Reaction of ethyl 3-ethoxymethylene-2,4-dioxovalerate and ethyl ethoxymethyleneoxaloacetate with 3-aminopyrazole analogs. Synthesis and chemistry of 3,6,7-trisubstituted pyrazolo[1,5-a]pyrimidine derivatives

R&D Labs maybe for 77947-26-3

• King Brother Chem Co., Ltd

  website:http://www.uvchemkeys.com

  Contact:0086-021-58785816

  Address:RM2607 Building No.1 Guosheng, Lane 388, Zhongjiang Road, Putuo District, Shanghai 200062 China

• Nanjing Chemzam Pharmtech Co., Ltd.

  Contact:+86-25-86462165,+86-13915979898

  Address:C5-1，6 Maiyue Road，Maigaoqiao，Nanjing，Jiangsu，China

• Shandong Wanda Organosilicon New Material Co., Ltd

  Contact:+86-21-54177116;54302881

  Address:R1318 Greenland No. 3 Lane 58 Xinjian East Rd., Minhang

• Luoyang Aoda chemical Co.,Ltd.

  Contact:+86-379-67518785 67516588

  Address:MiaoWan industry district,YanShi City,Henan,China

• Oren Hydrocarbons (Qingdao) Co., Ltd.

  Contact:+86-532-68607667-801

  Address:Room 3 # 302, No.9 Qingyun Road, Qingdao, China