Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 176433-49-1, name is 2,5-Dichloronicotinaldehyde. This compound has unique chemical properties. The synthetic route is as follows. Recommanded Product: 176433-49-1
(a) 2-Pyrid-4-ylbenzaldehyde: In a similar manner to that of Example 21(a), starting with 2.50 g (16.7 mmol) of 2-formalbenzeneboronic acid and 2.16 g (11.1 mmol) of 4-bromopyridine hydrochloride, 1.98 g (97%) of the expected compound are obtained in the form of a white powder with a melting point of 59 C. 1 H NMR (CDCl3) delta 7.33 (d, 2H, J=6.0 Hz), 7.43 (dd, 1H, J=8.4/0.9 Hz), 7.59 (t, 1H, J=7.4 Hz), 7.70 (dt, 1H, J=7.5/1.4 Hz), 8.07 (dd, 1H, J=7.6/1.1 Hz), 8.73 (d, 2H, J=6.0 Hz), 9.99 (s, 1H).
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Reference:
Patent; Centre International de Recherches Dermatologiques; US6150413; (2000); A;,
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