1998
DOI: 10.1016/s0040-4039(98)01705-5
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Stereocontrolled synthesis of lissoclinolide by sequential transition metal-catalyzed lactonization/cross-coupling reactions

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Cited by 70 publications
(26 citation statements)
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“…Retrosynthetic routes towards both enantiomers of nitidon (1) 2H-pyran-2-one (6c) and (E)-5-iodo-2-penten-4-yn-1-ol (5c) by a method similar to that described for the synthesis of unsymmetrical 1,4-diaryl-1,3-butadiynes and aryl(chloro)ethynes. [13] On the other hand, 93% pure 5b is commercially available or could be synthesized in stereoisomerically pure form from ethyl (E)-3-iodopropenoate [14] or as a ca. 9:1 mixture of (E) and (Z) stereoisomers from sodium acetylide and epichloridrin.…”
Section: Synthesis Of the Two Enantiomers Of Nitidonmentioning
confidence: 99%
“…Retrosynthetic routes towards both enantiomers of nitidon (1) 2H-pyran-2-one (6c) and (E)-5-iodo-2-penten-4-yn-1-ol (5c) by a method similar to that described for the synthesis of unsymmetrical 1,4-diaryl-1,3-butadiynes and aryl(chloro)ethynes. [13] On the other hand, 93% pure 5b is commercially available or could be synthesized in stereoisomerically pure form from ethyl (E)-3-iodopropenoate [14] or as a ca. 9:1 mixture of (E) and (Z) stereoisomers from sodium acetylide and epichloridrin.…”
Section: Synthesis Of the Two Enantiomers Of Nitidonmentioning
confidence: 99%
“…Um dos exemplos [70][71][72] de aplicação dessa metodologia na síntese de g-alquilidenobutenolídeos corresponde à preparação do lissoclinolídeo (8) (Esquema 25). 71 A etapa-chave corresponde à reação de lactonização do ácido 96, sintetizado a partir do álcool 95, mediada por Ag(I).…”
Section: Reações De Lactonização De áCidos Alquil-2-en-4-inoicosunclassified
“…71 A etapa-chave corresponde à reação de lactonização do ácido 96, sintetizado a partir do álcool 95, mediada por Ag(I). A síntese total foi finalizada empregando-se a reação de acoplamento de Stille 32 entre o brometo 97 e a organoestanana (E)-3-tributilestanilpropen-2-ol.…”
Section: Reações De Lactonização De áCidos Alquil-2-en-4-inoicosunclassified
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“…In recent years, there has been a great interest in preparing butenolides [1][2][3][4][5][6][7][8] containing compounds due to the biological effects attributed to this class of natural products such as freelingyne, rubrolides, etrenolin-furanosesquiterpenoid, Protoanemonin [9][10][11]. Among these bioactive compounds, there exist the alkylidenes butenolides, which have a large spectrum of biological activity [12][13][14][15][16][17].…”
Section: Introductionmentioning
confidence: 99%