BF3ÅEOEt2 Catalyzed [4+2] Cycloaddition Reactions of N-Aryl Schiff's Bases with 1-Alkenyl, 1,2-Propadienyl, and 1-Alkynyl Sulfides
摘要:
[4+2] Cycloaddition reaction proceeds between N-aryl Schiff's bases and I-alkenyl sulfides, a 1,2-propadienyl sulfide, or 1-alkynyl sulfides in the presence of BF3.OEt2 to provide 2-substituted quinoline derivatives. A 2-alkyl-4-quinolone alkaloid, leptomerine, is prepared by applying the present cycloaddition reaction.
BF3ÅEOEt2 Catalyzed [4+2] Cycloaddition Reactions of N-Aryl Schiff's Bases with 1-Alkenyl, 1,2-Propadienyl, and 1-Alkynyl Sulfides
摘要:
[4+2] Cycloaddition reaction proceeds between N-aryl Schiff's bases and I-alkenyl sulfides, a 1,2-propadienyl sulfide, or 1-alkynyl sulfides in the presence of BF3.OEt2 to provide 2-substituted quinoline derivatives. A 2-alkyl-4-quinolone alkaloid, leptomerine, is prepared by applying the present cycloaddition reaction.
BF3ÅEOEt2 Catalyzed [4+2] Cycloaddition Reactions of N-Aryl Schiff's Bases with 1-Alkenyl, 1,2-Propadienyl, and 1-Alkynyl Sulfides
作者:Koichi Narasaka、Takanori Shibata
DOI:10.3987/com-92-s(t)98
日期:——
[4+2] Cycloaddition reaction proceeds between N-aryl Schiff's bases and I-alkenyl sulfides, a 1,2-propadienyl sulfide, or 1-alkynyl sulfides in the presence of BF3.OEt2 to provide 2-substituted quinoline derivatives. A 2-alkyl-4-quinolone alkaloid, leptomerine, is prepared by applying the present cycloaddition reaction.