Novel process for the preparation of 4-benzoylamino chroman derivatives

作者： John Morris Evans , Inderjit Singh Mann , Mervyn Thompson , Graham Richard Geen

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摘要: A process for the preparation of a compound formula (I), which comprises converting epoxide (VI) to cis-oxazoline (V) by reaction with cyano-compound (VII) in presence an acid, then situ cis-amine (III) or salt thereof and thereafter reacting acid chloride (IV) give cis-compound (I).

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参考文章(3)

Chen-Yu Cheng, Hsin-I Chiu, Ming-Jyh Chang, Yen-Chung Lin, Ming-Cheng Tsai, Hon-Cheng Yu, Synthesis of 2,3,4a,11b-tetrahydro-oxazino[2,3-c]benzopyran-9-carbonitriles as ATP-sensitive potassium channel openers Bioorganic & Medicinal Chemistry Letters. ,vol. 8, pp. 463- 468 ,(1998) , 10.1016/S0960-894X(98)00046-8

Gordon Burrell, John M Evans, Graham E Jones, Geoffrey Stemp, The action of diethylaminosulphur trifluoride (dast) on trans-4-amido- 3-Chromanols: Preparation of cis-amidoalcohols via oxazolines Tetrahedron Letters. ,vol. 31, pp. 3649- 3652 ,(1990) , 10.1016/S0040-4039(00)94467-8

Valerie A. Ashwood, Frederick Cassidy, Martin C. Coldwell, John M. Evans, Thomas C. Hamilton, David R. Howlett, Duncan M. Smith, Geoffrey Stemp, Synthesis and antihypertensive activity of 4-(substituted-carbonylamino)-2H-1-benzopyrans. Journal of Medicinal Chemistry. ,vol. 33, pp. 2667- 2672 ,(1990) , 10.1021/JM00171A051

Novel process for the preparation of 4-benzoylamino chroman derivatives

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Novel process for the preparation of 4-benzoylamino chroman derivatives

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