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Copper(I)-Promoted Synthesis of 4-Oxaspiro[2.4]hepta-1,6-dien-5-ones from Cyclopropenones
Synthesis ( IF 2.2 ) Pub Date : 2009-08-14 , DOI: 10.1055/s-0029-1216934 Rolf Gleiter , Olivia Körner , Frank Rominger
中文翻译:
铜(I)促进环丙烯酮合成4-氧杂螺[2.4]庚-1,6-dien-5-ones。
更新日期:2009-08-14
Synthesis ( IF 2.2 ) Pub Date : 2009-08-14 , DOI: 10.1055/s-0029-1216934 Rolf Gleiter , Olivia Körner , Frank Rominger
Heating of dialkyl- or diarylcyclopropenones at 75 ˚C in the presence of copper(I) bromide (5 mol%) affords the corresponding 4-oxaspiro[2.4]hepta-1,6-dien-5-ones in good yields.
cyclopropenones - spirolactones - copper(I) catalysis
中文翻译:
铜(I)促进环丙烯酮合成4-氧杂螺[2.4]庚-1,6-dien-5-ones。
在溴化铜(I)(5 mol%)存在下,在75°C下加热二烷基或二芳基环丙烯酮,以良好的收率得到相应的4-氧杂螺[2.4]庚-1,6-dien-5-one。
环丙酮-螺内酯-铜(I)催化