... high concentration of triethylamine (Meth- od C) or its gradual addition (Method D) allows one to synthesize 2 g ... 1284 Papers SYNTHESIS Table 2. (continued) Prod- IR (neat) 'HNMR (CDC13/TMS) uct v(cm_1) õ,J(Hz) UCNMR(CDC13/TMS ... (11) Gallus, HP; Macbeth, AK 3. Chem ...