1: phenyllithium With copper (I) cyanide in tetrahydrofuran; formaldehyde diethyl acetal T=-78 - -30°C; Inert atmosphere; 2: 2-(2-methylaziridin-1-ylsulfonyl)benzo[d]thiazole in tetrahydrofuran; formaldehyde diethyl acetal T=-78 - -50°C; Inert atmosphere;

1: methyllithium With copper (I) cyanide in tetrahydrofuran; formaldehyde diethyl acetal T=-78 - -30°C; Inert atmosphere; 2: 2-(2-methylaziridin-1-ylsulfonyl)benzo[d]thiazole in tetrahydrofuran; formaldehyde diethyl acetal T=-78 - -50°C; Inert atmosphere;