期刊
RSC ADVANCES
卷 4, 期 3, 页码 1241-1245出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra46361c
关键词
-
资金
- National Natural Science Foundation of China [21171133, 21271143]
A catalyst-free system for the sulfenylation of free (N-H) indoles using 2,2'-dithiosalicylic acid under alkaline conditions was developed in this study. This system provides a green, convenient and efficient method for sulfenylindole synthesis, with good yields and high selectivity. This simple synthesis was performed in a green solvent (isopropanol/H2O) under atmospheric and catalyst-free conditions. The procedure was suitable for use with N-unprotected indoles. An electrophilic coupling mechanism was proposed.
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