4-penten-1-ol, TsoH, Bno" –OSH ~s TBDPSO-Lo? | 2. NaH, BnBI, DMF Bno- og CH2Cl2, 60 °C J—£—- - —:–- O 80% 85% BnO HO BnO 171 172 173 2 BnO OBn - BnO o's Ns ...
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