Peak number |
tR(min) |
Molecular formula |
m/zexperimental |
m/zcalculated |
Error (ppm) |
IT/MS/MS fragment |
1* |
29.03 |
C18H19O7Cl |
383.0913 |
383.0892 |
5.48 |
365, 137 |
2 |
32.12 |
C18H19O6Cl |
367.0920 |
367.0941 |
−5.72 |
137 |
3 |
32.54 |
C18H19O7Cl |
383.0913 |
383.0892 |
5.48 |
365, 137 |
4 |
35.01 |
C18H19O6Cl |
367.0955 |
367.0943 |
3.27 |
137 |
5 |
35.87 |
C17H17O5Cl |
337.0821 |
337.0837 |
−4.75 |
319, 195 |
6 |
36.59 |
C17H17O6Cl |
353.0820 |
353.0786 |
9.63 |
335 |
7 |
39.29 |
C17H17O5Cl |
337.0844 |
337.0837 |
2.08 |
319, 195 |
8 |
41.32 |
C18H16O6 |
329.1017 |
329.1020 |
−0.91 |
137, 122 |
9 |
41.48 |
C18H20O5 |
317.1376 |
317.1384 |
−2.52 |
121, 299 |
10 |
42.09 |
C18H18O6 |
331.1164 |
331.1176 |
−3.62 |
313 |
11* |
42.99 |
C17H17O5Cl |
337.0821 |
337.0837 |
−4.75 |
319, 195 |
12 |
45.09 |
C17H14O5 |
299.0904 |
299.0914 |
−3.34 |
193, 148 |
13 |
46.62 |
C19H18O6 |
343.1173 |
343.1176 |
−0.87 |
207, 192 |
14 |
48.47 |
C18H16O5 |
313.1072 |
313.1071 |
0.32 |
206, 191 |
15 |
48.99 |
C17H17O5Cl |
337.0844 |
337.0837 |
2.08 |
319, 195 |
16* |
49.37 |
C19H18O6 |
343.1176 |
343.1176 |
0 |
137 |
17* |
50.16 |
C18H16O5 |
313.1072 |
313.1071 |
0.32 |
137 |
18 |
51.35 |
C17H17O4Cl |
321.0889 |
321.0888 |
0.31 |
303, 212 |
19 |
51.77 |
C17H14O4 |
283.0965 |
283.0965 |
0 |
192 |
20 |
52.89 |
C18H16O5 |
313.1071 |
313.1071 |
0 |
137 |
21* |
57.51 |
C18H16O5 |
313.1071 |
313.1071 |
0 |
121, 192 |
22 |
58.06 |
C19H18O4 |
327.1227 |
327.1227 |
0 |
220 |
23* |
58.48 |
C17H14O4 |
283.0965 |
283.0965 |
0 |
192 |
24 |
58.98 |
C20H20O6 |
357.1339 |
357.1333 |
1.68 |
137, 220 |
25 |
63.28 |
C18H16O4 |
297.1123 |
297.1121 |
0.67 |
121 |
26* |
64.80 |
C17H14O3 |
267.1011 |
267.1016 |
−1.87 |
107 |
27 |
66.05 |
C18H15O5Cl |
347.0681 |
347.0681 |
0 |
137 |
28* |
67.35 |
C19H18O5 |
327.1229 |
327.1227 |
0.61 |
137 |
29 |
67.78 |
C18H16O4 |
297.1126 |
297.1121 |
1.68 |
206, 191 |
30 |
69.14 |
C18H16O4 |
297.1123 |
297.1121 |
0.67 |
107, 191 |
31 |
71.68 |
C19H18O5 |
327.1127 |
327.1127 |
0 |
137 |
32* |
73.00 |
C17H14O3 |
267.1016 |
267.1016 |
0 |
176 |
33 |
75.58 |
C19H18O6 |
343.1176 |
343.1176 |
0 |
137, 167 |
34 |
77.18 |
C19H16O5 |
325.1063 |
325.1071 |
−2.46 |
151 |
35* |
82.33 |
C20H20O5 |
341.1381 |
341.1384 |
−0.88 |
121, 220 |
36* |
83.90 |
C19H18O4 |
311.1277 |
311.1278 |
−0.32 |
181, 220 |
37 |
85.35 |
C19H18O6 |
343.1176 |
343.1176 |
0 |
121 |
38 |
86.96 |
C18H16O5 |
313.1071 |
313.1071 |
0 |
222 |
39* |
91.24 |
C17H13O3Cl |
301.0625 |
301.0626 |
−0.33 |
210, 170 |
40 |
92.32 |
C17H14O2 |
251.1067 |
251.1067 |
0 |
|
41* |
93.55 |
C19H18O4 |
311.1277 |
311.1278 |
−0.32 |
121, 190 |
- *: 2-(2-phenylethyl) chromone derivatives identified with standards
- (1)8-Chloro-5,6,7-trihydroxy-2-(3-hydroxy-4-methoxyphenethyl)-5,6,7,8-tetrahydro-4H-chromen-4-one; (11) 8-Chloro-2-(2-phenylethyl)-5,6,7-trihydroxy-5,6,7,8-tetrahydrochromone; (16) 7-Hydroxy-6-methoxy-2-[2-(3′-hydroxy-4′-methoxyphenyl)ethyl]chromone; (17) 6-Hydroxy-2-[2-(4′-hydroxy-3′-methoxyphenyl)ethenyl]chromone.; (21) Oxidoagarochromone B; (23) Oxidoagarochromone A; (26) 2-(2-4′- hydroxyphenylethyl)chromone; (28) 6-Methoxy-2-[2-(3-methoxy-4-hydroxyphenyl)ethyl]chromone; (32) AH3: 6-Hydroxy-2-(2-phenylethyl)chromone; (35) AH8: 6,7-Dimethoxy-2-[2-(4-methoxyphenyl)ethyl]chromone; (36) AH6: 6,7-Dimethoxy-2(2-phenylethyl)chromone; (39) 6-Hydroxy-8- chloro −2-(2-phenylethyl) chromone; (41) 6-Methoxy-2-[2-(3′-methoxyphenyl)ethyl]chromone