5908-62-3,1,1-Dioxo-isothiazolidine, cas is 5908-62-3, it is a common heterocyclic compound, the thiazolidine compound, its synthesis route is as follows.
100 mg (0.231 mmol) of (¡À)-1-(4-bromophenyl)-7,8-dimethoxy-N,4-dimethyl-4,5-dihydro-3H-2,3-benzodiazepine-3-carboxamide (Example 49A), 33.6 mg (0.278 mmol) of 1,2-thiazolidine 1,1-dioxide (CAS [5908-62-3]), 64 mg (0.46 mmol) of potassium carbonate and 13 mg (0.023 mmol) of allylchloropalladium dimer (CAS [12012-95-2]) are charged in 3 ml of 2-methyltetrahydrofuran and the suspension is degassed with argon for 10 min. Then 39 mg (0.093 mmol) of di-tert-butyl(2?,4?,6?-triisopropylbiphenyl-2-yl)phosphane (CAS [564483-19-8]) are added, degassing with argon is carried out again, and the mixture is heated at 80 C. for 16 h. The crude mixture is filtered, and then the solvent is removed and the residue obtained is purified by preparative HPLC. This gave 32 mg (29% of theory) of the desired product as a solid.
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Reference£º
Patent; BAYER PHARMA AKTIENGESELLSCHAFT; SIEGEL, STEPHAN; BAURLE, STEFAN; CLEVE, ARWED; HAENDLER, BERNARD; FERNANDEZ-MONTALVAN, AMAURY ERNESTO; MONNING, URSULA; KRAUSE, SABINE; LEJEUNE, PASCALE; SCHMEES, NORBERT; BUSEMANN, MATTHIAS; HOLTON, SIMON; KUHNKE, JOACHIM; (434 pag.)JP2015/529192; (2015); A;,
Thiazolidine – Wikipedia
Thiazolidine – ScienceDirect.com