing high purity chemical co ltd

  Contact:+86-511-83361155

  Address:No.8.haixi road,international chemical park

• Jinan Hongfangde Pharmatech Co.LTD

  Contact:0531-88870908

  Address:F Bldg,750#,Shunhua Rd,New&High-tech Zone,Jinan,Shandong,China 250101