The Mannich Base of Troponoid and its Application. II. On 5-Bromomethyltropolone Derivative
作者:Shuichi Seto、Kyozo Ogura
DOI:10.1246/bcsj.32.1118
日期:1959.10
Reaction of 3,7-dibromo-5-hydroxymethyltropolone with hydrobromic acid affords 3,7-dibromo-5 -bromomethyltropolone, which has a high reactivity and reacts with various anionoid reagents to undergo substitution of bromine in the bromomethyl group. In this manner it is possible to extend the substituent by forming C–O, C–N, C–S and C–C bonding at the tip of the methyl group in position 5 of the tropolone ring.
3,7-二溴-5-羟甲基托吡酮与氢溴酸反应生成3,7-二溴-5-溴甲基托吡酮,该物质具有高反应性,可与多种阴离子试剂反应,从而取代溴甲基中的溴原子。通过这种方式,可以在托吡酮环5位的甲基末端形成C-O、C-N、C-S和C-C键,从而扩展取代基。