2,2′-Bifurylidene-5,5′-diones, Coumarins, 3a, 7a-dihydro-1<i>H</i>-inden-1-ones, and 5<i>H</i>-furo[3,2-<i>b</i>]pyran-5-ones from propyne and carbon monoxide
作者:Valentin Rautenstrauch、Patrick Mégard、Betty Gamper、Bernadette Bourdin、Eric Walther、Gerald Bernardinelli
DOI:10.1002/hlca.19890720423
日期:1989.6.14
were obtained 2,6-dipentyl-5 H-furo[3,2-b]pyran-5-one (13), 2,7-dipentyl–5H-furo[3,2-b]pyran-5-one (14), 3a, 7a-dihydro-2,4,7,7a-tetrapentyl-1H-inden-1-one (15). And 3a, 7a-dihydro-2,4,6,7a-tetrapentyl-1H-inden-1-one (16) from hept-1-yne, and two further types of products from two atypical 1-alkynes: 3,6,9-tri(tert-butyl)-1-oxaspiro[4.4]nona-3,6,8-trien-2-one (20) from (tert-butyl)acetylene and the exo-dimer
重新研究了丙炔和一氧化碳在丙酮中在110°和170 bar下的[Co 2(CO)8 ]催化反应。有五种主要产物:(E)-3,4'-二甲基-2,2'-二呋喃基-5,5'-二酮(4),3,5,8-三甲基香豆素(8),3a,7a-二氢-2,4,7,7a-四甲基-1 H-茚满-1-酮(9),2,6-二甲基-5 H-呋喃[3,2,-b ]-吡喃-5-酮(11)和2,7-二甲基-5 H-呋喃3,2- b-吡喃-5-一(12); 其中只有4个。先前已被认可。在平行实验中,获得了2,6-二戊基-5 H-呋喃[3,2 - b ]吡喃-5-酮(13),2,7-二戊基-5 H-呋喃[3,2- b ]吡喃- 5一(14),3a,7a-二氢-2、4、7、7a-四戊基-1 H-茚满-1-一(15)。和来自庚-1-炔的3a,7a-二氢-2,4,6,7a-四戊基-1 H-茚满-1-一(16)和来自两个非典型1-炔烃的另外