Identification and occurrence of phenylethanoid and iridoid glycosides in six Polish broomrapes (Orobanche spp. and Phelipanche spp., Orobanchaceae) Author Jedrejek, Dariusz Department of Biochemistry and Crop Quality, Institute of Soil Science and Plant Cultivation, State Research Institute, 24 - 100, Puławy, Poland Author Pawelec, Sylwia Author Piwowarczyk, Renata Author Pecio, Łukasz Author Stochmal, Anna text Phytochemistry 2020 112189 2020-02-29 170 1 12 http://dx.doi.org/10.1016/j.phytochem.2019.112189 journal article 10.1016/j.phytochem.2019.112189 1873-3700 8194197

Table 2 1 H (500 MHz) and 13 C-NMR (125 MHz) data for compound 10 (ramoside A) and 17 (2′-acetylramoside A) (δ in ppm, J in Hz, both measured in MeOH- d 4, at 30 °C).

Position	10		17
	δH	δC	δH	δC
Hydroxytyrosol
1	–	131.4	–	131.7
2	6.57 dd (8.0, 2.0)	121.3	6.53 dd (8.0, 2.1)	121.3
3	6.69 d (8.0)	116.4	6.68 d (8.0)	116.3
4	–	144.7	–	144.6
5	–	146.1	–	146.1
6	6.70 d (2.0)	117.1	6.64 d (2.1)	117.2
7	2.82 dt (14.2, 7.3)	36.7	2.72 dt (14.1, 6.1)	36.4
	2.79 dt (14.2, 6.7)		2.69 dt (14.1, 7.2)
8	3.99 ddd (9.9, 8.4, 6.7)	72.4	4.03 dt (9.7, 6.1)	71.9
	3.73 ddd (9.9, 8.4, 7.3)		3.64 dt (9.7, 7.2)
8hydroxytyrosol- O -β-Glucoside
1′	4.37 d (7.9)	104.4	4.53 d (8.0)	101.8
2′	3.39 dd (9.2, 8.0)	76.2	4.87 dd (9.5, 8.0)	75.1
3′	3.81 t (9.0)	81.6	4.01 t (9.3)	80.5
4′	5.00 t (9.2)	70.4	5.09 t (9.5)	70.5
5′	3.69 ddd (10.1, 5.5, 2.1)	74.7	3.73 ddd (10.0, 5.5, 2.1)	74.8
6′	3.75 dd (11.3, 2.1)	67.6	3.77 dd (11.2, 2.1)	67.3
	3.48 dd (11.3, 5.4)		3.49 dd (11.2, 5.4)
3′glc- O -α-Rhamnoside
1″	5.19 d (1.8)	103.0	4.80 d (1.8)	103.3
2″	3.92 dd (3.3, 1.8)	72.4	3.63 dd (3.4, 1.8)	72.6
3″	3.58 dd (9.5, 3.3)	72.1	3.51 dd (9.5, 3.4)	71.9
4″	3.29 t (9.5)	73.8	3.26 t (9.5)	73.6
5″	3.56 dq (9.5, 6.2)	70.4	3.51 dq (9.5, 6.2)	70.8
6″	1.08 d (6.2)	18.4	1.06 d (6.2)	18.4
6′glc- O -α-Rhamnoside
1‴	4.63 d (1.7)	102.3	4.63 d (1.7)	102.3
2‴	3.84 dd (3.5, 1.7)	72.0	3.85 dd (3.5, 1.7)	72.0
3‴	3.67 dd (9.5, 3.5)	72.3	3.69 dd (9.5, 3.5)	72.3
4‴	3.34 t (9.5)	74.0	3.35 t (9.5)	74.0
5‴	3.60 dq (9.5, 6.2)	69.9	3.61 dq (9.5, 6.2)	69.9
6‴	1.20 d (6.2)	18.0	1.21 d (6.3)	18.0
4′glc- O -p -Coumaric acid
1‴′	–	127.1	–	127.1
2‴′, 6‴′	7.47 d (8.7)	131.3	7.47 d (8.7)	131.4
3‴′, 5‴′	6.81 d (8.7)	116.9	6.81 d (8.7)	116.9
4‴′	–	161.4	–	161.5
7‴′	7.67 d (15.9)	147.7	7.67 d (15.9)	147.8
8‴′	6.34 d (15.9)	114.8	6.34 d (15.9)	114.7
9‴′	–	168.0	–	167.8
2′glc- O -Acetyl
COCH3	–	–	–	171.4
COCH3	–	–	1.98, s	20.9