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Showing posts with label 5-Chloro-3-ethoxycarbonylbenzofuran.. Show all posts
Showing posts with label 5-Chloro-3-ethoxycarbonylbenzofuran.. Show all posts

Saturday, 6 September 2014

5-Chloro-3-ethoxycarbonylbenzofuran.







Reaction scheme

3-Benzofurancarboxylic acid, 5-chloro-, ethyl ester; (899795-65-4)


Physical and spectroscopic properties of 5-chloro-3-ethoxycarbonylbenzofuran are as follows: 
mp 60.5-61.5 °C; 

1H NMR pdf (CDCl3, 400 MHz) δ: 1.43 (t, J = 7.2 Hz, 3 H), 4.42 (q, J = 7.2 Hz, 2 H), 7.32 (dd, J = 2.1, 8.8 Hz, 1 H), 7.44 (d, J = 8.8 Hz, 1 H), 8.03 (d, J = 2.1 Hz, 1 H), 8.26 (s, 1 H); 


13C NMR pdf (CDCl3, 100 MHz) δ: 14.4, 60.8, 112.7, 114.6, 121.8, 125.6, 126.0, 130.0, 152.0, 153.9, 162.9; 

HRMS (EI) m/z calcd for C11H9O3Cl: 224.02407; found: 224.0241. 

Anal. Calcd for C11H9O3Cl: C, 58.82; H, 4.04. Found: C, 58.54; H, 4.01.



Scheme 1