HPLC of Formula: 118994-89-1. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: Ethyl oxazole-5-carboxylate, is researched, Molecular C6H7NO3, CAS is 118994-89-1, about Synthetic studies on bengazoles of marine sponge origin. Synthesis of the core bis-oxazole fragments. Author is Chittari, Pabba; Hamada, Yasumasa; Shioiri, Takayuki.
The core bis-oxazole fragment I (R = OCH2OMe, R1 = CHO) was constructed by the coupling of 5-formyloxazole with lithiated 5-(silyoxymethyl)oxazoles, oxidation of the resulting bis(oxazolyl)methanol (II), followed by the asym. reduction with (R)-(+)-BINAL-H as key steps. Addnl., preparation of bis-oxazole fragment I (R = H, R1 = CH2OSiPh2CMe3) was accomplished by the Barton-McCombie radical deoxygenation reaction of II.
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