Full description
Attached file provides supplementary data for linked article. Chemical investigations of the ethanolic extracts from the flowers and leaves of Hymenaea stigonocarpa Mart. ex Hayne afforded one new ent-halimane diterpenoid, 18-hydroxy-ent-halima-1(10),13-(E)-dien-15-oic acid (1), together with five known compounds (2-6). The structural elucidation was performed by means of NMR (COSY, HSQC, HMBC, and NOESY) and MS analyses. Complete H-1 and C-13 NMR data assignments are also reported for labd-13-en-8 beta-ol-15-oic (2) and labd-7,13-dien-15-oic (3) acids. The absolute configurations of 1 and 2 were established by comparison of experimental and calculated Raman optical activity spectra. Subjects
Chemical Sciences |
Lepidopteran |
Medicinal plant |
Physical Chemistry (Incl. Structural) |
Physical Chemistry Not Elsewhere Classified |
Raman optical activity |
Spectroscopy |
Stereochemistry |
Vibrational circular dichroism |
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- Local : 71394f5b63110f987d8967127c55d3b6
