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举例 :可输入Filippa Pettersson 或者 Cancer Res. 75(6) , 1102-12, (2015) 或者10.1002/anie.201600521

Regioselective synthesis of cyclopentenones from 4-thianone

H Matsuyama, Y Miyazawa, Y Takei…

文献索引：Matsuyama, Haruo; Miyazawa, Yasuyuki; Takei, Yuji; Kobayashi, Michio Journal of Organic Chemistry, 1987 , vol. 52, # 9 p. 1703 - 1710

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被引用次数: 37

摘要

&: ooc" a"(a) RX, K2C03, acetone reflux;(b) RX, Me2S0, 25" C;(c) LiC1, HMPA, 80" C, or NaCl, wet Me2S0, 150" C. active functional group for a ring transformation. However, organic syntheses using 4-thianone have been little studied and only a few examples ...

2,3-dihydro-4H-thiopyran-4-one结构式

2,3-dihydro-4H-...

~%

3-pentylcyclopent-2-en-1-one结构式

3-pentylcyclope...

2-(p-tolylsulfonyl)-4-thianone结构式

2-(p-tolylsulfo...

~%

3-pentylcyclopent-2-en-1-one结构式

3-pentylcyclope...

7-(p-tolylsulfonyl)-1,4-dioxa-8-thiaspiro[4.5]decane 8,8-dioxide结构式

7-(p-tolylsulfo...

~%

3-pentylcyclopent-2-en-1-one结构式

3-pentylcyclope...

7-n-pentyl-7-(p-tolylsulfonyl)-1,4-dioxa-8-thiaspiro[4.5]-decane 8,8-dioxide结构式

7-n-pentyl-7-(p...

~%

3-pentylcyclopent-2-en-1-one结构式

3-pentylcyclope...

未登录结构式

~%

3-pentylcyclopent-2-en-1-one结构式

3-pentylcyclope...

未登录结构式

~82%

2-prop-2-enylcyclopent-2-en-1-one结构式

2-prop-2-enylcy...

2-prop-2-enylcyclopent-3-en-1-one结构式

2-prop-2-enylcy...

5-prop-2-enylcyclopent-2-en-1-one结构式

5-prop-2-enylcy...

四氢-4-氧代-2H-噻喃-3-甲酸甲酯结构式

四氢-4-氧代-2H-噻喃-3-甲酸甲酯

~%

2-prop-2-enylcyclopent-3-en-1-one结构式

2-prop-2-enylcy...

四氢噻喃-4-酮结构式

四氢噻喃-4-酮

~%

2-prop-2-enylcyclopent-3-en-1-one结构式

2-prop-2-enylcy...

未登录结构式

~0%

2-prop-2-enylcyclopent-2-en-1-one结构式

2-prop-2-enylcy...

2-prop-2-enylcyclopent-3-en-1-one结构式

2-prop-2-enylcy...

5-prop-2-enylcyclopent-2-en-1-one结构式

5-prop-2-enylcy...

四氢-4-氧代-2H-噻喃-3-甲酸甲酯结构式

四氢-4-氧代-2H-噻喃-3-甲酸甲酯

~%

5-prop-2-enylcyclopent-2-en-1-one结构式

5-prop-2-enylcy...

四氢噻喃-4-酮结构式

四氢噻喃-4-酮

~%

5-prop-2-enylcyclopent-2-en-1-one结构式

5-prop-2-enylcy...

四氢-4-氧代-2H-噻喃-3-甲酸甲酯结构式

四氢-4-氧代-2H-噻喃-3-甲酸甲酯

~89%

四氢噻喃-4-酮结构式

四氢噻喃-4-酮

未登录结构式

~0%

2-prop-2-enylcyclopent-2-en-1-one结构式

2-prop-2-enylcy...

2-prop-2-enylcyclopent-3-en-1-one结构式

2-prop-2-enylcy...

5-prop-2-enylcyclopent-2-en-1-one结构式

5-prop-2-enylcy...

四氢-4-氧代-2H-噻喃-3-甲酸甲酯结构式

四氢-4-氧代-2H-噻喃-3-甲酸甲酯

~%

2-prop-2-enylcyclopent-2-en-1-one结构式

2-prop-2-enylcy...

四氢噻喃-4-酮结构式

四氢噻喃-4-酮

~%

2-prop-2-enylcyclopent-2-en-1-one结构式

2-prop-2-enylcy...

未登录结构式

~%

2-prop-2-enylcyclopent-2-en-1-one结构式

2-prop-2-enylcy...

6-allyl-1,4-dioxa-8-thiaspiro[4.5]decane结构式

6-allyl-1,4-dio...

~%

2-prop-2-enylcyclopent-2-en-1-one结构式

2-prop-2-enylcy...

未登录结构式

~%

2-prop-2-enylcyclopent-2-en-1-one结构式

2-prop-2-enylcy...

Three carbon annelation reagents: unsaturated alpha aminonit...

[Jacobson, Richard M.; Clader, John W. Tetrahedron Letters, 1980 , vol. 21, p. 1205 - 1208]

Abnormal Nazarov reaction. A new synthetic approach to 2, 3-...

[Hirano, Shigeo; Takagi, Seiji; Hiyama, Tamejiro; Nozaki, Hitosi Bulletin of the Chemical Society of Japan, 1980 , vol. 53, # 1 p. 169 - 173]

Abnormal Nazarov reaction. A new synthetic approach to 2, 3-...

[Hirano, Shigeo; Takagi, Seiji; Hiyama, Tamejiro; Nozaki, Hitosi Bulletin of the Chemical Society of Japan, 1980 , vol. 53, # 1 p. 169 - 173]

Abnormal Nazarov reaction. A new synthetic approach to 2, 3-...

[Hirano, Shigeo; Takagi, Seiji; Hiyama, Tamejiro; Nozaki, Hitosi Bulletin of the Chemical Society of Japan, 1980 , vol. 53, # 1 p. 169 - 173]

Abnormal Nazarov reaction. A new synthetic approach to 2, 3-...

[Hirano, Shigeo; Takagi, Seiji; Hiyama, Tamejiro; Nozaki, Hitosi Bulletin of the Chemical Society of Japan, 1980 , vol. 53, # 1 p. 169 - 173]