“Diabetes and Metabolism Disorders Medicinal Plants: A Glance at the Past and a Look to the Future 2018”: Antihyperglycemic Activity of Hamelia patens Jacq. Extracts

Table 4

¹H (400 MHz) and ¹³C (100 MHz) NMR spectroscopic data for compound 1 in CD₃OD.

Position	δC	Type	δH, multiplicity (J in Hz)
C-2	80.0	CH	4.816, sl (8, 1.6)
C-3	67.6	CH	4.17, sept (16.8, 3.2, 1.6)
C-4	29.4	CH2	2.86, dd (16.8, 4.4, α)
			2.73, dd (16.8, 2.8, b)
C-4a	100.2	C
C-5	158.1	C
C-6	96.55	CH	5.94, d (2.4)
C-7	157.8	C
C-8	96.05	CH	5.92, d (2.4)
C-8a	157.5	C
C-1’	132.4	C
C-2’	116.0	CH	6.97, d (2)
C-3’	145.9	C
C-4’	146.1	C
C-5’	115.5	CH	6.75, d (8)
C-6’	119.6	CH	6.79, dd (8, 2)