A Fast and Large-Scale Synthesis of 3-Formyl-2-mercaptoquinolines
摘要:
A convenient, efficient, and inexpensive procedure for the synthesis of 3-formyl-2-mercaptoquinolines 2a-l has been developed by a simple one-pot reaction of 3-formyl-2-chloroquinolines 1a-l with sodium sulfide and hydrochloric acid in ethanol. The structures of all the synthesized compounds were elucidated on the basis of elemental analyses and IR, H-1 NMR, and mass spectral data.
Microwave Induced One-Pot Synthesis of Some New Thiopyrano[2,3-b]quinolin-2-ones under Solvent-Free Conditions
作者:M. Raghavendra、Halehatty S. Bhojya Naik、Bailure S. Sherigara
DOI:10.1080/10426500701613170
日期:2008.4.18
A series of somenew thiopyrano[2,3-b]quinolin-2-one 2a-i have been synthesized by the onepot reaction between 2-mercaptoquinoline-3-carbaldehyde 1a-i and phenoxyacetic acid using TEA catalyst undermicrowaveirradiation in solvent free conditions. The procedure is simple, environmentally benign and occurs in good yields. All the newly synthesized compounds were characterized by elemental analyses