68314-04-5Relevant articles and documents
Preparation method of 3-chloromethyl oxacephem antibiotics parent nucleus
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, (2017/02/02)
The invention discloses a preparation method of 3-chloromethyl oxacephem antibiotics parent nucleus and belongs to the technical field of drug synthesis. According to the invention, compound 1 is used as the raw material, and a three-step reaction is carr
CONVENIENT SYNTHESIS OF 3'-SUBSTITUTED METHYL 7α-METHOXY-1-OXACEPHEMS
Aoki, Tsutomu,Yoshioka, Mitsuru,Kamata, Susumu,Konoike, Toshiro,Haga, Nobuhiro,Nagata, Wataru
, p. 409 - 413 (2007/10/02)
A convenient synthesis of the title compounds 1 is achieved by formation of glycols 3, 12, 13 and 14 or chlorohydrins 6 from epioxazolines having pertinent allylic substituents, followed by stereoselective, intramolecular etherification to 4, 7, 15, 16 an