Absolute stereostructures of hydramacrosides A and B, new bioactive secoiridoid glucoside complexes from the leaves of Hydrangea macrophylla Seringe var thunbergii Makino

DOI: 10.1248/cpb.42.1691

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 1691 - 1693 (1994)

Update date:2022-08-05

Topics:

Authors:

Yoshikawa

Ueda Ueda

Matsuda Matsuda

Yamahara

Murakami

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Article abstract of DOI:10.1248/cpb.42.1691

Two new bioactive secoiridoid glucoside complexes named hydramacrosides A and B were isolated from the leaves of Hydrangea macrophylla Seringe var. thunbergii Makino. The absolute stereostructures of hydramacrosides A and B were elucidated on the basis of chemical and physicochemical evidence which included the application of the ¹³C NMR glycosylation shift rule of 1,1'-disaccharides and the modified Mosher's method. Hydramacrosides A and B exhibited inhibitory effect on the histamine release from rat mast cells induced by antigen-antibody reaction.

Full text of DOI:10.1248/cpb.42.1691

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