2003
DOI: 10.1021/jo034765b
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Total Synthesis of the Depsipeptide FR-901375

Abstract: The first total synthesis of FR-901375, a novel bicyclic depsipeptide isolated from the fermentation broth of Pseudomonas chloroaphis No. 2522, has been achieved. The synthetic approach involves 13 reaction steps and is achieved in 12% overall yield. The key points in the successful synthetic strategy are a concise asymmetric synthesis of the key building block (3R,4E)-3-hydroxy-7-mercapto-4-heptenoic acid, a mild Mitsunobu macrolactonization step, and an I(2)-mediated deprotection with concomitant disulfide-b… Show more

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Cited by 66 publications
(70 citation statements)
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“…Thus, the development of the bicyclic structure in synthesis of antitumor agents of spiruchostatin A (119) [74,75] and FK228 depsipeptide (FR901228) (120) [76][77][78][79][80][81][82] was carried out by consecutive macrocyclization reactions of hydroxy acids (121) or (122) by the Shiina's method or under Mitsunobu conditions, correspondingly, followed by the formation of the disulphide fragment in oxidation with iodine (Scheme 28).…”
Section: Macroheterocycles Functionalization Accompanied By Preservatmentioning
confidence: 99%
“…Thus, the development of the bicyclic structure in synthesis of antitumor agents of spiruchostatin A (119) [74,75] and FK228 depsipeptide (FR901228) (120) [76][77][78][79][80][81][82] was carried out by consecutive macrocyclization reactions of hydroxy acids (121) or (122) by the Shiina's method or under Mitsunobu conditions, correspondingly, followed by the formation of the disulphide fragment in oxidation with iodine (Scheme 28).…”
Section: Macroheterocycles Functionalization Accompanied By Preservatmentioning
confidence: 99%
“…Последняя, в [17] ; b) LDA, MeCO [13] вовлечен в реакцию альдольной конденсации с этилацетатом. В результате получена смесь диастереомерных гидроксиэфиров 25 и 26, которую через окисление и стереоспецифическое восстановление превратили в необходимый диастереоизомер 26, а полученная из него кислота 27 конденсирована с производным цистеина 28 (Схема 6).…”
Section: Otbs Otbs Otbs Otbsunclassified
“…Ретросинтетический анализ молекулы про-тивоопухолевого бициклического депсипептида FK228 (20) показал возможность её получения ре-акцией макролактонизации ациклического пред-шественника 35, который образован при сочета-нии тетрапептида 36 и тиокислоты 37, с последую-щим формированием дисульфидного мостика [17] (Схема 9).…”
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