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Thermorubin II. 1, 3-Dihydroxy-9H-xanthones and 1, 3-dihydroxy-9H-xanthenes. New methods of synthesis

RKM Pillai, P Naiksatam, F Johnson…

文献索引：Pillai; Naiksatam; Johnson; et al. Journal of Organic Chemistry, 1986 ,  vol. 51,  # 5  p. 717 - 723

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被引用次数: 32

摘要

13 major product of this reaction is the acylated benzophenone 13, which when heated with base undergoes both hydrolysis and cyclization to afford 14. In practice, 13 need not be purified and overall yields of 14 are satisfactory (Table I, method B). Again the method appears restricted to 1, 3-dihydroxyxanth~ nes~ because the corresponding silyl derivatives of dihydric phenols such as resorcinol and catechol give largely the bis-0-aroylated ...

 相关合成线路
4-methyl-9H-xanthene-1,3-diyl diacetate结构式

100335-12-4

4-methyl-9H-xan...

~71%

1,3-diacetoxy-4-methyl-9H-xanthone结构式

100335-13-5

1,3-diacetoxy-4...

1,3-dihydroxe-9H-xanthene结构式

100335-04-4

1,3-dihydroxe-9...

~%

1,3-diacetoxy-4-methyl-9H-xanthone结构式

100335-13-5

1,3-diacetoxy-4...

1,3-bis(benzyloxy)-9H-xanthene结构式

100335-06-6

1,3-bis(benzylo...

~%

1,3-diacetoxy-4-methyl-9H-xanthone结构式

100335-13-5

1,3-diacetoxy-4...

1,3-bis(benzyloxy)-4-methyl-9H-xanthene结构式

100335-10-2

1,3-bis(benzylo...

~%

1,3-diacetoxy-4-methyl-9H-xanthone结构式

100335-13-5

1,3-diacetoxy-4...

1,3-bis(benzyloxy)-4-formyl-9H-xanthene结构式

100335-08-8

1,3-bis(benzylo...

~%

1,3-diacetoxy-4-methyl-9H-xanthone结构式

100335-13-5

1,3-diacetoxy-4...

1,3-dihydroxy-4-methyl-9H-xanthene结构式

100335-11-3

1,3-dihydroxy-4...

~%

1,3-diacetoxy-4-methyl-9H-xanthone结构式

100335-13-5

1,3-diacetoxy-4...

1,3-dihydroxe-9H-xanthene结构式

100335-04-4

1,3-dihydroxe-9...

~%

4-methyl-9H-xanthene-1,3-diyl diacetate结构式

100335-12-4

4-methyl-9H-xan...

1,3-bis(benzyloxy)-9H-xanthene结构式

100335-06-6

1,3-bis(benzylo...

~%

4-methyl-9H-xanthene-1,3-diyl diacetate结构式

100335-12-4

4-methyl-9H-xan...

1,3-bis(benzyloxy)-4-methyl-9H-xanthene结构式

100335-10-2

1,3-bis(benzylo...

~%

4-methyl-9H-xanthene-1,3-diyl diacetate结构式

100335-12-4

4-methyl-9H-xan...

1,3-bis(benzyloxy)-4-formyl-9H-xanthene结构式

100335-08-8

1,3-bis(benzylo...

~%

4-methyl-9H-xanthene-1,3-diyl diacetate结构式

100335-12-4

4-methyl-9H-xan...

1,3-bis(benzyloxy)-4-methyl-9H-xanthene结构式

100335-10-2

1,3-bis(benzylo...

~%

1,3-dihydroxy-4-methyl-9H-xanthene结构式

100335-11-3

1,3-dihydroxy-4...

1,3-dihydroxe-9H-xanthene结构式

100335-04-4

1,3-dihydroxe-9...

~%

1,3-dihydroxy-4-methyl-9H-xanthene结构式

100335-11-3

1,3-dihydroxy-4...

1,3-bis(benzyloxy)-9H-xanthene结构式

100335-06-6

1,3-bis(benzylo...

~%

1,3-dihydroxy-4-methyl-9H-xanthene结构式

100335-11-3

1,3-dihydroxy-4...

1,3-bis(benzyloxy)-4-formyl-9H-xanthene结构式

100335-08-8

1,3-bis(benzylo...

~%

1,3-dihydroxy-4-methyl-9H-xanthene结构式

100335-11-3

1,3-dihydroxy-4...

1,3-bis(benzyloxy)-4-formyl-9H-xanthene结构式

100335-08-8

1,3-bis(benzylo...

~92%

1,3-bis(benzyloxy)-4-methyl-9H-xanthene结构式

100335-10-2

1,3-bis(benzylo...

1,3-dihydroxe-9H-xanthene结构式

100335-04-4

1,3-dihydroxe-9...

~%

1,3-bis(benzyloxy)-4-methyl-9H-xanthene结构式

100335-10-2

1,3-bis(benzylo...

1,3-bis(benzyloxy)-9H-xanthene结构式

100335-06-6

1,3-bis(benzylo...

~%

1,3-bis(benzyloxy)-4-methyl-9H-xanthene结构式

100335-10-2

1,3-bis(benzylo...

1,3-bis(benzyloxy)-9H-xanthene结构式

100335-06-6

1,3-bis(benzylo...

N-甲基甲酰苯胺结构式

93-61-8

N-甲基甲酰苯胺

~91%

1,3-bis(benzyloxy)-4-formyl-9H-xanthene结构式

100335-08-8

1,3-bis(benzylo...

1,3-dihydroxe-9H-xanthene结构式

100335-04-4

1,3-dihydroxe-9...

~%

1,3-bis(benzyloxy)-4-formyl-9H-xanthene结构式

100335-08-8

1,3-bis(benzylo...


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