Archiv der Pharmazie p. 1034 - 1041 (1983)
Update date:2022-08-05
Topics:
Eiden, Fritz
Felbermeir, Gerda
3-Hydroxy-1-thiochromone (3a) reacts with formaldehyde and amines to yield the title compounds 5a-5h.Heating of 5a results in the formation of the spiro compound 9.Addition of the enamines 11 or 12 leads to the pyranothiochromones 15a or 14.
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Doi:10.1016/j.tetasy.2006.01.002
(2006)Doi:10.1248/cpb.31.3553
(1983)Doi:10.1016/j.bmc.2005.12.007
(2006)Doi:10.1021/jo052676o
(2006)Doi:10.1039/c1cc14916d
(2011)Doi:10.1007/BF00911939
(1978)
