Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Wilhelmus R M Overbeek"'
Publikováno v:
ChemInform. 23
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46fdb72b6409e2587af832261ba0df81
https://doi.org/10.1002/chin.199209295
https://doi.org/10.1002/chin.199209295
Publikováno v:
Tetrahedron. 47:9419-9430
The efficient and stereoselective introduction of the 1α-OH function in vitamin D3 is described starting from the known previtamin D3 adduct 6. The sequence involves the stereoselective allylic bromination to 9, followed by substitution with mercuri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55e533ac1376fc1ee5ef094be34a6f6a
https://doi.org/10.1016/s0040-4020(01)80888-7
https://doi.org/10.1016/s0040-4020(01)80888-7
Publikováno v:
Tetrahedron. 40:1179-1182
An efficient method for the preparation of crystalline α-hydroxy previtamin D3 is described. Also the stereoselective reduction of 1-keto previtamin 9 is discussed; it was observed that with aluminum hydride 7 is the most abundant product. This stan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4bb2b04557d61061f4c8b9f904e3f7a2
https://doi.org/10.1016/s0040-4020(01)99323-8
https://doi.org/10.1016/s0040-4020(01)99323-8