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Novel Use of a Selenoalkyne Within Untraditionally Mild Dötz Benzannulation Processes; Total Synthesis of a Calceolaria andina L. Natural Hydroxylated …

JJ Caldwell, R Colman, WJ Kerr, EJ Magennis

文献索引：Caldwell; Colman; Kerr; Magennis Synlett, 2001 , # 9 p. 1428 - 1430

全文：HTML全文

被引用次数: 12

摘要

Abstract: A total synthesis of the Calceolaria andina L. extract 2-(1, 1-dimethyl-2-propenyl)-3- hydroxy-1, 4-naphthalenedione is described incorporating the first reported Dötz benzannulation of a selenoalkyne. Importantly, it has been shown that it is possible to effect this annulation at ambient temperature under dry state conditions with a significant improvement in cyclisation yield. Key words: carbene complexes, chromium, Dötz ...

3,3-Dimethyl-5-benzyloxy-1-pentin结构式

3,3-Dimethyl-5-...

~%

1,4-Naphthalenedione,2-(1,1-dimethyl-2-propen-1-yl)-3-hydroxy-结构式

1,4-Naphthalene...

3,3-dimethylpent-4-yn-1-ol结构式

3,3-dimethylpen...

~%

1,4-Naphthalenedione,2-(1,1-dimethyl-2-propen-1-yl)-3-hydroxy-结构式

1,4-Naphthalene...

4-(benzyloxy)-2,2-dimethylbutanal结构式

4-(benzyloxy)-2...

~%

1,4-Naphthalenedione,2-(1,1-dimethyl-2-propen-1-yl)-3-hydroxy-结构式

1,4-Naphthalene...

4-(benzyloxy)-2,2-dimethylbutan-1-ol结构式

4-(benzyloxy)-2...

~%

1,4-Naphthalenedione,2-(1,1-dimethyl-2-propen-1-yl)-3-hydroxy-结构式

1,4-Naphthalene...

ethyl 4-(benzyloxy)-2,2-dimethylbutanoate结构式

ethyl 4-(benzyl...

~%

1,4-Naphthalenedione,2-(1,1-dimethyl-2-propen-1-yl)-3-hydroxy-结构式

1,4-Naphthalene...

(3,3-dimethylpent-4-yn-1-yl)(2-nitrophenyl)selane结构式

(3,3-dimethylpe...

~%

1,4-Naphthalenedione,2-(1,1-dimethyl-2-propen-1-yl)-3-hydroxy-结构式

1,4-Naphthalene...

2-(1,1-Dimethyl-3-(2-nitrophenylselenyl)propyl)-1,4-naphthalenedione结构式

2-(1,1-Dimethyl...

~%

1,4-Naphthalenedione,2-(1,1-dimethyl-2-propen-1-yl)-3-hydroxy-结构式

1,4-Naphthalene...

3,3-Dimethyl-5-benzyloxy-1-pentin结构式

3,3-Dimethyl-5-...

~95%

3,3-dimethylpent-4-yn-1-ol结构式

3,3-dimethylpen...

4-(benzyloxy)-2,2-dimethylbutanal结构式

4-(benzyloxy)-2...

~%

3,3-dimethylpent-4-yn-1-ol结构式

3,3-dimethylpen...

4-(benzyloxy)-2,2-dimethylbutan-1-ol结构式

4-(benzyloxy)-2...

~%

3,3-dimethylpent-4-yn-1-ol结构式

3,3-dimethylpen...

ethyl 4-(benzyloxy)-2,2-dimethylbutanoate结构式

ethyl 4-(benzyl...

~%

3,3-dimethylpent-4-yn-1-ol结构式

3,3-dimethylpen...

Biosynthesis of naphthoqinones and anthraquinones in strepto...

[Inoue, Kenichiro; Ueda, Shinichi; Nayeshiro, Hidekazu; Moritome, Nobuharu; Inouye, Hiroyuki Phytochemistry (Elsevier), 1984 , vol. 23, # 2 p. 313 - 318]

Biosynthesis of naphthoqinones and anthraquinones in strepto...

[Inoue, Kenichiro; Ueda, Shinichi; Nayeshiro, Hidekazu; Moritome, Nobuharu; Inouye, Hiroyuki Phytochemistry (Elsevier), 1984 , vol. 23, # 2 p. 313 - 318]

Biosynthesis of naphthoqinones and anthraquinones in strepto...

[Inoue, Kenichiro; Ueda, Shinichi; Nayeshiro, Hidekazu; Moritome, Nobuharu; Inouye, Hiroyuki Phytochemistry (Elsevier), 1984 , vol. 23, # 2 p. 313 - 318]

Biosynthesis of naphthoqinones and anthraquinones in strepto...

[Inoue, Kenichiro; Ueda, Shinichi; Nayeshiro, Hidekazu; Moritome, Nobuharu; Inouye, Hiroyuki Phytochemistry (Elsevier), 1984 , vol. 23, # 2 p. 313 - 318]

Biosynthesis of naphthoqinones and anthraquinones in strepto...

[Inoue, Kenichiro; Ueda, Shinichi; Nayeshiro, Hidekazu; Moritome, Nobuharu; Inouye, Hiroyuki Phytochemistry (Elsevier), 1984 , vol. 23, # 2 p. 313 - 318]