Citation:
Yu Dong SHEN, Hai Qiang WU, Lin Kun AN, Zhi Shu HUANG, Xian Zhang BU, Lian Quan GU. Unexpected Synthesis of 2, 2'-[1-(4-Methoxyphenoxy)propane-2, 2-diyl]bis(5-methoxy-3-methylbenzofuran)[J]. Chinese Chemical Letters,
;2005, 16(12): 1581-1583.
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A new bisbenzofuran analogue Ⅶ was achieved unexpectedly in one step procedure from 1-(4-methoxyphenoxy)acetone I by using Amberlyst 15 resin as catalyst in excellent yield.The structure was elucidated by spectroscopy analysis including 1H-NMR, 13C-NMR, DEPT,ESI-MS, element analysis.
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Keywords:
- Benzofuran,
- Amberlyst 15 resin,
- cyclization
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