Reactions of fluoroalkyl-containing lithium 1,3-diketonates with diaminoarenes and 2-aminobenzenethiol
作者:V. I. Filyakova、N. S. Boltacheva、D. V. Sevenard、V. N. Charushina
DOI:10.1007/s11172-010-0314-x
日期:2010.9
synthesized by the reaction of lithium 1,3-diketonates with 1,2-diaminobenzene and 2,3-diaminonaphthalene in an MeOH-AcOH-HCl mixture at 0 °C. The reactions of fluoroalkyl-containing lithium 1,3-diketonates with 1,2-diaminobenzene and 1,2-diamino-4,5-difluorobenzene under reflux in acetic acid afford 2-fluoroalkyl-containing benzimidazoles as the major products, whereas the reaction with 2-aminothiophenol
摘要 1,3-二酮酸锂与1,2-二氨基苯和2,3-二氨基萘在甲醇中反应合成了1,5-苯并[b]-和1,5-萘并[2,3-b]二氮杂-AcOH-HCl 混合物在 0 °C。含氟烷基的 1,3-二酮酸锂与 1,2-二氨基苯和 1,2-二氨基-4,5-二氟苯在乙酸中回流反应,主要产物为含 2-氟烷基的苯并咪唑,而反应与 2-氨基苯硫酚生成 2-苯基苯并噻唑。含有环己烷和环戊烷部分的二酮酸锂与 1,2-二氨基芳烃和 2-氨基苯硫醇的反应伴随着碳环的打开形成 2-(6-氧代-7,7,7-三氟庚基)苯并咪唑和 2- (5-氧代-6,6,6-三氟己基)苯并噻唑水合物。