Study on botanical characteristics, chemical composition and acetylcholinesterase enzyme inhibitory effects of two species Piper thomsonii (C. DC.) Hook. f. var. thomsonii and Piper hymenophyllum Miq., Piperaceae family - 27



APPENDIX 4.6

NMR AND MS SPECTRUM DATA OF COMPOUND PT6

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1 H-NMR spectrum of compound PT6 (20.3 mg) measured in CD 3 OD



13 C-NMR spectrum of compound PT6 (20.3 mg) measured in CD 3 OD



DEPT-NMR spectrum of compound PT6 (20.3 mg) measured in CD 3 OD






- Scan (0.10640000000000000000-0.19818333333333300000 min, 23 Scans) C2.d

321.0597

170.8343

194.0215

134.8662

303.0494

352.0735

i,

1.

x10 5

1.05—

1

0.95

0.9

0.85

0.8

0.75

0.7

0.65

0.6

0.55

0.5

0.45

0.4

0.35

0.3

0.25

0.2

0.15

0.1

0.05

0—


130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 350 360

Counts vs. Mass-to-Charge (m/z)


HR-ESI-MS [M+H] + spectrum of compound PT6 (20.3 mg)

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