Summary of the invention
Utilize computer modeling technique, based on the scaffold hopping principle, designed and synthesized the new urea enzyme inhibitors with structure shown in the I.Test shows that some compound has shown good inhibition activity to urease.
The object of the invention is to design and synthesize a series of phenylbenzyl propionyl-N-methyl hydroxamic acid (I) type urease inhibitor, on the basis of further investigation structure activity relationship, found the new urea enzyme inhibitors that activity is higher, toxic side effect is lower, and the method for making of phenylbenzyl propionyl-N-methyl hydroxamic acid series compound is provided.
Technical scheme of the present invention is as follows:
One class phenylbenzyl propionyl-N-methyl hydroxamic acid compound, they have following general structure:
R among the formula I
1, R
2, R
3, R
4, R
5, R
6And R
7Definition take from arbitrary group of following each group:
(1) R
4=R
5=R
7=H and R
1=R
2=R
3=OH, R
6=CH
3, C
2H
5, NO
2, CN, NMe
2, NEt
2, F, Cl, Br, OMe or OEt;
(2) R
4=R
6=R
7=H and R
1=R
2=R
3=OH, R
5=CH
3, C
2H
5, NO
2, CN, NMe
2, NEt
2, F, Cl, Br, OMe or OEt;
(3) R
4=R
7=H, R
1=R
2=R
3=OH and R
5=R
6=NO
2, CN, NH
2, NHR, NR
2, F, Cl, Br, OH, OMe or OEt;
(4) R
4=H, R
1=R
2=R
3=OH and R
5=R
6=R
7=OH, OMe or OEt;
(5) R
1=R
4=R
5=R
7=H and R
2=R
3=OH, R
6=CH
3, C
2H
5, NO
2, CN, NMe
2, NEt
2, F, Cl, Br, OMe or OEt;
(6) R
1=R
4=R
6=R
7=H and R
2=R
3=OH, R
5=CH
3, C
2H
5, NO
2, CN, NMe
2, NEt
2, F, Cl, Br, OMe or OEt;
(7) R
1=R
4=R
7=H, R
2=R
3=OH and R
5=R
6=OH, F, Cl, Br, OMe or OEt;
(8) R
1=R
4=H, R
2=R
3=OH and R
5=R
6=R
7=OH, OMe or OEt;
(9) R
1=R
2=R
4=R
5=R
7=H and R
3=OH, R
6=CH
3, C
2H
5, NO
2, CN, NMe
2, NEt
2, F, Cl, Br, OMe or OEt;
(10) R
1=R
2=R
4=R
6=R
7=H and R
3=OH, R
5=NO
2, NMe
2, F, Cl, Br, OMe or OEt.
A kind of method for preparing phenylbenzyl propionyl-N-methyl hydroxamic acid series compound, it comprises the following steps:
Step 1. is got 2-R
4-3-
R5-4R
6-5R
7Substituted benzene Acetyl Chloride 98Min. (IV) is dissolved in the anhydrous diethyl ether, adds 1-R
1-2-R
2-3-R
3Substituted benzene (III) and a certain amount of catalyzer trifluoromethanesulfonic acid ketone stir 10~25h, and the ratio of amount of substance is: 2-R
4-3-R
5-4R
6-5R
7Substituted benzene Acetyl Chloride 98Min. (IV): 1-R
1-2-R
2-3-R
3Substituted benzene (III): trifluoromethanesulfonic acid ketone=1:(2~3): 2, the control temperature of reaction is between 60 ~ 120 ℃, reaction 6 ~ 36h, cooling is poured in the beaker of trash ice and 30% concentrated hydrochloric acid, and the mass ratio of trash ice and 30% hydrochloric acid is 2:1, stir 30min, static layering, water merges organic phase with a small amount of benzene extracting twice.The gac that adds dehydrated alcohol and 5% refluxed 30 minutes, and filtered while hot adds sherwood oil, cools off to get white crystal, i.e. 2-R
1-3-R
2-4-R
3-2 '-R
4-3 '-R
5-4 '-R
6-5 '-R
7Replace phenylbenzyl ketone (II);
Step 2. is with 2-R
1-3-R
2-4-R
3-2 '-R
4-3 '-R
5-4 '-R
6-5 '-R
7Replace phenylbenzyl ketone (II), Zn, NH
4Cl, ethyl bromoacetate are ground evenly together, the ratio of amount of substance: 2-R
1-3-R
2-4-R
3-2 '-R
4-3 '-R
5-4 '-R
6-5 '-R
7Replace phenylbenzyl ketone (II): Zn:NH
4Cl: ethyl bromoacetate=1:12:8:(1~5).After room temperature leaves standstill 7~24h, pour saturated NH into
4Cl solution, AcOEt extraction, anhydrous MgSO
4Drying boils off solvent, uses the silicagel column purifying, and eluent volume ratio: AcOEt: sherwood oil=2:1~1:9 obtains 3-(2 '-R
4-3 '-R
5-4 '-R
6-5 '-R
7Substituted benzyl)-3-(2-R
1-3-R
2-4-R
3Substituted-phenyl)-3-hydroxy-propionic acid ethyl ester (V);
Step 3. is with 3-(2 '-R
4-3 '-R
5-4 '-R
6-5 '-R
7Substituted benzyl)-3-(2-R
1-3-R
2-4-R
3Substituted-phenyl)-3-hydroxy-propionic acid ethyl ester (V) is dissolved in anhydrous methanol, adds CH
3Behind NHOHHCl, the sodium methylate, stir 10~35h, the ratio of amount of substance is: 3-(2 '-R
4-3 '-R
5-4 '-R
6-5 '-R
7Substituted benzyl)-3-(2-R
1-3-R
2-4-R
3Substituted-phenyl)-3 hydroxy-propionic acid ethyl ester (V): CH
3NHOHHCl:CH
3ONa=1:4:(2~8), boil off methyl alcohol, add deionized water, with the AcOEt extraction, merge organic layer, MgSO
4Drying boils off solvent, uses the silicagel column purifying, and eluent volume ratio: AcOEt: sherwood oil=3:1~1:7 gets 3-(2 '-R
4-3 '-R
5-4 '-R
6-5 '-R
7Substituted benzyl)-3-(2-R
1-3-R
2-4-R
3Substituted-phenyl)-and 3-hydroxyl propionyl-N-methyl hydroxamic acid (I), wherein said R
1, R
2, R
3, R
4, R
5, R
6And R
7Definition identical with above-mentioned definition.
Phenylbenzyl propionyl of the present invention-N-methyl hydroxamic acid series compound has preferably inhibition active to urease, and wherein some is better than the activity of positive control N-acetylhydroxylamine.Therefore can be for the preparation of the medicine of gastritis, stomach ulcer or anti-lithangiuria.
Embodiment
Further describe the present invention by following examples, but should notice that scope of the present invention is not subjected to any restriction of these embodiment.
Embodiment 1:3-(4-luorobenzyl)-and 3-(3, the 4-dihydroxy phenyl)-preparation of 3-hydroxyl propionyl-N-methyl hydroxamic acid (32)
Get 0.7mL in fluorophenylacetyl chloride dissolving and the 20mL anhydrous diethyl ether, again to wherein adding 1.1g1,2-dihydroxy-benzene and 3g trifluoromethanesulfonic acid ketone, at 90 ℃ of lower 22h that stir, cooling is poured in the beaker of 10g trash ice and 5g 30% concentrated hydrochloric acid, stir 30min, static layering, water merges organic phase with a small amount of benzene extracting twice.Concentrated, the gac that adds dehydrated alcohol and 5% refluxed 30 minutes, and filtered while hot adds sherwood oil, cools off to get white crystal 3,4-dihydroxyl-4 '-fluorine phenylbenzyl ketone 2.19g, productive rate 89%.Get again 738mg3,4-dihydroxyl-4 '-fluorine phenylbenzyl ketone, 1.9gZn, 1.1gNH
4Cl, 1.3mL ethyl bromoacetate are ground together, leave standstill 8h, pour the saturated NH of 100mL into
4Extract anhydrous MgSO behind the Cl solution with AcOEt
4Dry, boil off solvent, purification by silica gel column chromatography, eluent volume ratio: AcOEt: sherwood oil=1:5 gets yellow oily liquid 3-(4-luorobenzyl)-3-(3, the 4-dihydroxy phenyl)-3-hydroxy-propionic acid ethyl ester 771mg, productive rate 81%, with the 3-(4-luorobenzyl)-3-(3, the 4-dihydroxy phenyl)-3-hydroxy-propionic acid ethyl ester 334mg is dissolved in the 5mL anhydrous methanol, stirs the lower CH of adding
3NHOHHCl334mg, CH
3ONa378mg, stirring at room 17h adds the 8mL deionized water after boiling off methyl alcohol, and the AcOEt extraction merges organic layer, anhydrous MgSO
4Drying boils off solvent, purification by silica gel column chromatography, eluent volume ratio: AcOEt: sherwood oil=1:2 gets white solid 3-(4-luorobenzyl)-3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (32) 245mg, productive rate 73%.Fusing point: 153~155 ℃.EIMS?m/z:335[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.24(s,1H),8.75(s,1H),7.29(dd,2H),7.19(dd,2H),6.98~6.91(m,2H),6.71(d,1H),5.57(s,1H),5.35(s,2H),3.27(s,3H),3.16(s,2H),2.61~2.47(m,2H)。
Embodiment 2:
Press the similar method of embodiment 1, be raw material with the phenylbenzyl ketone of different replacement forms, synthesized the listed phenylbenzyl propionyl of table 1-N-methyl hydroxamic acid series compound 1~80.
Each R group of phenylbenzyl propionyl in table 1 general formula I-N-methyl hydroxamic acid series compound
Sequence number |
R
1 |
R
2 |
R
3 |
R
4 |
R
5 |
R
6 |
R
7 |
1 |
OH |
OH |
OH |
H |
H |
F |
H |
2 |
OH |
OH |
OH |
H |
H |
Cl |
H |
3 |
OH |
OH |
OH |
H |
H |
Br |
H |
4 |
OH |
OH |
OH |
H |
H |
OMe |
H |
5 |
OH |
OH |
OH |
H |
H |
OEt |
H |
6 |
OH |
OH |
OH |
H |
H |
NO
2 |
H |
7 |
OH |
OH |
OH |
H |
H |
NMe
2 |
H |
8 |
OH |
OH |
OH |
H |
H |
NEt
2 |
H |
Sequence number |
R
1 |
R
2 |
R
3 |
R
4 |
R
5 |
R
6 |
R
7 |
9 |
OH |
OH |
OH |
H |
H |
CN |
H |
10 |
OH |
OH |
OH |
H |
H |
Me |
H |
11 |
OH |
OH |
OH |
H |
H |
Et |
H |
12 |
OH |
OH |
OH |
H |
F |
H |
H |
13 |
OH |
OH |
OH |
H |
Cl |
H |
H |
14 |
OH |
OH |
OH |
H |
Br |
H |
H |
15 |
OH |
OH |
OH |
H |
OMe |
H |
H |
16 |
OH |
OH |
OH |
H |
OEt |
H |
H |
17 |
OH |
OH |
OH |
H |
NO
2 |
H |
H |
18 |
OH |
OH |
OH |
H |
NMe
2 |
H |
H |
19 |
OH |
OH |
OH |
H |
NEt
2 |
H |
H |
20 |
OH |
OH |
OH |
H |
CN |
H |
H |
21 |
OH |
OH |
OH |
H |
Me |
H |
H |
22 |
OH |
OH |
OH |
H |
Et |
H |
H |
23 |
OH |
OH |
OH |
H |
OH |
OH |
H |
24 |
OH |
OH |
OH |
H |
OMe |
OMe |
H |
25 |
OH |
OH |
OH |
H |
OEt |
OEt |
H |
26 |
OH |
OH |
OH |
H |
F |
F |
H |
27 |
OH |
OH |
OH |
H |
Cl |
Cl |
H |
28 |
OH |
OH |
OH |
H |
Br |
Br |
H |
29 |
OH |
OH |
OH |
H |
OH |
OH |
OH |
30 |
OH |
OH |
OH |
H |
OMe |
OMe |
OMe |
31 |
OH |
OH |
OH |
H |
OEt |
OEt |
OEt |
32 |
H |
OH |
OH |
H |
H |
F |
H |
33 |
H |
OH |
OH |
H |
H |
Cl |
H |
34 |
H |
OH |
OH |
H |
H |
Br |
H |
35 |
H |
OH |
OH |
H |
H |
OMe |
H |
Sequence number |
R
1 |
R
2 |
R
3 |
R
4 |
R
5 |
R
6 |
R
7 |
36 |
H |
OH |
OH |
H |
H |
OEt |
H |
37 |
H |
OH |
OH |
H |
H |
NO2 |
H |
38 |
H |
OH |
OH |
H |
H |
NMe
2 |
H |
39 |
H |
OH |
OH |
H |
H |
NEt
2 |
H |
40 |
H |
OH |
OH |
H |
H |
CN |
H |
41 |
H |
OH |
OH |
H |
H |
Me |
H |
42 |
H |
OH |
OH |
H |
H |
Et |
H |
43 |
H |
OH |
OH |
H |
F |
H |
H |
44 |
H |
OH |
OH |
H |
Cl |
H |
H |
45 |
H |
OH |
OH |
H |
Br |
H |
H |
46 |
H |
OH |
OH |
H |
OMe |
H |
H |
47 |
H |
OH |
OH |
H |
OEt |
H |
H |
48 |
H |
OH |
OH |
H |
NO
2 |
H |
H |
49 |
H |
OH |
OH |
H |
NMe
2 |
H |
H |
50 |
H |
OH |
OH |
H |
NEt
2 |
H |
H |
51 |
H |
OH |
OH |
H |
CN |
H |
H |
52 |
H |
OH |
OH |
H |
Me |
H |
H |
53 |
H |
OH |
OH |
H |
Et |
H |
H |
54 |
H |
OH |
OH |
H |
OH |
OH |
H |
55 |
H |
OH |
OH |
H |
OMe |
OMe |
H |
56 |
H |
OH |
OH |
H |
OEt |
OEt |
H |
57 |
H |
OH |
OH |
H |
F |
F |
H |
58 |
H |
OH |
OH |
H |
Cl |
Cl |
H |
59 |
H |
OH |
OH |
H |
Br |
Br |
H |
60 |
H |
OH |
OH |
H |
OH |
OH |
OH |
61 |
H |
OH |
OH |
H |
OMe |
OMe |
OMe |
62 |
H |
OH |
OH |
H |
OEt |
OEt |
OEt |
Sequence number |
R
1 |
R
2 |
R
3 |
R
4 |
R
5 |
R
6 |
R
7 |
63 |
H |
H |
OH |
H |
H |
F |
H |
64 |
H |
H |
OH |
H |
H |
Cl |
H |
65 |
H |
H |
OH |
H |
H |
Br |
H |
66 |
H |
H |
OH |
H |
H |
OMe |
H |
67 |
H |
H |
OH |
H |
H |
OEt |
H |
68 |
H |
H |
OH |
H |
H |
NO
2 |
H |
69 |
H |
H |
OH |
H |
H |
NMe
2 |
H |
70 |
H |
H |
OH |
H |
H |
NEt
2 |
H |
71 |
H |
H |
OH |
H |
H |
CN |
H |
72 |
H |
H |
OH |
H |
H |
Me |
H |
73 |
H |
H |
OH |
H |
H |
Et |
H |
74 |
H |
H |
OH |
H |
F |
H |
H |
75 |
H |
H |
OH |
H |
Cl |
H |
H |
76 |
H |
H |
OH |
H |
Br |
H |
H |
77 |
H |
H |
OH |
H |
OMe |
H |
H |
78 |
H |
H |
OH |
H |
OEt |
H |
H |
79 |
H |
H |
OH |
H |
NO
2 |
H |
H |
80 |
H |
H |
OH |
H |
NMe
2 |
H |
H |
Annotate: initial feed is all available from aldrich company
Embodiment 3: the Inhibiting enzyme activity of compound
Add 25 μ L Jack bean(sword beans in 96 orifice plates) urease (4U) and 25 μ L(1mM) solution of test compound, at 37 ℃ of lower 2h that cultivate, then add the phosphoric acid buffer 55 μ L that contain 100mM urea and 100mM, at 30 ℃ of lower 15min that cultivate, add 45 μ L phenol reagents (containing phenol 1% and the mixing solutions that contains Sodium Nitroprusside 0.005%) and 70 μ L alkali reagents (mixing solutions that contains the NaOCl of NaOH0.5% and 0.1% reactive chlorine), after at room temperature placing 50min, with the OD value under the microplate reader mensuration 630nm, percent inhibition is calculated as follows:
All tests are all carried out (the K of 0.01M in pH is 8.2 solution
2HPO
4, the EDTA of 1mM, the LiCl of 0.01M), active height is with half inhibiting rate IC
50Represent IC
50Less, the activity of this compound is higher, the results are shown in Table 2.
The result shows: part phenylbenzyl propionyl of the present invention-N-methyl hydroxamic acid series compound has preferably inhibition active to urease, and some are higher than the activity of positive control N-acetylhydroxylamine.
Table 2 phenylbenzyl propionyl-N-methyl hydroxamic acid series compound is to the restraining effect (IC of sword bean urease
50)
Sequence number |
IC
50(μM)
|
Sequence number |
IC
50(μM)
|
Sequence number |
IC
50(μM)
|
1 |
33 |
28 |
124 |
55 |
342 |
2 |
63 |
29 |
447 |
56 |
147 |
2 |
451 |
30 |
12 |
57 |
349 |
4 |
194 |
31 |
66 |
58 |
62 |
5 |
152 |
32 |
71 |
59 |
513 |
6 |
68 |
33 |
3.0 |
60 |
8.5 |
7 |
184 |
34 |
131 |
61 |
179 |
8 |
143 |
35 |
61 |
62 |
173 |
9 |
584 |
36 |
59 |
63 |
526 |
10 |
278 |
37 |
157 |
64 |
45 |
11 |
83 |
38 |
259 |
65 |
78 |
12 |
346 |
39 |
2.2 |
66 |
0.2 |
13 |
57 |
40 |
125 |
67 |
65 |
14 |
65 |
41 |
217 |
68 |
206 |
15 |
0.1 |
42 |
143 |
69 |
295 |
16 |
285 |
43 |
126 |
70 |
4.8 |
17 |
142 |
44 |
31 |
71 |
321 |
18 |
1.2 |
45 |
71 |
72 |
138 |
19 |
41 |
46 |
94 |
73 |
138 |
20 |
82 |
47 |
346 |
74 |
59 |
21 |
125 |
48 |
122 |
75 |
137 |
22 |
1.1 |
49 |
0.7 |
76 |
63 |
23 |
339 |
50 |
8.2 |
77 |
310 |
24 |
113 |
51 |
0.3 |
78 |
325 |
25 |
34 |
52 |
97 |
79 |
212 |
26 |
49 |
53 |
196 |
80 |
62 |
27 |
85 |
54 |
41 |
N-acetylhydroxylamine |
17 |
The result shows, compound 15,18,22,33,39,32,49,51,60,66, the 70 pairs of sword bean ureases have aobvious restraining effect, and restraining effect is higher than N-acetylhydroxylamine, active best 170 times of reaching N-acetylhydroxylamine.
The above embodiment of the present invention shows: in synthetic phenylbenzyl propionyl-N-methyl hydroxamic acid series compound, the Urease inhibitor effect of a part is higher than the positive control N-acetylhydroxylamine, anxious poison experiment to rat shows, compound 18,39,51,66 dosage reach the non-toxic that this dosage of 5g/kg(is the pharmacopeia regulation) time, do not find that rat has the poisoning sign, therefore under normal dose, they are safe as medicinal application.
The fusing point of compound 1~80, mass spectrum and hydrogen spectrum data:
The 3-(4-luorobenzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (1):
Mp181~183℃;EIMS?m/z:351[M
+];
1H?NMR(400MHz,CDCl3,δ):10.36(s,1H),8.82(s,1H),7.25(dd,2H),7.16(dd,2H),6.40(d,1H),6.23(d,1H),5.61(s,1H),5.36(s,3H),3.32(s,3H),3.11(s,2H),2.72~2.55(m,2H)。
The 3-(4-chlorobenzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (2):
Mp203~205℃;EIMS?m/z:367[M+];1H?NMR(400MHz,CDCl3,δ):10.42(s,1H),8.83(s,1H),7.44(dd,2H),7.26(dd,2H),6.42(d,1H),6.24(d,1H),5.61(s,1H),5.33(s,3H),3.32(s,3H),3.14(s,2H),2.75~2.57(m,2H)。
The 3-(4-bromobenzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (3):
Mp233~235℃;EIMS?m/z:411[M+];1H?NMR(400MHz,CDCl3,δ):10.39(s,1H),8.73(s,1H),7.88(dd,2H),7.18(dd,2H),6.37(d,1H),6.26(d,1H),562(s,1H),536(s,3H),329(s,3H),312(s,2H),277~264(m,2H)。
The 3-(4-methoxy-benzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (4):
Mp199~201℃;EIMS?m/z:363[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.43(s,1H),8.87(s,1H),7.13(dd,2H),6.94(dd,2H),6.37(d,1H),6.27(d,1H),5.58(s,1H),5.32(s,3H),3.83(s,3H),3.30(s,3H),3.11(s,2H),2.70~2.58(m,2H)。
The 3-(4-ethoxy benzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (5):
Mp202~204℃;EIMS?m/z:377[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.35(s,1H),8.76(s,1H),7.18(dd,2H),6.96(dd,2H),6.43(d,1H),6.28(d,1H),5.67(s,1H),5.35(s,3H),4.10~4.05(m,2H),3.32(s,3H),3.12(s,2H),2.70~2.54(m,2H),1.02(t,3H)。
The 3-(4-nitrobenzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (6):
Mp199~201℃;EIMS?m/z:378[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.36(s,1H),8.65(s,1H),8.21(dd,2H),7.51(dd,2H),6.40(d,1H),6.22(d,1H),5.52(s,1H),5.31(s,3H),3.28(s,3H),3.10(s,2H),2.69~2.58(m,2H)。
3-(4-N, N-dimethylamino benzyl)-3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (7):
Mp207~209℃;EIMS?m/z:376[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.40(s,1H),8.81(s,1H),7.13(dd,2H),6.67(dd,2H),6.48(d,1H),6.21(d,1H),5.67(s,1H),5.30(s,3H),3.32(s,3H),3.11(s,2H),3.02(s,6H),2.60~2.49(m,2H)。
3-(4-N, N-diethylin benzyl)-3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (8):
Mp228~230℃;EIMS?m/z:404[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.32(s,1H),8.71(s,1H),7.12(dd,2H),6.73(dd,2H),6.39(d,1H),6.24(d,1H),5.54(s,1H),5.42(s,3H),3.43~3.38(m,4H),3.30(s,3H),3.10(s,2H),2.58~2.50(m,2H),1.05(t,6H)。
3-(4-cyano group benzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (9):
Mp189~190℃;EIMS?m/z:358[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.44(s,1H),8.70(s,1H),7.61(dd,2H),7.47(dd,2H),6.40(d,1H),6.28(d,1H),5.64(s,1H),5.33(s,3H),3.33(s,3H),3.12(s,2H),2.75~2.58(m,2H)。
The 3-(4-methyl-benzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (10):
Mp175~176℃;EIMS?m/z:347[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.02(s,1H),8.68(s,1H),7.22(dd,2H),6.98(dd,2H),6.43(d,1H),6.31(d,1H),5.61(s,1H),5.35(s,3H),3.27(s,3H),3.14(s,2H),2.61~2.47(m,2H),2.31(s,3H)。
The 3-(4-Ethylbenzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (11):
Mp197~199℃;EIMS?m/z:361[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.45(s,1H),8.66(s,1H),7.05(dd,4H),6.56(d,1H),6.31(d,1H),5.70(s,1H),5.40(s,3H),3.29(s,3H),3.12(s,2H),2.68~2.49(m,2H),2.62~2.56(m,2H),1.05(t,3H)。
The 3-(3-luorobenzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (12):
Mp182~184℃;EIMS?m/z:351[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.36(s,1H),8.69(s,1H),7.41~7.36(m,1H),7.09~7.03(m,2H),6.85(dd,1H),6.40(d,1H),6.32(d,1H),5.38(s,3H),5.27(s,1H),3.31(s,3H),3.22(s,2H),2.60~2.47(m,2H)。
The 3-(3-chlorobenzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (13):
Mp200~201℃;EIMS?m/z:367[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.38(s,1H),8.74(s,1H),7.52(s,1H),7.35~7.24(m,2H),7.20~7.13(m,1H),6.43(d,1H),6.27(d,1H),5.70(s,1H),5.35(s,3H),3.32(s,3H),3.11(s,2H),2.70~2.55(m,2H)。
The 3-(3-bromobenzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (14):
Mp232~234℃;EIMS?m/z:411[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.39(s,1H),8.78(s,1H),7.42~7.37(m,2H),7.30~7.23(m,2H),6.42(d,1H),6.25(d,1H),5.61(s,1H),5.38(s,3H),3.32(s,3H),3.28(s,2H),2.72~2.57(m,2H)。
The 3-(3-methoxy-benzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (15):
Mp198~199℃;EIMS?m/z:363[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.29(s,1H),8.59(s,1H),7.31(t,1H),7.05(s,1H),6.89~6.80(m,2H),6.40(d,1H),6.24(d,1H),5.67(s,1H),5.37(s,3H),3.83(s,3H),3.32(s,3H),3.10(s,2H),2.73~2.61(m,2H)。
The 3-(3-ethoxy benzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (16):
Mp204~206℃;EIMS?m/z:377[M
+];H?NMR(400MHz,CDCl
3,δ):10.45(s,1H),876(s,1H),725(t,1H),707(s,1H),687~680(m,2H),636(d,1H),629(d,1H),5.74(s,1H),5.33(s,3H),4.06(q,2H),3.31(s,3H),3.09(s,2H),2.78~2.62(m,2H),1.02(t,3H)。
The 3-(3-nitrobenzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (17):
Mp207~208℃;EIMS?m/z:378[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.46(s,1H),8.74(s,1H),8.20~8.08(m,2H),7.70~7.60(m,2H),6.45(d,1H),6.22(d,1H),5.66(s,1H),5.29(s,3H),3.34(s,3H),3.11(s,2H),2.77~2.61(m,2H)。
3-(3-N, N-dimethylamino benzyl)-3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (18):
Mp206~208℃;EIMS?m/z:376[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.34(s,1H),8.73(s,1H),7.22(t,1H),6.78~6.71(m,2H),6.67~6.60(m,1H),6.35(d,1H),6.28(d,1H),5.50(s,1H),5.32(s,3H),3.32(s,3H),3.10(s,2H),3.03(s,6H),2.80~2.62(m,2H)。
3-(3-N, N-diethylin benzyl)-3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (19):
Mp228~230℃;EIMS?m/z:404[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.39(s,1H),8.75(s,1H),7.25(t,1H),7.10~7.05(m,1H),6.79(s,1H),6.64~6.61(m,1H),6.48(d,1H),6.30(d,1H),5.65(s,1H),5.32(s,3H),3.45(q,4H),3.31(s,3H),3.08(s,2H),2.62~2.49(m,2H),1.05(t,6H)。
3-(3-cyano group benzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (20):
Mp188~190℃;EIMS?m/z:358[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.38(s,1H),8.79(s,1H),8.01(s,1H),7.78~7.70(m,1H),7.59~7.53(m,1H),7.10(t,1H),6.36(d,1H),6.28(d,1H),5.60(s,1H),5.35(s,3H),3.33(s,3H),3.12(s,2H),2.76~2.64(m,2H)。
The 3-(3-methyl-benzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (21):
Mp173~175℃;EIMS?m/z:347[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.26(s,1H),8.68(s,1H),7.50(t,1H),7.18(s,1H),7.10~7.02(m,2H),6.38(d,1H),6.28(d,1H),5.54(s,1H),5.32(s,3H),3.30(s,3H),2.98(s,2H),2.74~2.56(m,2H),2.30(s,3H)。
The 3-(3-Ethylbenzyl)-and 3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (22):
Mp198~199℃;EIMS?m/z:361[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.34(s,1H),8.78(s,1H),5.61(s,1H),6.43(d,1H),6.24(d,1H),5.33(s,3H),7.12~7.07(m,2H),7.24(s,1H),7.52(t,1H),3.32(s,3H),3.11(s,2H),2.60(q,2H),2.78~2.65(m,2H),1.05(t,3H)。
3-(3, the 4-dihydroxy benzyl)-3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (23):
Mp204~206℃;EIMS?m/z:365[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.26(s,1H),8.58(s,1H),6.89(d,1H),6.74~6.64(m,2H),6.47(d,1H),6.26(d,1H),5.63(s,1H),5.40(s,5H),3.31(s,3H),3.18(s,2H),2.69~2.48(m,2H)。
3-(3, the 4-dimethoxy-benzyl)-3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (24):
Mp220~222℃;EIMS?m/z:393[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.19(s,1H),8.87(s,1H),6.80~6.73(m,3H),6.43(d,1H),6.28(d,1H),5.54(s,1H),5.32(s,3H),3.83(s,6H),3.33(s,3H),3.11(s,2H),2.77~2.64(m,2H)。
3-(3,4-diethoxy benzyl)-3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (25):
Mp236~238℃;EIMS?m/z:421[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.27(s,1H),8.55(s,1H),6.80~6.72(m,3H),6.39(d,1H),6.33(d,1H),5.51(s,1H),5.41(s,3H),4.05(q,4H),3.32(s,3H),3.11(s,2H),2.64~2.47(m,2H),1.02(t,6H)。
3-(3, the 4-difluorobenzyl)-3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (26):
Mp202~204℃;EIMS?m/z:369[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.16(s,1H),8.67(s,1H),7.04(dd,1H),7.15(d,1H),6.78(d,1H),6.42(d,1H),6.28(d,1H),5.70(s,1H),5.32(s,3H),3.32(s,3H),3.15(s,2H),2.61~2.47(m,2H)。
3-(3, the 4-dichloro benzyl)-3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (27):
Mp226~227℃;EIMS?m/z:401[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.33(s,1H),8.78(s,1H),7.68(d,1H),7.45(d,1H),7.15(dd,1H),6.40(d,1H),6.28(d,1H),5.72(s,1H),5.35(s,3H),3.34(s,3H),3.22(s,2H),2.65~2.51(m,2H)。
3-(3, the 4-dibromo-benzyl)-3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (28):
Mp254~256℃;EIMS?m/z:491[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.45(s,1H),8.76(s,1H),7.42(d,1H),7.33(d,1H),7.12(dd,1H),6.43(d,1H),6.23(d,1H),5.58(s,3H),5.52(s,1H),3.30(s,3H),2.97(s,2H),2.76~2.50(m,2H)。
3-(3,4,5-trihydroxy-benzyl)-3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (29):
Mp215~217℃;EIMS?m/z:381[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.05(s,1H),8.56(s,1H),6.42(d,2H),6.33(d,1H),6.26(d,1H),5.62(s,1H),5.34(s,6H),330(s,3H),313(s,2H),264~252(m,2H)。
3-(3,4,5-trimethoxy benzyl)-3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (30):
Mp235~237℃;EIMS?m/z:423[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.26(s,1H),8.92(s,1H),6.43(d,1H),6.31(d,2H),6.24(d,1H),5.59(s,1H),5.34(s,3H),3.85(s,9H),3.31(s,3H),3.03(s,2H),2.70~2.59(m,2H)。
3-(3,4,5-triethoxy benzyl)-3-(2,3,4-trihydroxy-phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (31):
Mp249~251℃;EIMS?m/z:465[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.25(s,1H),8.87(s,1H),6.37(d,1H),6.33(d,2H),6.24(d,1H),5.57(s,1H),5.33(s,3H),4.09(q,6H),3.27(s,3H),3.10(s,2H),2.64~2.51(m,2H),1.02(t,9H)。
The 3-(4-luorobenzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (32):
Mp155~157℃。EIMS?m/z:349[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.27(s,1H),8.78(s,1H),7.29(dd,2H),7.16(dd,2H),6.98~6.90(m,2H),6.71(d,1H),5.57(s,1H),5.32(s,2H),3.24(s,3H),3.16(s,2H),2.58~2.47(m,2H)。
The 3-(4-chlorobenzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (33):
Mp183~185℃;EIMS?m/z:351[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.54(s,1H),8.66(s,1H),5.60(s,1H),6.96~6.89(m,2H),6.72(d,1H),5.38(s,2H),7.40(dd,2H),7.19(dd,2H),3.32(s,3H),3.02(s,2H),2.77~2.63(m,2H)。
The 3-(4-bromobenzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (34):
Mp224~226℃;EIMS?m/z:395[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.39(s,1H),8.58(s,1H),7.94(dd,2H),7.20(dd,2H),6.97~6.92(m,2H),6.71(d,1H),5.67(s,1H),5.34(s,2H),3.34(s,3H),3.14(s,2H),2.52~2.43(m,2H)。
The 3-(4-methoxy-benzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (35):
Mp176~177℃;EIMS?m/z:347[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.35(s,1H),8.66(s,1H),7.15(dd,2H),6.97~6.90(m,2H),6.94(dd,2H),6.78(d,1H),5.50(s,1H),5.32(s,2H),3.32(s,3H),3.02(s,2H),2.55~2.49(m,2H)。
The 3-(4-ethoxy benzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (36):
Mp195~197℃;EIMS?m/z:361[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.404(s,1H),8.65(s,1H),7.16(dd,2H),6.99~6.92(m,2H),6.93(dd,2H),6.70(d,1H),5.56(s,1H)5.30(s,2H),4.07(q,2H),3.31(s,3H),3.11(s,2H),2.62~2.52(m,2H),1.02(t,3H)。
The 3-(4-nitrobenzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (37):
Mp198~200℃;EIMS?m/z:362[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.29(s,1H),8.67(s,1H),8.23(dd,2H),7.57(dd,2H),6.97~6.93(m,2H),6.73(d,1H),5.52(s,1H),5.32(s,2H),3.30(s,3H),3.14(s,2H),2.70~2.53(m,2H)。
3-(4-N, the N-dimethyl benzyl)-3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (38):
Mp193~194℃;EIMS?m/z:360[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.38(s,1H),8.76(s,1H),7.11(dd,2H),6.99~6.93(m,2H),6.71(dd,2H),6.72(d,1H),5.57(s,1H),5.31(s,2H),3.29(s,3H),3.13(s,2H),3.02(s,6H),2.71~2.55(m,2H)。
3-(4-N, N-diethyl benzyl)-3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (39):
Mp219~221℃;EIMS?m/z:388[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.28(s,1H),8.73(s,1H),7.12(dd,2H),6.98~6.91(m,2H),6.70(dd,2H),6.69(d,1H),5.51(s,1H),5.37(s,2H),3.43(q,4H),3.31(s,3H),3.10(s,2H),2.77~2.49(m,2H),1.05(t,6H)。
3-(4-cyano group benzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (40):
Mp160~162℃;EIMS?m/z:342[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.35(s,1H),8.77(s,1H),7.59(dd,2H),7.42(dd,2H),6.97~6.91(m,2H),6.71(d,1H),5.62(s,1H),5.33(s,2H),3.30(s,3H),3.12(s,2H),2.71~2.53(m,2H)。
The 3-(4-methyl-benzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (41):
Mp148~149℃;EIMS?m/z:331[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.44(s,1H),8.76(s,1H),7.15(dd,2H),7.00~6.92(m,4H),6.70(d,1H),5.54(s,1H),5.36(s,2H),3.29(s,3H),3.20(s,2H),2.78~2.65(m,2H),2.14(s,3H)。
The 3-(4-Ethylbenzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (42):
Mp168~170℃;EIMS?m/z:334[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.25(s,1H),8.28(s,1H),7.05(dd,4H),6.96~6.90(m,2H),6.72(d,1H),5.63(s,1H),5.20(s,2H),3.30(s,3H),3.11(s,2H),2.71~2.59(m,2H),2.60(q,2H),1.05(t,3H)。
The 3-(3-luorobenzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (43):
Mp156~157℃;EIMS?m/z:335[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.16(s,1H),8.40(s,1H),7.41~7.36(m,1H),7.12~7.05(m,2H),6.97~6.91(m,2H),6.83(dd,1H),672(d,1H),565(s,1H),530(s,2H),332(s,3H),311(s,2H),2.71~2.51(m,2H)。
The 3-(3-chlorobenzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (44):
Mp182~184℃;EIMS?m/z:351[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.24(s,1H),8.65(s,1H),7.49(dd,1H),7.37~7.29(m,2H),7.23~7.15(m,1H),6.99~6.93(m,2H),6.71(d,1H),5.62(s,1H),5.39(s,2H),3.32(s,3H),3.14(s,2H),2.63~2.53(m,2H)。
The 3-(3-bromobenzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (45):
Mp223~225℃;EIMS?m/z:395[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.47(s,1H),8.94(s,1H),7.45~7.41(m,2H),7.30~7.21(m,2H),6.99~6.92(m,2H),6.77(d,1H),5.59(s,1H),5.33(s,2H),3.31(s,3H),3.15(s,2H),2.65~2.50(m,2H)。
The 3-(3-methoxy-benzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (46):
Mp176~178℃;EIMS?m/z:347[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.25(s,1H),8.79(s,1H),7.24(t,1H),7.07(dd,1H),6.99~6.92(m,2H),,6.85~6.77(m,2H),6.70(d,1H),5.61(s,1H),5.36(s,2H),3.83(s,3H),3.32(s,3H),3.13(s,2H),2.62~2.53(m,2H)。
The 3-(3-ethoxy benzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (47):
Mp195~197℃;EIMS?m/z:361[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.37(s,1H),8.82(s,1H),7.25(t,1H),7.07(dd,1H),6.98~6.90(m,2H),6.88~6.80(m,2H),6.72(d,1H),5.57(s,1H),5.34(s,2H),4.09(q,2H),3.28(s,3H),2.98(s,2H),2.65~2.57(m,2H),1.02(t,3H)。
The 3-(3-nitrobenzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (48):
Mp198~199℃;EIMS?m/z:362[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.26(s,1H),8.71(s,1H),8.20~8.06(m,2H),7.73~7.64(m,2H),6.98~6.90(m,2H),6.70(d,1H),5.63(s,1H),5.34(s,2H),3.33(s,3H),3.12(s,2H),2.65~2.56(m,2H)。
3-(3-N, the N-dimethyl benzyl)-3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (49):
Mp194~196℃;EIMS?m/z:360[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.43(s,1H),8.91(s,1H),7.26(t,1H),6.98~6.91(m,2H),6.78~6.61(m,4H),5.55(s,1H),537(s,2H),331(s,3H),314(s,2H),309(s,6H),269~257(m,2H)。
3-(3-N, N-diethyl benzyl)-3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (50):
Mp219~220℃;EIMS?m/z:388[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.47(s,1H),8.93(s,1H),7.23~7.09(m,2H),6.98~6.90(m,2H),6.76~6.73(m,1H),6.74(d,1H),6.69~6.62(m,1H),5.54(s,1H),5.30(s,2H),3.41(q,4H),3.32(s,3H),3.10(s,2H),2.66~2.52(m,2H),1.05(t,6H)。
3-(3-cyano group benzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (51):
Mp158~159℃;EIMS?m/z:342[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.35(s,1H),8.84(s,1H),8.01(dd,1H),7.79~7.73(m,1H),7.59~7.54(m,1H),7.10(t,1H),6.98~6.92(m,2H),6.72(d,1H),5.60(s,1H),5.34(s,2H),3.32(s,3H),3.09(s,2H),2.63~2.54(m,2H)。
The 3-(3-methyl-benzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (52):
Mp147~149℃;EIMS?m/z:331[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.38(s,1H),8.77(s,1H),7.53(t,1H),7.15~6.92(m,5H),6.71(d,1H),5.53(s,1H),5.31(s,2H),3.32(s,3H),3.09(s,2H),2.68~2.56(m,2H),2.24(s,3H)。
The 3-(3-Ethylbenzyl)-and 3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (53):
Mp167~169℃;EIMS?m/z:345[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.29(s,1H),8.74(s,1H),7.57(t,1H),7.20(dd,1H),7.17~7.10(m,2H),6.98~6.93(m,2H),6.68(d,1H),5.60(s,1H),5.32(s,2H),3.34(s,3H),3.14(s,2H),2.72~2.58(m,2H),2.60(q,2H),1.05(t,3H)。
3-(3, the 4-dihydroxy benzyl)-3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (54):
Mp178~179℃;EIMS?m/z:349[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.27(s,1H),8.83(s,1H),6.98~6.92(m,2H),6.86(d,1H),6.74~6.68(m,3H),5.64(s,1H),5.31(s,4H),3.32(s,3H),3.11(s,2H),2.60~2.49(m,2H)。
3-(3, the 4-dimethoxy-benzyl)-3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (55):
Mp205~207℃;EIMS?m/z:377[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.46(s,1H),8.87(s,1H),5.57(s,1H),6.78~6.71(m,3H),6.96~6.82(m,3H),5.43(s,2H),3.83(s,6H),3.34(s,3H),3.06(s,2H),2.67~2.59(m,2H)。
3-(3,4-diethoxy benzyl)-3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (56):
Mp228~229℃;EIMS?m/z:405[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.27(s,1H),865(s,1H),693~682(m,3H),677~669(m,3H),561(s,1H),536(s,2H),4.10(q,4H),3.28(s,3H),3.10(s,2H),2.65~2.52(m,2H),1.03(t,6H)。
3-(3, the 4-difluorobenzyl)-3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (57):
Mp186~188℃;EIMS?m/z:353[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.12(s,1H),8.76(s,1H),7.17(s,1H),7.07(dd,1H),6.96~6.90(m,2H),6.81(d,1H),6.76(d,1H),5.58(s,1H),5.34(s,2H),3.32(s,3H),3.07(s,2H),2.55~2.48(m,2H)。
3-(3, the 4-dichloro benzyl)-3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (58):
Mp218~219℃;EIMS?m/z:385[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.28(s,1H),8.69(s,1H),7.66(d,1H),7.45(s,1H),7.11(dd,1H),6.98~6.92(m,2H),6.76(d,1H),5.66(s,1H),5.30(s,2H),3.32(s,3H),3.10(s,2H),2.66~2.53(m,2H)。
3-(3, the 4-dibromo-benzyl)-3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (59):
Mp249~250℃;EIMS?m/z:475[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.27(s,1H),8.64(s,1H),7.46(d,1H),7.33(s,1H),7.14(dd,1H),6.96~6.91(m,2H),6.70(d,1H),5.67(s,1H),5.39(s,2H),3.31(s,3H),3.07(s,2H),2.66~2.53(m,2H)。
3-(3,4,5-trihydroxy-benzyl)-3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (60):
Mp201~203℃;EIMS?m/z:365[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.34(s,1H),8.64(s,1H),6.98~6.92(m,2H),6.72(d,1H),6.44(s,2H),5.57(s,1H),5.37(s,5H),3.32(s,3H),3.12(s,2H),2.61~2.51(m,2H)。
3-(3,4,5-trimethoxy benzyl)-3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (61):
Mp231~233℃;EIMS?m/z:407[M+];1H?NMR(400MHz,CDCl3,δ):10.25(s,1H),8.84(s,1H),6.97~6.91(m,2H),6.71(d,1H),6.35(s,2H),5.65(s,1H),5.32(s,2H),3.83(s,9H),3.30(s,3H),3.17(s,2H),2.71~2.54(m,2H)。
3-(3,4,5-triethoxy benzyl)-3-(3, the 4-dihydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (62):
Mp245~247℃;EIMS?m/z:449[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.29(s,1H),8.57(s,1H),6.98~6.92(m,2H),6.69(d,1H),6.35(s,2H),5.58(s,1H),5.34(s,2H),4.10(q,6H),3.32(s,3H),3.13(s,2H),2.63~2.52(m,2H),1.03(t,9H)。
The 3-(4-luorobenzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (63):
Mp137~139℃;EIMS?m/z:319[M+];1H?NMR(400MHz,CDCl3,δ):10.20(s,1H),8.64(s,1H),7.35(dd,2H),7.27(dd,2H),7.15(dd,2H),6.68(dd,2H),5.52(s,1H),5.35(s,1H),3.29(s,3H),3.14(s,2H),2.62~2.48(m,2H)。
The 3-(4-chlorobenzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (64):
Mp156~158℃;EIMS?m/z:335[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.35(s,1H),8.80(s,1H),7.48(dd,2H),7.37(dd,2H),7.26(dd,2H),6.66(dd,2H),5.60(s,1H),5.36(s,1H),3.33(s,3H),3.09(s,2H),2.67~2.56(m,2H)。
The 3-(4-bromobenzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (65):
Mp210~212℃;EIMS?m/z:379[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.39(s,1H),8.80(s,1H),7.92(dd,2H),7.36(dd,2H),7.18(dd,2H),6.65(dd,2H),5.67(s,1H),5.35(s,1H),3.32(s,3H),3.10(s,2H),2.71~2.58(m,2H)。
The 3-(4-methoxy-benzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (66):
Mp145~146℃;EIMS?m/z:331[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.22(s,1H),8.93(s,1H),7.36(dd,2H),7.19(dd,2H),6.94(dd,2H),6.68(dd,2H),5.62(s,1H),5.38(s,1H),3.83(s,3H),3.34(s,3H),3.12(s,2H),2.67~2.55(m,2H)。
The 3-(4-ethoxy benzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (67):
Mp169~171℃;EIMS?m/z:345[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.33(s,1H),8.81(s,1H),7.40(dd,2H),7.22(dd,2H),6.90(dd,2H),6.70(dd,2H),5.59(s,1H),5.37(s,1H),4.10(q,2H),3.30(s,3H),3.09(s,2H),2.68~2.58(m,2H),1.02(t,3H)。
The 3-(4-nitrobenzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (68):
Mp175~177℃;EIMS?m/z:346[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.43(s,1H),8.85(s,1H),8.25(dd,2H),7.55(dd,2H),7.38(dd,2H),6.63(dd,2H),5.60(s,1H),5.31(s,1H),3.31(s,3H),3.09(s,2H),2.68~2.57(m,2H)。
3-(4-N, the N-dimethoxy-benzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (69):
Mp163~165℃;EIMS?m/z:344[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.45(s,1H),8.91(s,1H),7.37(dd,2H),7.11(dd,2H),6.73(dd,2H),6.66(dd,2H),5.56(s,1H),5.36(s,1H),3.33(s,3H),3.15(s,2H),3.09(s,6H),2.72~2.58(m,2H)。
3-(4-N, N-diethoxy benzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (70):
Mp203~205℃;EIMS?m/z:372[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.25(s,1H),8.77(s,1H),7.37(dd,2H),7.16(dd,2H),6.73(dd,2H),6.65(dd,2H),5.58(s,1H),5.30(s,1H),3.41(q,4H),3.27(s,3H),3.12(s,2H),2.62~2.51(m,2H),1.05(t,6H)。
3-(4-cyano group benzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (71):
Mp143~145℃;EIMS?m/z:326[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.35(s,1H),8.72(s,1H),7.55(dd,2H),7.47(dd,2H),7.35(dd,2H),6.68(dd,2H),5.64(s,1H),5.36(s,1H),3.34(s,3H),3.14(s,2H),2.70~2.57(m,2H)。
The 3-(4-methyl-benzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (72):
Mp134~133℃5;EIMS?m/z:315[M
+];
1H?NMR(400MHz,CDCl
3,δ)10.47(s,1H),8.79(s,1H),7.38(dd,2H),7.18(dd,2H),6.99(dd,2H),6.70(dd,2H),5.63(s,1H),5.38(s,1H),3.31(s,3H),3.13(s,2H),2.70~2.57(m,2H),2.04(s,3H)。
The 3-(4-Ethylbenzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (73):
Mp146~148℃;EIMS?m/z:329[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.28(s,1H),8.72(s,1H),7.40(dd,2H),7.07(dd,4H),6.67(dd,2H),5.61(s,1H),5.36(s,1H),3.34(s,3H),3.12(s,2H),2.62~2.49(m,2H),2.30(q,2H),1.05(t,3H)。
The 3-(3-luorobenzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (74):
Mp179~181℃;EIMS?m/z:319[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.33(s,1H),8.914(s,1H),7.39(dd,2H),7.36(t,1H),7.06(dd,2H),6.87(s,1H),6.69(dd,2H),5.54(s,1H),5.31(s,1H),3.31(s,3H),3.11(s,2H),2.56~2.47(m,2H)。
The 3-(3-chlorobenzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (75):
Mp137~139℃;EIMS?m/z:335[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.35(s,1H),8.76(s,1H),7.49(s,1H),7.39(dd,2H),7.35~7.32(m,2H),7.15(dd,1H),6.67(dd,2H),5.56(s,1H),5.33(s,1H),3.29(s,3H),3.12(s,2H),2.63~2.50(m,2H)。
The 3-(3-bromobenzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (76):
Mp213~214℃;EIMS?m/z:379[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.27(s,1H),8.79(s,1H),7.46~7.41(m,2H),7.36(dd,2H),7.30~7.21(m,2H),6.65(dd,2H),5.54(s,1H),5.34(s,1H),3.32(s,3H),3.10(s,2H),2.61~2.51(m,2H)。
The 3-(3-methoxy-benzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (77):
Mp148~149℃;EIMS?m/z:331[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.18(s,1H),8.69(s,1H),7.36(dd,2H),7.29(t,1H),7.09(s,1H),6.86(dd,1H),6.81(dd,1H),6.67(dd,2H),5.50(s,1H),5.31(s,1H),3.83(s,3H),3.30(s,3H),3.09(s,2H),2.62~2.48(m,2H)。
The 3-(3-ethoxy benzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (78):
Mp169~171℃;EIMS?m/z:345[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.37(s,1H),8.79(s,1H),7.38(dd,2H),7.30(t,1H),7.06(s,1H),6.86~6.80(m,2H),6.69(dd,2H),5.54(s,1H),5.33(s,1H),4.10(q,2H),3.33(s,3H),3.12(s,2H),2.67~2.59(m,2H),1.02(t,3H)。
The 3-(3-nitrobenzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (79):
Mp176~179℃;EIMS?m/z:346[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.21(s,1H),8.89(s,1H),8.18(s,1H),8.06(dd,1H),7.70~7.65(m,2H),7.35(dd,2H),6.62(dd,2H),5.57(s,1H),5.34(s,1H),3.32(s,3H),3.13(s,2H),2.66~2.52(m,2H)。
3-(3-N, the N-dimethyl benzyl)-the 3-(4-hydroxy phenyl)-3-hydroxyl propionyl-N-methyl hydroxamic acid (80):
Mp165~166℃;EIMS?m/z:344[M
+];
1H?NMR(400MHz,CDCl
3,δ):10.44(s,1H),8.72(s,1H),7.38(dd,2H),7.26(t,1H),6.76(dd,1H),6.71(s,1H),6.68(dd,2H),6.67(dd,1H),5.58(s,1H),5.37(s,1H),3.32(s,3H),3.15(s,2H),3.06(s,6H),2.70~2.52(m,2H)。