ChemInform Abstract: Synthesis of 2,8-Dioxaspiro[4.5]decane-1,3,7,9-tetrone and the Reactions with Amines

Autor:	Kazuaki Kudo, Atsushi Seo, Shinsaku Shiraishi, Jun Kato, Kazuki Kiso
Rok vydání:	2010
Předmět:	chemistry.chemical_classification Chemistry General Medicine Decane Ring (chemistry) Condensation reaction Medicinal chemistry chemistry.chemical_compound Hydrocarbon Intramolecular force Moiety Organic chemistry Imide Isoprene
Zdroj:	ChemInform. 30
ISSN:	1522-2667 0931-7597
DOI:	10.1002/chin.199939111
Popis:	For the studies of highly-sophisticated utilization of itaconic anhydride, some compounds of polybasic carboxylic acids having a quaternary or a spiro carbon atom were prepared, starting from itaconic anhydride and isoprene. Aliphatic tetracarboxylic dianhydride having a spiro carbon atom with five- and six-membered rings, 2,8-dioxaspiro[4.5]decane-1,3,7,9-tetrone (TCDA), was also obtained. The reaction of TCDA with primary amines and subsequent dehydration gave two types of products, either diimides or imide (with five-membered ring)-anhydrides (with six-membered ring), depending on the hydrocarbon moiety of the amines used. It was suggested that each imide-anhydride was formed by the intramolecular ring transformation of the intermediate amic acid-anhydride.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::1833f22fb60d0e7cde3440b61f8c8dab https://doi.org/10.1002/chin.199939111 Zobrazit plný text záznamu Plný text