(1) c12h21n (2 points)? 5 kinds (2 points)
(2)? ① Elimination of reaction (1)? Reduction reaction (1 min)
②R-CHOH-CH2 OH( 1)R-co-COOH( 1)R-choh-COOH( 1)R-CH2 COOH( 1)。
③R-CHBr-ch2br+2 NaOH→2 nabr+R-CHOH-ch2oh? (2 points)
④? nR—CHOH—COOH →? +nH 2 O(2 points)
leave out