PRODUCTION OF 1,1-DIACETATE FROM ALDEHYDES
387
1,1-Diacetoxy-1-(2,3-dichlorophenyl)-methane. Crystalline white solid, mp
78–79◦C; 1H NMR (400 MHz, CDCl3): δ = 7.72 (s, 1H), 7.07–7.59 (m, 3H), 1.95 (s, 6H)
ppm; IR (KBr): v¯ = 3012, 2893, 1748, 1429, 1375, 1219, 1031, 780 cm−1
.
1,1-Diacetoxy-1-(2,3-dimethoxyphenyl)-methane. Crystalline white solid,
1
mp 103–105◦C H NMR (400 MHz, CDCl3): δ = 7.78 (s, 1H), 6.75–6.91 (m, 3H), 3.70
(s, 6H), 3.67 (s, 6H), 1.91 (s, 6H) ppm; IR (KBr): v¯ = 2938, 1753, 1602, 1488, 1452,
1369,1242, 1208, 1054, 1018, 964, 804 cm−1
.
1,1-Diacetoxy-1-(4-N,N-dimethylaminophenyl)-methane. Colorless gum-
my oil; 1H NMR (400 MHz, CDCl3): δ = 7.48 (s,), 6.94–7.26 (m, 4H), 2.12 (s, 6H) 1.93
(s, 6H) ppm; IR (KBr): v¯ = 3021, 2989, 1761, 1602, 1448, 1372, 1203, 1059, 1011, 805,
698 cm−1
.
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