Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 128453-98-5, name is 4-(tert-Butoxycarbonyl)thiomorpholine-3-carboxylic acid. This compound has unique chemical properties. The synthetic route is as follows. 128453-98-5
(b) 3-(pyrrolidine-1-carbonyl)thiomorpholine Triethylamine (3.1 ml). followed by a solution of pyrrolidine (2.0 ml) in 10 ml of tetrahydrofuran, was added at 0 C. under a stream of nitrogen to a solution of 5.0 g of 4-(t-butoxycarbonyl)thiomorpholine-3-carboxylic acid in 100 ml of tetrahydrofuran. After the mixture had been stirred for I hour, a solution of 3.6 g of ethyl cyanophosphate in 10 ml of tetrahydrofuran was added to the mixture and the mixture was stirred for 5 hours. Water was added to the reaction mixture and the mixture was extracted with ethyl acetate. The organic layer was dried over anhydrous magnesium sulfate and the solvent was concentrated under reduced pressure. The residue was recrystallized from ethyl acetate/hexane to yield 461 g (74%) of 4-(t-butoxycarbonyl)-3-(pyrrolidine-1-carbonyl)thiomorpholine.
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Reference£º
Patent; Sankyo Company Limited; US5021413; (1991); A;,
Thiomorpholine – Wikipedia
Thiomorpholine | C4H9NS – PubChem