APPLICATION OF COPPER CATALYSIS IN A ONE-POT PROCEDURE FOR 1-ALKYL-3-METHOXY-2-METHYLTHIOPYRROLES STARTING FROM METHOXYALLENE AND ALKYL ISOTHIOCYANATES
Na. Nedolya et al., APPLICATION OF COPPER CATALYSIS IN A ONE-POT PROCEDURE FOR 1-ALKYL-3-METHOXY-2-METHYLTHIOPYRROLES STARTING FROM METHOXYALLENE AND ALKYL ISOTHIOCYANATES, Tetrahedron letters, 39(16), 1998, pp. 2409-2410
1-Alkyl-3-methoxy-2-methylthiopyrroles are obtained with high purities
and in high yields by Cu(I)halide-catalyzed cyclization of the produc
ts from addition of 1-lithiomethoxyallene to alkyl isothiocyanates and
subsequent methylation. (C) 1998 Elsevier Science Ltd. All rights res
erved.