Inverse-electron-demand diels-alder reactions of condensed pyridazines, part 1. Synthesis of phthalazine derivatives from pyridazino[4,5-d]pyridazines.

✍ Scribed by Norbert Haider

• Book ID: 104203981
• Publisher: Elsevier Science
• Year: 1991
• Tongue: French
• Weight: 673 KB
• Volume: 47
• Category: Article
• ISSN: 0040-4020
• DOI: 10.1016/s0040-4020(01)86436-x

✦ Synopsis

Abstra& The 1.4~diarylpyridazino[4,5-dlpyridazine derivatives la,b were found to undergo [4+2] cycloaddition reactions with a variety of electron-rich dienophiles like enamines and ketene acetals to affotd phthalazine derivatives in good to high yields.