62770-67-6Relevant articles and documents
CLAISEN REARRANGEMENTS-XIII SYNHESIS OF THE NATURAL COUMARINS, NORDENTATIN, DENTATIN AND CLAUSARIN
Murray, R. D. H.,Jorge, Z. D.
, p. 3133 - 3136 (2007/10/02)
The structure of the natural coumarin, clausarin 10 has been confirmed by an eight step synthesis from 5-hydroxyseselin 1 in 56percent overall yield.The efficient synthesis of its precursor, nordentatin 5 provides a convenient alternative synthetic route to dentatin 6.The revised structure 13 is suggested for clausenidinaric acid.
Efficient syntheses of the coumarins, nordentatin, dentatin and clausarin
Murray,Jorge
, p. 3773 - 3774 (2007/10/02)
A convenient synthetic route to the linear pyranocoumarins, nordentatin (5) and dentatin (6), has been established. A novel out-of-ring Claisen rearrangement has been employed in the synthesis of clausarin (10). The structure of clausenidinaric acid has been reassigned as 11.