B. P. Bandgar, S. S. Pandit / Tetrahedron Letters 44 (2003) 2331–2333
2333
The organic layer was separated, washed with water
(2×10 ml) and dried with anhydrous Na2SO4. Removal
of the solvent under reduced pressure yielded the crude
product which was further purified by column chro-
matography (pet. ether:ethylacetate=9:1). 4e: mp=
79°C; IR (KBr): w=720, 950, 1470, 1510, 1600 cm−1, 1H
NMR: l=1.42 (s, 6H, 2×CH3), 4.1 (s, 2H, OCH2), 7.6
(d, J=8.5 Hz, 2H, Ar-H), 7.8 (d, J=8.5 Hz, 2H,
Ar-H); mass: m/z (%)=209.5 (M+, 100). Anal. calcd for
C11H12ONCl: C, 63.01; H, 5.72; N, 6.68; Cl, 16.95.
Found: C, 62.97; H, 5.81; N, 6.59; Cl, 17.02%.
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