Add time:09/01/2019         Source:sciencedirect.com

The (R) configuration at C-1 of nyasicoside and its derivatives was assigned by comparison of the Cotton effect with those of optically active phenylcarbinols, whereas the (S) configuration at C-2 was assigned by the application of the CD exciton chirality method for the diol bis p-bromobenzoates.

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