ChemicalBook CAS DataBase List 2,2'-DIMETHOXYBENZIL

2,2'-DIMETHOXYBENZIL synthesis

10synthesis methods

Product Name:2,2'-DIMETHOXYBENZIL
CAS Number:6706-92-9
Molecular formula:C16H14O4
Molecular Weight:270.28

6706-96-3
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6706-92-9
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Yield:6706-92-9 88%

Reaction Conditions:

with iodine;potassium carbonate in tert-butyl alcohol;

Steps:

1,2-Bis(2-methoxyphenyl)-1,2-ethanedione 1d

General procedure: The other α-diketones were synthesized by oxidation of the corresponding racemic keto alcohols using I₂/K₂CO₃ in t-BuOH. Mp 118.2-120°C, 88% yield. IR (neat, cm^-1): 3048, 2938, 2838, 1669, 1600, 1492, 1292, 1281, 1187, 1023, 761cm^-1. ¹H NMR (CDCl₃): δ 3.49 (s, 6H), 6.86 (m, 2H), 7.02 (m, 2H), 7.45 (m, 2H), 8.02 (d, 2H, J=7.8Hz). MS m/z: 44, 51, 64, 77, 92, 105, 120, 135, 207, 270 (M⁺)

References:

Yildiz, Tuelay;Canta, Nurguel;Yusufoglu, Ayse [Tetrahedron Asymmetry,2014,vol. 25,# 4,p. 340 - 347]