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A novel and efficient synthesis of 5-substituted and 5, 6-disubstituted 4-methylcoumarins using organocerium (III) reagents

K Nagasawa, H Kanbara, K Matsushita, K Ito

Index: Nagasawa, Kazuo; Kanbara, Hajime; Matsushita, Kazuya; Ito, Keiichi Tetrahedron Letters, 1985 , vol. 26, # 52 p. 6477 - 6480

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Citation Number: 15

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Dedicated to Professor Shun-ichi Yamada on the occasion of his 70th birthday. ... Addition of organocerium(III) reagent, Cl 2 CeCH 2 COOt-Bu, to the appropriate ortho-methoxymethoxyacetophenones followed by acid-treatment gives 5-substituted and 5,6-disubstituted 4-methylcoumarins in ...