Hyervalent Iodine Oxidation of Flavanones : A New Synthesis of Methyl 2-Aryl-2,3-kihydrobenzofuran-3-carboxylates by 1,2-Aryl Shift
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- PRAKASH Om
- Department of Chemistry, Kurukshetra University
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- TANWAR Madan P.
- Department of Chemistry, Kurukshetra University
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著者
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- PRAKASH Om
- Department of Chemistry, Kurukshetra University
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- TANWAR Madan P.
- Department of Chemistry, Kurukshetra University
抄録
Flavanones (<b>1</b>), on oxidation with (diacetoxyiodo)benzene-sulfuric acid (DIB–H<sub>2</sub>SO<sub>4</sub>) or (hydroxy)tosyloxy)iodo)benzene (HTIB) in trimethyl orthoformate, undergo facile ring contraction by 1,2-aryl shift, thereby yielding methyl 2-aryl-2,3-dihydrobenzofuran-3-carboxylates (<b>4</b>) as major products (40—80%). <i>cis</i>-3-Methoxyflavanones (<b>5</b>) and flavones (<b>3</b>) are the minor products formed in variable ratios.
収録刊行物
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- Bulletin of the Chemical Society of Japan
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Bulletin of the Chemical Society of Japan 68(4), 1168-1171, 1995-04-15
The Chemical Society of Japan
参考文献: 13件中 1-13件 を表示
-
1
- <no title>
-
MORIARTY R. M.
J. Chem. Soc., Chem. Commun. 1984, 927
被引用文献1件
-
2
- <no title>
-
MORIARTY R. M.
J. Org. Chem. 50, 151, 1984
被引用文献1件
-
3
- <no title>
-
PRAKASH O.
Indian J. Chem., Sect. B 30B, 1023, 1991
被引用文献1件
-
4
- <no title>
-
PRAKASH O.
Synth. Commun. 22, 327, 1992
被引用文献1件
-
5
- <no title>
-
PRAKASH O.
Synlett 1990, 337
被引用文献1件
-
6
- <no title>
-
PRAKASH O.
Synth. Commun. 20, 1417, 1990
被引用文献1件
-
7
- <no title>
-
PRAKASH O.
Indian J. Chem., Sect. B 33B, 272, 1994
被引用文献1件
-
8
- <no title>
-
PRAKASH O.
Synlett 1994, 221
被引用文献1件
-
9
- <no title>
-
PRAKASH O.
Heterocycles 1994, 443
被引用文献1件
-
10
- Hypervalent Iodine in Organic Synthesis
-
PAHUJA S.
Ph. D Thesis, Kurukshetra University, 1990
被引用文献1件
-
11
- <no title>
-
PRAKASH O.
Indian J. Chem., Sect. B 29B, 304, 1990
被引用文献1件
-
12
- <no title>
-
FOURIE T. G.
J. Chem. Soc., Perkin Trans. 1. 1977, 125
被引用文献1件
-
13
- <no title>
-
KHANNA M. S.
Synth. Commun. 23, 585, 1993
被引用文献1件