
Heterocycles p. 949 - 954 (1993)
Update date:2022-07-30
Topics:
Katoh, Akira
Ohkanda, Junko
Sato, Hiroshi
Sakamoto, Tsuyosi
Mitsuhashi, Keiryo
3-(Aryl)substituted 2,4(1H,3H)-pteridinediones are synthesized in high yields by addition and simultaneous cyclization of methyl 3-amino-2-pyrazinecarboxylate with isocyanates.The remarcable difference in the reactivity is observed among heterocumulenes.The absorption and fluorescence spectroscopic characteristics of the titled compounds are also discussed.
View MoreShandong Xinke Petrochemical Co., Ltd.
Contact:+86-546-7277016
Address:Gudao Industrial Park, Hekou District, Dongying, Shandong Province, China
LianYunGang Chiral Chemical(CHINA) CO.,LTD
Contact:+86-518-83616958 +86-519-82884848
Address:LianYunGang Chemical Industry Park (JiangSu)
Penglai Qianwei Chemical Co., Ltd.
Contact:86-535-3357802
Address:Shahelu (north), Penglai, Shandong, China
Shanghai Xinda Pharmaceuticals Co., Ltd.
Contact:86-21-33692333-8008
Address:999 Linxian Road, Jinshan Industrial Park, Shanghai, China
Zhejiang Tianyu Pharmaceutical Co., Ltd.
Contact:+86-576-84177669, 89189665,89189688,84168770
Address:Jiangkou Development Zone, Huangyan, Taizhou City, Zhejiang
Doi:10.1021/ic9906252
(1999)Doi:10.1016/S0957-4166(99)00328-6
(1999)Doi:10.1080/10426509908031623
(1999)Doi:10.1021/jo971880b
(1997)Doi:10.1016/S0003-2670(00)86786-0
(1970)Doi:10.1021/acs.oprd.0c00362
(2020)