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CDCl 3 ): ?(ppm) 8.30-8, pp.90-97 ,
CH 3 ) 3 ), 3.29-2.33 (m, 8H, 4xCHCH 2 Ph), 1.40-0 ,
05 (s, 0.6H, NH), 4.90 (q, 0.6H, J=7.3Hz, CHCH 3 ), 4.62 (q, 0, 4H, J=7.3Hz, CHCH 3 ), 4.12-4.02 (m, 1H, NHCH), pp.0-7 ,
5mmol) was added to a stirred solution of acid compound (0.33mmol), oligomer amine form (0.33mmol) and BtOH (0.5mmol) in anhydrous CH 2 Cl 2 (20mL) The resulting mixture was stirred at 0-5°C for one night. The reaction was concentrated to dryness and purified by column chromatography, pp.670-671 ,
50-5.00 (m, 3.2H, OCH 2 Ph, CHCH 2 Ph and CHCH 3 ), 5.00-4.90 (m, 1, 8H, NHCOOC(CH 3 ) 3 and CHCH 2 Ph), 3.90-3.70 (m, 1H, CHCH(CH 3 ) 2 ), CHCH 2 Ph), 2.06-1.82 (m, 1H, CHCH(CH 3 ) 2 ), pp.90-97 ,
? (ppm) 8.10-7, NMR, vol.80, issue.7, pp.50-57 ,
colourless prism, trigonal, P3 2 (#145), a = 29) Å, V = 10908 ,
Modification of tri 2:1[???-N-amino]mer The procedure for amid preparation was the same than the part IV ,