Asymmetric synthesis of both diastereomers of protected S-methyl-l-cysteine and S-n-propyl-l-cysteine sulphoxides |
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| Institution: | 1. Departamento de Quı́mica Orgánica y Farmacéutica. Facultad de Farmacia Universidad de Sevilla, Apdo. de Correos No. 874, E-41071 Seville, Spain;2. Centro de Investigaciones Quı́micas. Universidad Autónoma del Estado de Morelos Av. Universidad No. 1001, 62210 Cuernavaca, Mor., Mexico;1. Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, PR China;2. Department of Chemistry and Materials, Yulin Normal University, Yulin 537000, PR China;1. Innovation Center of the Faculty of Technology and Metallurgy, Karnegijeva 4, 11000 Belgrade, Serbia;2. Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia;1. Department of Haematooncology and Bone Marrow Transplantation, Medical University of Lublin, Poland;2. Department of Haematology, Collegium Medicum, Jagiellonian University, Cracow, Poland;3. Department of Haematology, Oncology and Internal Medicine, Medical University of Warsaw, Poland;4. Department of Haematology SSM, Torun, Poland;5. Department of Haematology Medical University of Poznan, Poland;6. Department of Lymphoid Malignancies, Institute of Oncology, Warsaw, Poland;7. Centre of Postgraduate Medical Education, Warsaw, Poland;8. Institute of Hematology and Transfusion Medicine, Warsaw, Poland;9. Department of Haematology and Bone Marrow Transplantation, Silesian Medical University, Katowice, Poland;10. Department of Haematology Medical University of Bydgoszcz, Poland;11. Department of Haematology, Blood Neoplasms and Bone Marrow Transplantation, Wroclaw Medical University, Poland;12. Department of Haematology Medical University of Lodz, Poland;13. Department of Haematology SW, Opole, Poland;14. Department of Haematology WSS, Legnica, Poland;15. Department of Haematology ZSM, Chorzow, Poland;p. Department of Haematology, Military Institute of Medicine in Warsaw, Poland;q. Department of Haematology WSS, Rzeszow, Poland;r. Department of Haematology SW, Zielona Gora, Poland |
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| Abstract: | The preparation of both isomers at sulphur of N-(benzyloxycarbonyl)-S-methyl (-propyl)-S-oxo-l-cysteine methyl ester has been carried out using l-cysteine and diacetone-d-glucose (DAG) as starting material and inductor of the chirality at sulphur, respectively. |
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