Effects of 3-substituents upon orientation in the 1,3-dipolar cyclo-addition reaction between 3-substituted pyridine N-imides and ethyl propiolate: syntheses of ethyl 4- and 6-substituted pyrazolo[1,5-a]-pyridine-3-carboxylates

✍ Scribed by Tamura, Yasumitsu; Sumida, Yoshio; Miki, Yasuyoshi; Ikeda, Masazumi

• Book ID: 111685252
• Publisher: Royal Society of Chemistry
• Year: 1975
• Weight: 498 KB
• Volume: 5
• Category: Article
• ISSN: 1472-7781
• DOI: 10.1039/p19750000406