Formation of indole nucleus via intramolecular cyclization of aminophenylpropenyltriphenylphosphonium salts with one-carbon degradation

Tetrahedron Letters

Volumn 43, Issue 49, 2002, Pages 8893-8896

  Taira, Shin'Ichi ^a   Danjo, Hiroshi ^a   Imamoto, Tsuneo ^a  

^a CHIBA UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

3 (2 AMINOPHENYL) 2 PROPENYLTRIPHENYLPHOSPHONIUM BROMIDE; ACID ANHYDRIDE; AMINE; CARBON; INDOLE DERIVATIVE; PHOSPHONIUM DERIVATIVE; UNCLASSIFIED DRUG;

ACYLATION; ARTICLE; BROMINATION; CYCLIZATION; DEGRADATION; REACTION ANALYSIS;

EID: 0037010814     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(02)02199-8     Document Type: Article

References (11)

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5. 2: C, 71.63; H, 5.51; N, 6.96. Found: C, 71.57; H, 5.56; N, 6.96.
6. 2EtN, 18 h, 62% yield.
7. 3): δ 16.86.
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9. N,N-Diacetylated phosphonium salt 9 was extremely moisture sensitive and readily decomposed.
10. . It is known that the acylation of allylphosphonium ylides with acyl chloride proceeds at the γ-carbon atom with formation of the corresponding ylides. See: Ohler E., Zbiral E. Chem. Ber. 113:1980;2852-2867.
11. Kurihara T., Fujimoto T., Harusawa S., Yoneda R. Synthesis. 1987;396-397.