SEARCH Articles Figures Tables 2.4.5- Triethyl Acetals condensations Acetals preparation Acetates preparation Condensations 7?)- acetate Formamidin Formamidinate Formamidine Formamidine acetate Formamidines Orthoform Preparation of acetals Preparation of acetates Triethyl Orthoformate acetals Triethyl orthoformate, condensation Triethyl orthoformates