{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T15:30:54Z","timestamp":1753889454095},"reference-count":18,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2009,3,11]],"date-time":"2009-03-11T00:00:00Z","timestamp":1236729600000},"content-version":"vor","delay-in-days":1714,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Heterocyclic Chem"],"published-print":{"date-parts":[[2004,7]]},"abstract":"Abstract<\/jats:title>3\u2010Carbethoxy\u20105\u2010phenyl\u20105H<\/jats:italic>,7H<\/jats:italic>\u2010thiazolo[3,4\u2010c<\/jats:italic>]oxazol\u20104\u2010ium\u20101\u2010olate was generated from (2R<\/jats:italic>,4R<\/jats:italic>)\u2010N<\/jats:italic>\u2010ethoxyoxalyl\u20102\u2010phenylthiazolidine\u20104\u2010carboxylic acid and its reactivity studied. This m\u00fcnchnone showed low reactivity as dipole although from the reaction with dimethyl acetylenedicarboxylate the corresponding (3R<\/jats:italic>)\u20103\u2010phenyl\u201017H<\/jats:italic>,3H<\/jats:italic>\u2010pyrrolo[1,2\u2010c<\/jats:italic>]thiazole\u20105,6,7\u2010tricarboxylate could be isolated. The thermolysis of (2R<\/jats:italic>,4R<\/jats:italic>)\u2010N<\/jats:italic>\u2010ethoxyoxalyl\u20102\u2010phenylthiazolidine\u20104\u2010carboxylic acid in refluxing acetic anhydride led to the synthesis of N<\/jats:italic>\u2010(1\u2010ethoxycarbonyl\u20102\u2010phenylvinyl)\u20102\u2010phenyl\u20104\u2010thioxo\u20101,3\u2010thiazolidine. The structure of methyl (2R<\/jats:italic>,4R<\/jats:italic>)\u2010N<\/jats:italic>\u2010ethoxyoxalyl\u20102\u2010phenylthiazoliddine\u20104\u2010carboxylate was determined by X\u2010ray crystallography.<\/jats:p>","DOI":"10.1002\/jhet.5570410403","type":"journal-article","created":{"date-parts":[[2009,3,11]],"date-time":"2009-03-11T06:12:33Z","timestamp":1236751953000},"page":"493-497","source":"Crossref","is-referenced-by-count":5,"title":["Generation and reactivity of 3\u2010carbethoxy\u20105\u2010phenyl\u20105H,7H<\/i>\u2010thiazolo[3,4\u2010c<\/i>]oxazol\u20104\u2010ium\u20101\u2010olate"],"prefix":"10.1002","volume":"41","author":[{"given":"Teresa M. V. D.","family":"Pinho e Melo","sequence":"first","affiliation":[]},{"given":"Clara S. B.","family":"Gomes","sequence":"additional","affiliation":[]},{"given":"Maria I. 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