2013, p 399

Cyclotricuspidoside C

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C43H72O17, M 860

Taxonomy: Cycloartane Glycosides

Trichosanthes tricuspidata Lour. (Cucurbitaceae) [1].

[α]D23 +12.1° (c 1.0, MeOH).

CAS Registry Number: 301644-34-8.

HRFABMS m/z: [M + H]+ 861.4847.

1H NMR (C5D5N, δ): 0.50 and 0.72 (2H-19, d, J = 4 Hz), 1.01 (CH3-21, d, J = 6 Hz), 1.02 (CH3-28, s), 1.06 (CH3-26, d, J = 7 Hz), 1.10 (CH3-27, d, J = 7 Hz), 1.28 (CH3-18, s), 1.63 (CH3-30, s), 3.30 (H-5, dd, J = 5, 13 Hz), 4.86 (31-Glcp H-1, d, J = 8 Hz), 5.51 (H-3, dd, J = 5, 12 Hz), 6.42 (29-Glcp H-1, d, J = 8 Hz).