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Erreaktibo organolitikoak sintesi asimetrikoan, aminen ...

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5. Kapitulua Atal Esperimentala<br />

5.2.2.5. 1f N-Bentziliden-1-naftalenmetilaminaren <strong>sintesi</strong>a.<br />

Bentzaldehidoa (1 ml, 10 mmol) gehitu zitzaion dietil eter lehorretan (100 mL)<br />

eta bahe molekularraren (3Å) aurrean, disolbaturiko 1-naftalenometilaminaren (1.5 mg,<br />

10 mmol) disoluzioari. Erreakzio-nahastea 16 orduz birfluxuan mantendu zen. Ondoren<br />

grabitatez iragazi zen eta iragazia presiopean lurrundu zen, N-bentziliden-1-<br />

naftalenamina (2.4 g, 9.8 mmol) lortu zelarik.<br />

N<br />

Etekina: %99<br />

U.p.: 56-58 o C (etanola).<br />

1 H-RMN (δ, ppm): 5.32 (s, 2H, CH2N), 7.44-7.62 (m, 7H, Harom), 7.81-7.85 (m, 3H, H4,<br />

2 × Harom), 7.91-7.94 (m, 1H, H6), 8.17-8.21 (m, 1H, H9), 8.44 (s, 1H, CH=N).<br />

13 C-NMR (δ, ppm): 62.0 (CH2N), 123.8 (C9), 125.5, 125.6, 125.8, 126.0, 127.7, 128.2,<br />

128.5, 128.6 (8 × Carom-H), 130.7 (Carom-C), 131.5 (C10), 133.6 (C5), 135.2 (CaromCH2),<br />

136.1 (CaromCH=N), 162.0 (CH=N).<br />

IR (CH2Cl2): 3049 (CaromH), 2838 (CH2), 1643 (C=N), 1508 (Carom-C), 791, 756, 694<br />

(Carom-H) cm -1 .<br />

EM (IE) [m/z (ugaritasun erlatiboa)]: 245 (M + , 27), 244 (M-1, 22), 168 (23), 142 (22),<br />

141 (100), 138 (8), 117 (8), 115 (28), 89 (7), 51 (6).<br />

Analisi elementala: C18H15N<br />

Kalkulatua: %C: 88.13 %H: 6.16 %N: 5.71.<br />

Lortutakoa: %C: 87.28 %H: 5.87 %N: 5.53.<br />

167

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