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Erreaktibo organolitikoak sintesi asimetrikoan, aminen ...

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5. Kapitulua Atal Esperimentala<br />

E.M. (IE) [m/z (ugaritasun erlatiboa)]: 232 (M +1 , 19), 231 (M + , 100), 230 (66), 154<br />

(19), 143 (11), 128 (14), 127 (47), 123 (13), 115 (11), 101 (9), 85 (26), 83 (39), 77 (18),<br />

51 (11).<br />

Analisi elementala: C17H13N<br />

5.2.2.3. 1d N-Bentziliden-bentzilaminaren <strong>sintesi</strong>a<br />

Kalkulatua: %C: 88.28 %H: 5.66 %N: 6.05.<br />

Lortutakoa: %C: 87.96 %H: 5.51 %N: 5.92.<br />

Bentzaldehidoa (0.4 ml, 3.6 mmol) gehitu zitzaion dietil eter lehorretan (80 mL)<br />

disolbaturiko bentzilaminaren (0.4 mL, 3.6 mmol) disoluzioari. Erreakzio-matrazean<br />

bahe molekularra (3Å) jarri zen eta erreakzio-nahastea 12 orduz birfluxuan mantendu<br />

zen. Ondoren iragazi zen eta iragazia presiopean lurrundu zen N-bentziliden-<br />

bentzilamina (688 mg, 3.5 mmol) lortu zelarik.<br />

N<br />

Etekina: 98%.<br />

U.p.: olioa.<br />

1 H-RMN (δ, ppm): 4.89 (s, 2H, CH2Ph), 7.33-7.50 (m, 8H, Carom-H), 7.86-7.89 (m, 2H,<br />

H2’, H6’), 8.45 (s, 1H, CH=N).<br />

13 C-NMR (δ, ppm): 64.9 (CH2Ph), 126.9, 127.8, 128.1, 128.4, 128.5, 130.6 (10 × Carom-<br />

H), 136.0 (C1’), 139.1 (Carom-C), 161.8 (CH=N).<br />

IR (CH2Cl2): 3061 (C-H), 1643 (C=N), 1449 (Carom-C), 750 (Carom-H), 691 (Carom-H)<br />

cm -1 .<br />

EM (IE) [m/z (ugaritasun erlatiboa)]: 195 (M + , 22), 194 (25), 117 (9), 106 (10), 105<br />

(34), 92 (38), 91 (100), 89 (11), 84 (12), 83 (18), 77 (33), 65 (29), 51 (22).<br />

165

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