CN102234295B - Platinum (II) complex adopting N-alkyl substituted trans 1,2-diaminocyclohexane as ligand and preparation method thereof - Google Patents

Platinum (II) complex adopting N-alkyl substituted trans 1,2-diaminocyclohexane as ligand and preparation method thereof Download PDF

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CN102234295B
CN102234295B CN201010162020.0A CN201010162020A CN102234295B CN 102234295 B CN102234295 B CN 102234295B CN 201010162020 A CN201010162020 A CN 201010162020A CN 102234295 B CN102234295 B CN 102234295B
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苟少华
孙艳艳
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Southeast University
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Abstract

The invention relates to a platinum (II) complex adopting N-alkyl substituted trans 1,2-diaminocyclohexane as ligand and a preparation method thereof. A structural formula of the Platinum (II) complex adopting N-alkyl substituted trans 1,2-diaminocyclohexane as ligand is represented as a formula (1a) and a formula (1b), wherein Y is organic carboxylic acid anion, Z is organic dicarboxylic acid dianion, and R is C3-8 alkyl. The preparation method comprises the following steps: a compound represented by formula (3) is obtained wherein trans 1,2- diaminocyclohexane protected by single Boc is an initiator, and the compound reacts with potassium tetrahaloplatinate to obtain a compound represented by a formula (2); the compound represented by the formula (2) is subjected to a reaction to generate the compound represented by the formula (1a) or the formula (1b). The platinum (II) complex represented by the formula (1a) and the formula (1b) has obvious inhibition effect to human body liver cancer cell HepG-2, human body breast cancer cell MCF-7, human body lung cancer cell A549 and human body colorectal carcinoma cell HCT-116.

Description

It is trans 1 that the N-alkyl replaces, the platinum that the 2-cyclohexanediamine is part (II) title complex and preparation method thereof
Technical field
The present invention relates to the N-alkyl replace trans 1, the platinum that the 2-cyclohexanediamine is part (II) title complex and preparation method thereof.
Technical background
Nearest more than ten years, based on to the understanding in depth of platinum complex resistance mechanism, the research of relevant platinum medicine no longer is confined to the classical structure activity relationship of cis-platinum, and people start to explore new approach and research and develop novel platinum medicine.Designed so far the multiple non-classical platinum medicine that is different from original structure activity relationship, one of them has sterically hindered platinum complex exactly.Such representational compound is exactly to have entered the ZD0473 of clinical trial at present, and cis-dichloro ammonia (2-picoline) closes platinum (II).Trans 1, the 2-cyclohexanediamine, its chiral isomer [1R particularly, 2R-(-)-1, the 2-cyclohexanediamine, as the carrier aglucon, be often used in the antitumor platinum complexes of preparation, typical medicine oxaliplatin (Oxaplatin) and the Miboplatin (Miroplatin) of compound as gone on the market.The researchist wishes to be modified on the basic structure of 2-cyclohexanediamine trans 1, thereby using, this prepares the platinum complex of novel texture as part, further filters out efficient, low toxicity, water-soluble or fat-soluble good, drug candidate that selectivity is high.
Summary of the invention
Main purpose of the present invention be to provide the N-alkyl replace trans 1, the platinum complex that the 2-cyclohexanediamine is part.
The present invention also aims to provide above-mentioned N-alkyl to replace trans 1, the preparation method of the platinum complex that the 2-cyclohexanediamine is part.
It is trans 1 that a kind of N-alkyl replaces, the platinum that the 2-cyclohexanediamine is part (II) title complex, and structure is suc as formula shown in (1a) and formula (1b);
Figure GDA0000021089220000011
Formula (1a) formula (1b)
Y in formula (1a) is the organic carboxyl acid negatively charged ion, and the Z in formula (1b) is the organic dicarboxylic acid dianion; In formula (1a) and formula (1b), R is C 3-C 8alkyl, asterisk * represents chiral carbon atom, shown in formula (1a) and formula (1b), compound is to have 1R, 2R-configuration and/or 1S, the chiral isomer of 2S-configuration.Above-mentioned C 3-C 8alkyl can be chain-like alkyl or cyclic alkyl.
As preferred version, the Y in formula (1a) is C 1-C 16alkoxy acetic acid root or C 2-C 18the alkyl carboxylic acid root; Z in formula (1b) is the organic dicarboxylic acid dianion, comprise oxalate, malonate, 1,1-cyclobutanedicarboxylic acid, 3-hydroxyl-1,1-cyclobutanedicarboxylic acid, 3-alkoxyl group-1,1-cyclobutanedicarboxylic acid, 3-azepine-1, the 3-azepine-1 that 1-cyclobutanedicarboxylic acid, N-replace, 1-cyclobutanedicarboxylic acid or camphor two acid groups; The 3-azepine-1 that N-replaces, in the 1-cyclobutanedicarboxylic acid, substituting group is benzyl, C 1-C 4benzyl, C that alkyl replaces 1-C 4the benzyl that the benzyl that alkoxyl group replaces or halogen atom replace, wherein the substituting group on benzyl can be in arbitrary position of aromatic ring.
As preferred version, it is trans 1 that a kind of N-alkyl replaces, and the structure of the platinum that the 2-cyclohexanediamine is part (II) title complex is suc as formula shown in (1b), and wherein R is butyl, cyclopentyl, and Z is oxalate, malonate, 1, the 1-cyclobutanedicarboxylic acid; Preferred structure is: R is sec-butyl, cyclopentyl, and Z is oxalate, malonate, 1, the 1-cyclobutanedicarboxylic acid.
As another kind of preferred version, it is trans 1 that the N-alkyl replaces, and the structure of the platinum that the 2-cyclohexanediamine is part (II) title complex is suc as formula shown in (1a) or formula (1b), and wherein R is propyl group, and Y is C 2-C 4the alkoxy acetic acid root, Z is the 3-azepine-1 that N-replaces, the 1-cyclobutanedicarboxylic acid, the 3-azepine-1 that N-replaces, in the 1-cyclobutanedicarboxylic acid, the benzyl that the benzyl that substituting group is benzyl, methyl substituted benzyl, methoxy substitution or halogen atom replace; Preferred structure is: R is sec.-propyl, Y is isopropoxy acetate moiety or tert.-butoxy acetate moiety, Z is the 3-azepine-1 that N-replaces, the 1-cyclobutanedicarboxylic acid, the 3-azepine-1 that N-replaces, in the 1-cyclobutanedicarboxylic acid, the benzyl that the benzyl that substituting group is methyl substituted benzyl, methoxy substitution or halogen atom replace.
Trans 1 of a kind of N-alkyl replacement, the platinum that the 2-cyclohexanediamine is part (II) title complex, as trans 1 of preparation aforementioned formula (1a) and the described N-alkyl replacement of formula (1b), the intermediate of the platinum that the 2-cyclohexanediamine is part (II) title complex, structure is suc as formula shown in (2):
Figure GDA0000021089220000021
Formula (2)
Wherein, Hal represents Cl -, Br -or I -, asterisk * represents chiral carbon atom, the described compound of formula (2) is to have 1R, 2R-configuration and/or 1S, the chiral isomer of 2S-configuration.
Trans 1 of described N-alkyl replacement, the preparation method of the platinum that the 2-cyclohexanediamine is part (II) title complex comprises the following steps: with trans 1 of single Boc protection, the 2-cyclohexanediamine is initiator (D.W.Lee, H.-J.Ha, W.K.Lee, SyntheticCommunications, 2007,37,737-742) obtain the compound of formula (3) representative by following synthetic route I, then close the sour nak response of platinum (II) with compound shown in formula (3) and four halogen, obtain the described compound of formula (2);
Formula (3)
Described single Boc protection trans 1, the 2-cyclohexanediamine is meaned by formula (4)
Figure GDA0000021089220000032
Formula (4)
Wherein Boc represents tertbutyloxycarbonyl;
Route I is as follows:
Figure GDA0000021089220000033
In route I, R is as the described C of claim 1-6 any one 3-C 8alkyl, described alkanoic is C 3-C 8chain-like alkyl aldehyde, described aliphatic ketone is C 3-C 8chain or cyclic alkyl ketone, when R is chain-like alkyl, use chain-like alkyl aldehyde or chain-like alkyl ketone; When using chain-like alkyl aldehyde, R1 is C 2-C 7alkyl, R2 is hydrogen atom; When using chain-like alkyl ketone, R1 and R2 are respectively C 1-C 6chain-like alkyl, both carbonatoms sums should be less than 7 or equal 7; When R is cyclic alkyl, use cyclic alkyl ketone, wherein X is C 2-C 7alkylidene group.The preparation method of the described compound of above-mentioned formula (3) is open in first to file (CN200910027237.8).Boc protection trans 1, when the 2-cyclohexanediamine react with aldehydes or ketones, the formation Schiff's base that first dewaters, one can be after separation and purification, for next step reaction.But be not suitable for while for reactant, being rudimentary alkanoic or aliphatic ketone, because the boiling point of these reactants is lower, do not have suitable organic solvent to dewater, do not make again aldehydes or ketones steam with steam; In addition corresponding Schiff's base one be liquid, also be difficult for purifying.Therefore trans 1 for the Boc protection, 2-cyclohexanediamine and alkanoic or alkenolic the reaction, in route I, the Schiff's base of the first step gained can separate usually, directly enters next step reaction.
Trans 1 of the N-alkyl replacement prepared according to route I method, the 2-cyclohexanediamine mainly obtains with the form of its hydrochloride, hydrochloride and quantitative alkali are acted in water as sodium hydroxide or potassium hydroxide, can obtain corresponding N-mono-substituted trans 1, the 2-cyclohexanediamine.
Close the sour nak response of platinum (II) with compound shown in formula (3) and four halogen, the concrete grammar that obtains the described compound of formula (2) can be: four halogen are closed to the sour potassium of platinum (II) (6.00mmol) and the N-alkyl replaces trans 1,2-cyclohexanediamine (6.00mmol) is mixed in 50mL water, the room temperature lucifuge stirs spends the night, there are a large amount of yellow mercury oxides to generate, filter difference water, dehydrated alcohol, ether repetitive scrubbing, the dry yellow powder that obtains.
The described compound of formula (2) can be according to compound described in known reactions production (1a) or formula (1b), as following any method, method 1: under the lucifuge condition, in the aqueous solution, remove the halogen ion in formula (2) by silver ions, then react platinum (II) title complex shown in production (1a) with the alkali metal salts or ammonium salt of the defined Y of formula (1a), or react platinum (II) title complex shown in production (1b) with the alkali metal salts or ammonium salt of the defined Z of formula (1b); Method 2: under the lucifuge condition, in the aqueous solution, the silver salt of the defined Y of through type (1a) reacts platinum (II) title complex shown in production (1a) with platinum (II) title complex shown in formula (2), or the silver salt of the defined Z of through type (1b) reacts platinum (II) title complex shown in production (1b) with platinum (II) title complex shown in formula (2).
Concrete steps are as follows:
Method 1:
By the dihalo-shown in formula (2), [the N-alkyl replaces trans 1, the 2-cyclohexanediamine] close platinum (II) and (2.90mmol) be suspended in 100mL water, add Silver Nitrate (5.80mmol), after 60 ℃ of lower lucifuges are reacted 24-36 hour, the diatomite aided filter.The 30mL aqueous solution that adds carboxylic acid sodium (5.80mmol) or Sodium Dicarboxylic Acid (2.90mmol) in filtrate, then in 80 ℃ of lower lucifuge reaction 24-48 hour, that solution is concentrated, separate out a large amount of solids.Filter, water, ethanol, ether repetitive scrubbing, vacuum-drying, obtain target product.
Method 2:
By the dihalo-shown in formula (2), [the N-alkyl replaces trans 1, the 2-cyclohexanediamine] close platinum (II) and (2.90mmol) be suspended in 100mL water with silver carboxylate (2.90mmol) or carboxylic acid two silver medals (1.45mmol) of new system, in 70 ℃ of lucifuge reaction 24-48 hour, then use the diatomite aided filter, filtrate is concentrated, separate out a large amount of solids, filter, vacuum-drying, obtain target product.
The compound prepared by the inventive method infrared spectra, nucleus magnetic hydrogen spectrum and mass spectrum has been determined the molecular structure of compound.
Shown in formula of the present invention (1a) and formula (1b), platinum (II) title complex has obvious restraining effect to human hepatoma cell HepG-2, human breast cancer cell MCF-7, Human Lung Cancer cell A549 and human colon cancer cell HCT-116, related compound and contrast to the restraining effect of different carcinoma cell in Table 1.
Specific embodiment
The present invention obtains further instruction by following embodiment, but these explanations are not restriction the present invention.Except particularly pointing out, it is trans 1 that the alkyl of N-described in embodiment replaces, and the configuration of two chiral carbon atoms of 2-cyclohexanediamine part is respectively 1R and 2R; In the nucleus magnetic hydrogen spectrum data, it is trans 1 that DACH represents, the skeleton of 2-cyclohexanediamine.
Embodiment 1. compound 1a (C 16h 32n 2o 6pt) preparation
Figure GDA0000021089220000051
By method 1 preparation, buff powder, productive rate: 51%.IR(KBr,cm -1):3113(br),2935,2871,1616,1450,1385,1198,1116,988,942,713,595; 1H-NMR(d 6-DMSO/TMS,ppm):δ0.90(t,3H,CH 2CH 3),δ2.06-1.02(m,12H,CH 2?of?DACH?and?CH 3CH 2CH 2),δ2.14(m,2H,NHCH 2),δ2.50-2.34(m,2H,NHCH),δ3.23(s,6H,OCH 3),δ3.81(s,4H,COCH 2O),δ5.11(m,1H,CH 2NH),δ6.10-5.99(dd,2H,CHNH 2);ESI-MS:m/z[M+Na] +=566(100%)。
Embodiment 2. compound 2a (C 22h 44n 2o 6pt) preparation
Figure GDA0000021089220000052
By method 1 preparation, buff powder, 55%.IR(KBr,cm -1):3461(br),3124,2971,2935,2870,1624,1456,1385,1310,1192,1108,892,837,712; 1H-NMR(d 6-DMSO/TMS,ppm):δ0.90(t,3H,CH 2CH 3),δ1.11(S,18H,2C(CH 3) 3),δ1.95-0.98(m,12H,CH 2?of?DACH?and?CH 3CH 2CH 2),δ2.15(m,2H,NHCH 2),δ2.62-2.42(m,2H,NHCH),δ3.85(s,4H,COCH 2O),δ5.95(m,1H,CH 2NH),δ6.69-6.17(dd,2H,CHNH 2);ESI-MS?m/z:[M+Na] +=650(100%)。
Embodiment 3. compound 3a (C 23h 35n 3o 5pt) preparation
Figure GDA0000021089220000061
By method 2 preparations, buff powder, productive rate: 65%.IR(KBr,cm -1):3417(br),3078,2936,2865,1627,1495,1458,1380,1250,1048,1025,758; 1H?NMR(d 6-DMSO/TMS,ppm):δ0.90(t,3H,CH 2CH 3),δ0.98-1.96(m,12H,CH 2?of?DACH?and?CH 3CH 2CH 2),δ2.27(m,2H,NHCH 2),δ2.44-2.62(m,2H,NHCH),δ3.43(m,2H,CH 2Ph),δ3.59(s,3H,PhOCH 3),δ3.85-4.08(m,4H,N(CH 2) 2),δ5.74(m,1H,CH 2NH),δ6.21-6.26(dd,2H,CHNH 2),δ6.88-7.21(m,4H,Ar-H);ESI-MS:m/z[M+H] +=629(100%)。
Embodiment 4. compound 4a (C 22h 32clN 3o 4pt) preparation
By method 2 preparations, buff powder, productive rate: 55%.IR(KBr,cm -1):3403(br),3189,2936,2861,1591,1471,1443,1358,1210,1183,1049,910,871,753,698,591; 1H-NMR(d 6-DMSO/TMS,ppm):δ0.92(t,3H,CH 2CH 3),δ1.97-0.95(m,12H,CH 2?of?DACH?and?CH 3CH 2CH 2),δ2.32(m,2H,NHCH 2),δ2.75-2.50(m,2H,NHCH),δ3.63(s,2H,CH 2Ph),δ3.94-3.78(m,4H,N(CH 2) 2),δ5.20(m,1H,CH 2NH),δ6.29-5.93(dd,2H,CHNH 2),δ7.44-7.26(m,4H,Ar-H);ESI-MS?m/z:[M+H] +=634(100%)。
Embodiment 5. compound 5a (C 22h 32clN 3o 4pt) preparation
Figure GDA0000021089220000063
By method 2 preparations, buff powder, productive rate: 54%.IR(KBr,cm -1):3403(br),3092,2937,2862,1596,1473,1455,1379,1210,1181,1130,1078,866,785,733,682,525; 1H-NMR(d 6-DMSO/TMS,ppm):δ0.90(t,3H,CH 2CH 3),δ2.06-1.02(m,12H,CH 2?of?DACH?and?CH 3CH 2CH 2),δ2.27(m,2H,NHCH 2),δ2.75-2.50(m,2H,NHCH),δ3.60(s,2H,CH 2Ph),δ3.86-3.77(m,4H,N(CH 2) 2),δ5.19(m,1H,CH 2NH),δ6.28-5.91(dd,2H,CHNH 2),δ7.52-7.26(m,4H,Ar-H);ESI-MS?m/z:[M+H] +=634(100%)。
Embodiment 6. compound 6a (C 22h 32clN 3o 4pt) preparation
Figure GDA0000021089220000071
By method 2 preparations, buff powder, productive rate: 59%.IR(KBr,cm -1):3403(br),3094,2936,2864,1615,1491,1451,1382,1282,1210,1177,1091,1015,910,855,811,773,728,699,591;
1H-NMR(d 6-DMSO/TMS,ppm):δ0.90(t,3H,CH 2CH 3),δ2.08-1.03(m,12H,CH 2?of?DACHand?CH 3CH 3CH 2),δ2.27(m,2H,NHCH 2),δ2.84-2.50(m,2H,NHCH),δ3.45(S,2H,CH 2Ph),δ4.20-3.71(m,4H,N(CH 2) 2),δ5.75(m,1H,CH 2NH),δ6.64-6.32(dd,2H,CHNH 2),δ7.51-7.25(m,4H,Ar-H);ESI-MS?m/z:[M+H] +=634(100%)。
Embodiment 7. compound 1b (C 19h 38n 2o 6pt) preparation
By method 1 preparation, buff powder, productive rate: 56%.IR(KBr,cm -1):3448(br),3134,2972,2936,2867,1648,1384,1177,1126,1021,934,828,715,607; 1H-NMR(d 6-DMSO/TMS,ppm):δ1.41-1.06(m,18H,CH(CH 3) 2and?2CH(CH 3) 2),δ2.25-1.06(m,9H,CH 2?of?DACH?and?CH(CH 3) 2),δ2.94-2.49(m,2H,NHCH),δ3.65(m,2H,2OCH(CH 3) 2),δ3.97(m,4H,(CO 2) 2CH 2O),δ5.42(m,1H,CH 2NH),δ5.65(br,2H,CH 2NH 2);ESI-MS?m/z:[M+Na] +=608(100%)。
Embodiment 8. compound 2b (C 21h 42n 2o 6pt) preparation
Figure GDA0000021089220000081
By method 1 preparation, buff powder, productive rate: 59%.IR(KBr,cm -1):3438(br),3150,2973,2937,2869,1616,1385,1252,1192,1099,916,892,828,713,613,529; 1H-NMR(d 6-DMSO/TMS,ppm):δ1.40-1.07(m,24H,CH(CH 3) 2and?2C(CH 3) 3),δ2.24-0.93(m,9H,CH 2?of?DACH?and?CH(CH 3) 2),δ2.93-2.49(m,2H,NHCH),δ3.89-3.58(m,4H,(CO 2) 2CH 2O),δ5.38(m,1H,CH 2NH),δ5.59(br,2H,CH 2NH 2);ESI-MS?m/z:[M+Na] +=636(100%)。
Embodiment 9. compound 3b (C 22h 33n 3o 5pt) preparation
By method 2 preparations, white powder, productive rate: 54%.IR(KBr,cm -1):3417(br),3122,2937,2863,1622,1494,1457,1376,1250,1176,1024; 1H?NMR(d 6-DMSO/TMS,ppm):δ1.04-2.10(m,15H,CH 2?ofDACH?and?CH(CH 3) 2),δ1.83-2.50(m,4H,NHCH?and?NHCH 2),δ3.45(m,2H,CH 2Ph),δ3.78(s,3H,PhOCH 3),δ3.43-3.92(m,4H,N(CH 2) 2),δ5.45(m,1H,CH 2NH),δ5.87-6.20(m,2H,CHNH 2),δ6.86-7.45(m,4H,Ar-H);ESI-MS:m/z[M+H] +=615(100%)。
Embodiment 10. compound 4b (C 22h 33n 3o 5pt) preparation
Figure GDA0000021089220000083
By method 2 preparations, white powder, productive rate: 51%.IR(KBr,cm -1):3416(br),3122,2938,2864,1602,1491,1455,1390,1266,1178,1045; 1H?NMR(d 6-DMSO/TMS,ppm):δ1.03-2.12(m,15H,CH 2?ofDACH?and?CH(CH 3) 2),δ1.92-2.51(m,4H,NHCH?and?NHCH 2),δ3.45(m,2H,CH 2Ph),δ3.79(s,3H,PhOCH 3),δ3.45-4.14(m,4H,N(CH 2) 2),δ5.50(m,1H,CH 2NH),δ5.89-6.18(m,2H,CHNH 2),δ6.76-7.41(m,4H,Ar-H);ESI-MS:m/z[M+Na] +=637(50%)。
Embodiment 11. compound 5b (C 22h 33n 3o 4pt) preparation
By method 2 preparations, buff powder, productive rate: 60%.IR(KBr,cm -1):3417(br),2939,2863,1616,1455,1389,1176,1079,957; 1HNMR(d 6-DMSO/TMS,ppm):δ1.03-2.10(m,15H,CH 2?of?DACH?andCH(CH 3) 2),δ1.82-2.30(m,4H,NHCH?and?NHCH 2),δ2.27(s,3H,PhCH 3),δ3.43(m,2H,CH 2Ph),δ3.61-4.08(m,4H,N(CH 2) 2),δ5.30(m,1H,CH 2NH),δ5.89-6.35(m,2H,CHNH 2),δ7.10-7.32(m,4H,Ar-H);ESI-MS:m/z[M+H] +=599(100%)。
Embodiment 12. compound 6b (C 22h 33n 3o 4pt) preparation
By method 2 preparations, buff powder, productive rate: 59%.IR(KBr,cm -1):3417(br),3121,2938,2864,1609,1449,1390,1180,1071,916; 1H?NMR(d 6-DMSO/TMS,ppm):δ1.03-1.93(m,15H,CH 2?ofDACH?and?CH(CH 3) 2),δ1.93-2.52(m,4H,NHCH?and?NHCH 2),δ2.27(s,3H,PhCH 3),δ3.42(m,2H,CH 2Ph),δ3.42-4.14(m,4H,N(CH 2) 2),δ5.30(m,1H,CH 2NH),δ5.89-6.19(m,2H,CHNH 2),δ7.00-7.34(m,4H,Ar-H);ESI-MS:m/z[M+Na] +=621(100%)。
Embodiment 13. compound 1c (C 12h 22n 2o 4pt) preparation
Figure GDA0000021089220000093
By method 2 preparations, buff powder, productive rate: 58%.IR(KBr,cm -1):3446(br),3199,3103,2938,2864,1703,1672,1452,1385,1249,1173,1068,1032; 1H?NMR(d 6-DMSO/TMS,ppm):δ0.84-1.17(m,6H,CH 3CHCH 2CH 3),δ1.18-2.25(m,10H,CH 2ofDACH?and?CHCH 2CH 3),δ2.70-3.45(m,3H,NHCH?and?NH 2CH),δ5.31(d,1H,CHNH),δ5.85-6.13(m,2H,CHNH 2);ESI-MS:m/z[M+Na] +=476(100%)。
Embodiment 14. compound 2c (C 13h 24n 2o 4pt) preparation
By method 2 preparations, buff powder, productive rate: 63%.IR(KBr,cm -1):3434(br),3167,3103,2938,2865,1647,1451,1385,1255,1212,1070,1017; 1H?NMR(d 6-DMSO/TMS,ppm):δ0.85-1.08(m,6H,CH 3CHCH 2CH 3),δ1.23-2.14(m,10H,CH 2?of?DACH?and?CHCH 2CH 3),δ2.29-3.48(m,3H,NHCH?and?NH 2CH),δ3.22(m,2H,CH 2(CO) 2),δ5.21-5.94(m,3H,CH 2NH?and?CHNH 2);ESI-MS:m/z[M+Na] +=490(100%)。
Embodiment 15. compound 3c (C 16h 28n 2o 4pt) preparation
Figure GDA0000021089220000102
By method 2 preparations, buff powder, productive rate: 59%.IR(KBr,cm -1):3444(br),3173,3108,2940,2864,1646,1455,1364,1117,1069,1030; 1H?NMR(d 6-DMSO/TMS,ppm):δ0.83-1.21(m,6H,CH 3CHCH 2CH 3),δ1.23-2.68(m,16H,CH 2?of?DACH?and?CHCH 2CH 3?and?cyclobutyl),δ2.63-2.68(m,2H,NHCH),δ3.43(m,1H,NH 2CH),δ4.31-5.86(m,3H,CH 2NH?and?CHNH 2);ESI-MS:m/z[M+Na] +=530(100%)。
Embodiment 16. compound 1d (C 13h 24n 2o 4pt) preparation
By method 2 preparations, buff powder, productive rate: 65%.IR(KBr,cm -1):3434(br),3122,2941,2863,1647,1453,1363,1251,1119,1071,1023,906,777; 1H?NMR(d 6-DMSO/TMS,ppm):δ0.89-1.09(m,6H,CH 2CH(CH 3) 2),δ1.12-2.15(m,9H,CH(CH 3) 2and?CH 2of?DACH),δ2.12-2.44(m,4H,NHCH 2?and?NHCH?and?NH 2CH),δ3.12-3.23(m,2H,CH 2(CO) 2),δ5.31-6.12(m,3H,CH 2NHand?CHNH 2);ESI-MS:m/z[M+Na] +=490(100%)。
Embodiment 17. compound 2d (C 18h 36n 2o 6pt) preparation
Figure GDA0000021089220000111
By method 1 preparation, buff powder, productive rate: 52%.IR(KBr,cm -1):3425(br),3159,3097,2942,2867,1644,1452,1385,1169,1092,959,932,741,592; 1H-NMR(D 2O/TMS,ppm):δ1.10-0.87(m,12H,CH(CH 3) 2?and?2CH 2CH 3),δ2.27-1.10(m,9H,CH 2?of?DACH?and(CH 3) 2CH),δ2.49(m,2H,NHCH 2),δ3.90-3.42(m,12H,NHCH?and?NHCH 2?and?CO 2CH 2OCH 2CH 3);ESI-MS?m/z:[M+H] +=570(100%)。
Annotate: N-replaces trans 1, and 2-cyclohexanediamine part is racemic modification.
Embodiment 18. compound 3d (C 22h 44n 2o 6pt) preparation
Figure GDA0000021089220000112
By method 1 preparation, buff powder, productive rate 58%.IR(KBr,cm -1):3425(br),3159,3097,2942,2867,1644,1452,1385,1169,1092,959,932,741,592; 1H-NMR(D 2O/TMS,ppm):δ0.88(t,6H,2CH 2CH 3),δ1.28(dd,6H,CH(CH 3) 2),δ2.27-1.06(m,17H,CH 2of?DACH?and(CH 3) 2CH?and2CH 3CH 2CH 2),δ2.49(m,2H,NHCH 2),δ3.39(m,6H,2OCH 2and?NHCH 2);ESI-MS?m/z:[M+H] +=626(100%)。
Annotate: N-replaces trans 1, and 2-cyclohexanediamine part is racemic modification.
Embodiment 19. compound 1e (C 24h 37n 3o 5pt) preparation
Figure GDA0000021089220000121
By method 2 preparations, buff powder, productive rate: 69%.IR(KBr,cm -1):3422(br),3263,3129,2940,2864,1611,1515,1462,1390,1345,1251,1180,1033,823; 1H?NMR(d 6-DMSO/TMS,ppm):δ1.03-1.08(m,9H,C(CH 3) 3),δ1.27-1.55(m,8H,CH 2?of?DACH),δ1.95(m,4H,NHCH 2?andNHCH?and?NH 2CH),δ3.41-3.45(m,4H,CH 2NCH 2),δ3.52(s,3H,PhOCH 3),δ3.71-3.77(m,2H,NCH 2Ar),δ6.83-7.17(m,4H,ArH);ESI-MS:[M+H] +=643(100%)。
Annotate: N-replaces trans 1, and the configuration of two chiral carbon atoms of 2-cyclohexanediamine part is respectively 1S and 2S.
Embodiment 20. compound 2e (C 24h 37n 3o 4pt) preparation
Figure GDA0000021089220000122
By method 2 preparations, buff powder, productive rate: 60%.IR(KBr,cm -1):3420(br),3121,2940,2863,1615,1518,1455,1387,1339,1209,1168,1036,815; 1HNMR(d 6-DMSO/TMS,ppm):δ1.02-1.11(m,9H,C(CH 3) 3),δ1.21-1.56(m,8H,CH 2?of?DACH),δ1.98-2.27(m,4H,NHCH 2?and?NHCH?andNH 2CH),δ2.32(s,3H,PhCH 3),δ3.42-3.47(m,4H,CH 2NCH 2),δ3.55(m,2H,NCH 2Ar),δ7.09-7.25(m,4H,ArH);ESI-MS:m/z[M+H] +=627(100%)。
Annotate: N-replaces trans 1, and the configuration of two chiral carbon atoms of 2-cyclohexanediamine part is respectively 1S and 2S.
Embodiment 21. compound 1f (C 13h 22n 2o 4pt) preparation
Figure GDA0000021089220000131
By method 2 preparations, buff powder, productive rate: 61%.IR(KBr,cm -1):3445(br),3120,3117,2943,2866,1704,1672,1450,1384,1312,1242,1071,1027; 1H?NMR(d 6-DMSO/TMS,ppm):δ1.04-1.23(m,4H,CH 2?of?DACH),δ1.39-1.52(m,4H,CH 2?of?cyclopentyl),δ1.61-1.63(m,1H,CH 2?ofDACH),δ1.67-1.72(m,1H,CH 2?of?cyclopentyl),δ1.82-2.22(m,6H,CH 2?of?DACH?andcyclopentyl),δ2.17-2.22(m,1H,CHNH?of?DACH),δ2.31-2.39(m,1H,CHNH?of?DACH),δ3.11-3.15(p,1H,CHNH?of?cyclopentyl);ESI-MS:m/z[M+Na] +=488(50%)。
Embodiment 22. compound 2f (C 14h 24n 2o 4pt) preparation
Figure GDA0000021089220000132
By method 2 preparations, buff powder, productive rate: 59%.IR(KBr,cm -1):3436(br),3110,3098,2942,2866,1637,1449,1384,1307,1177,1072,1028; 1H?NMR(d 6-DMSO/TMS,ppm):δ1.03-1.20(m,4H,CH 2?of?DACH),δ1.36-1.51(m,4H,CH 2?of?cyclopentyl),δ1.62-2.24(m,8H,CH 2?of?DACH?andcyclopentyl),δ2.15-2.24(m,1H,CHNH?of?DACH),δ2.37-2.44(m,1H,CHNH?of?DACH),δ3.09-3.18(m,2H,COCH 2CO),δ3.25-3.30(p,1H,CNHH?of?cyclopentyl);ESI-MS:m/z[M+Na] +=502(65%)。
Embodiment 23. compound 3f (C 17h 28n 2o 4pt) preparation
Figure GDA0000021089220000133
By method 2 preparations, buff powder, productive rate: 50%.IR(KBr,cm -1):3455(br),3142,2944,2866,1647,1455,1365,1252,1117,1071,1026; 1H?NMR(d 6-DMSO/TMS,ppm):δ1.00-1.21(m,4H,CH 2?ofDACH),δ1.37-1.52(m,4H,CH 2?of?cyclopentyl),δ1.62-1.73(m,2H,CH 2?of?DACH),δ1.62-1.73(m,2H,CH 2?of?cyclobutyl),δ1.77-2.29(m,6H,CH 2?of?DACH?and?cyclopentyl),δ2.15-2.29(m,1H,CHNH?of?DACH),δ2.35--2.43(m,1H,CHNH?of?DACH),δ2.60-2.81(m,4H,CH 2?of?cyclobutyl),δ3.12-3.15(p,1H,CNHH?ofcyclopentyl);ESI-MS:m/z[M+K] +=558(85%),[M+Na] +=542(80%)。
Embodiment 24. compound 4f (C 24h 35n 3o 5pt) preparation
Figure GDA0000021089220000141
By method 2 preparations, buff powder, productive rate: 54%.IR(KBr,cm -1):3416(br),3082,2941,2865,1603,1494,1450,1376,1290,1248,1176,1026; 1H?NMR(d 6-DMSO/TMS,ppm):δ1.03-1.48(m,12H,CH 2?of?DACH?and?cyclopentyl),δ1.63-2.17(m,4H,CH 2?of?DACH?and?cyclopentyl),δ2.33-2.30(m,3H,CH?of?DACH?and?cyclopentyl),δ3.36-3.67(m,4H,CH 2NCH 2),δ3.50(s,3H,PhOCH 3),δ3.79-3.90(m,2H,NCH 2Ar),δ7.18-7.27(m,4H,ArH);ESI-MS:m/z[M+H] +=641(100%)。
Embodiment 25. compound 1g (C 18h 30n 2o 5pt) preparation
By method 2 preparations, white powder, productive rate: 54%.IR(KBr,cm -1):3427(br),3204,2935,2858,1641,14530,1374,1240,1150,1072,1045,898; 1H?NMR(d 6-DMSO/TMS,ppm):δ1.03-2.09(m,18H,CH 2?of?DACH?and?cyclohexyl),δ2.23-2.62(m,4H,CH 2?of?cyclobutyl),δ2.90-3.45(m,3H,2CHNH,CHNH 2),δ3.84(m,1H,CHOH),δ4.91(s,1H,CHOH),δ5.10(m,1H,CH 2NH),δ5.92(m,2H,CHNH 2);ESI-MS:m/z[M+Na] +=558(85%)。
Embodiment 26. compound 2g (C 24h 35n 3o 4pt) preparation
Figure GDA0000021089220000151
By method 2 preparations, white powder, productive rate: 61%.IR(KBr,cm -1):3418(br),3090,2934,2858,1622,1453,1375,1178,1067,1028; 1H?NMR(d 6-DMSO/TMS,ppm):δ1.08-1.48(m,14H,CH 2?of?DACHand?cyclopentyl),δ1.72-2.11(m,4H,CH 2?of?DACH?and?cyclopentyl),δ2.11(m,3H,CH?ofDACH?and?cyclopentyl),δ3.43-3.60(m,4H,CH 2NCH 2),δ3.74-3.91(m,2H,NCH 2Ar),δ7.22-7.45(m,5H,ArH);ESI-MS:m/z[M+H] +=625(100%)。
Embodiment 27. compound 3g (C 25h 37n 3o 4pt) preparation
Figure GDA0000021089220000152
By method 2 preparations, white powder, productive rate: 60%.IR(KBr,cm -1):3403(br),3104,2935,2858,1609,1450,1383,1176,1069; 1H?NMR(d 6-DMSO/TMS,ppm):δ1.06-1.50(m,12H,CH 2?of?DACH?andcyclopentyl),δ1.72-1.91(m,6H,CH 2?of?DACH?and?cyclopentyl),δ2.16(m,3H,CH?of?DACHand?cyclopentyl),δ2.29(s,3H,PhCH 3),δ3.36-3.58(m,4H,CH 2NCH 2),δ3.76(m,2H,NCH 2Ar),δ7.10-7.31(m,4H,ArH);ESI-MS:m/z[M]+H +=639(100%)。
Embodiment 28. compound 4g (C 25h 37n 3o 4pt) preparation
Figure GDA0000021089220000153
By method 2 preparations, white powder, productive rate: 51%.IR(KBr,cm -1):3421(br),3051,2933,2858,1609,1449,1363,1177,1068,1036; 1H?NMR(d 6-DMSO/TMS,ppm):δ1.09-1.50(m,12H,CH 2?of?DACHand?cyclopentyl),δ1.72-2.16(m,6H,CH 2?of?DACH?and?cyclopentyl),δ2.25(m,3H,CH?ofDACH?and?cyclopentyl),δ2.32(s,3H,PhCH 3),δ3.42-3.55(m,4H,CH 2NCH 2),δ3.75-3.79(m,2H,NCH 2Ar),δ7.07-7.25(m,4H,ArH);ESI-MS:m/z[M+H] +=639(100%)。
Embodiment 29. compound 1h (C 19h 34n 2o 4pt) preparation
Figure GDA0000021089220000161
By method 2 preparations, buff powder, productive rate: 50%.IR(KBr,cm -1):3420(br),2939,1596(br),1457,1384,1350,1173,1126,801; 1H?NMR(d 6-DMSO/TMS,ppm):δ0.74-0.86(m,3H,CCH 3?ofcamphorato),δ0.97-1.37(m,20H,CH 2?of?DACH?and?CHCH 2CH 2C,CH 3of?camphorato?andCH(CH 3) 2),δ1.51(m,4H,CH 2of?DACH),δ2.01(m,3H,NHCH?and?CH?of?camphorato),δ3.45(m,1H,CH(CH 3) 2),δ5.80-6.80(m,3H,CHNH?and?CHNH 2);ESI-MS:m/z[M+H] +=550(80%),[M+Na] +=572(20%)。
Annotate: the camphor acid group is transformed and is obtained by natural camphor acid.
Embodiment 30. compound 2h (C 20h 36n 2o 4pt) preparation
Figure GDA0000021089220000162
By method 2 preparations, buff powder, productive rate: 50%.IR(KBr,cm -1):3429(br),2957,1603(br),1457,1382,1348,1169,1125,909,801; 1H?NMR(d 6-DMSO/TMS,ppm):δ0.75(m,3H,CCH 3?ofcamphorato),δ0.89-1.39(m,21H,CH 2?of?DACH?and?CHCH 2CH 2C,CH 3?of?camphorato?andNHCH 2CH 2CH 2CH 3?of?n-Bu),δ1.49(m,4H,CH 2?of?DACH),δ1.95(m,3H,NHCH?and?CH?ofcamphorato),δ3.40(m,2H,NHCH 2?of?n-Bu),δ4.80-6.80(m,3H,CHNH?and?CHNH 2);ESI-MS:m/z[M+H] +=564(50%),[M+Na+CH 3OH] +=619(20%)。
Annotate: the camphor acid group is transformed and is obtained by natural camphor acid.
Embodiment 31. compound 1x (C 10h 22cl 2n 2pt) preparation
Figure GDA0000021089220000171
Preparation by the following method: tetrachloro is closed to the sour potassium of platinum (II) (6.00mmol) and N-normal-butyl-1R, the trans cyclohexanediamine of 2R-(6.00mmol) is mixed in 50mL water, the room temperature lucifuge stirs spends the night, there are a large amount of yellow mercury oxides to generate, filter, difference water, dehydrated alcohol, ether repetitive scrubbing, dry yellow powder, the productive rate: 89% of obtaining.IR(KBr,cm -1):3490(br),3187,3117,2935,2863,1582,1451,1380,1239,1192,1157,1068,1038,1014,908; 1H?NMR(d 6-DMSO/TMS,ppm):δ0.90(t,3H,CH 2CH 3),δ1.02-1.97(m,12H,CH 2?of?DACH?and?CH 3CH 2CH 2),δ2.12(m,2H,NHCH 2),δ2.48-2.50(m,2H,NHCH),δ5.37(m,1H,CH 2NH),δ6.10-6.45(dd,2H,CHNH 2);ESI-MS:m/z[M+Na] +=459(100%)。
Embodiment 32. compound 2x (C 9h 20cl 2n 2pt) preparation
Figure GDA0000021089220000172
The preparation method is with embodiment 31, yellow powder, productive rate: 90%.IR(KBr,cm -1):3475(br),3258,3194,2924,2867,1594,1451,1423,1390,1267,1190,1157,1124,1068,1006,920,797; 1H?NMR(d 6-DMSO/TMS,ppm):δ1.07-1.35(m,6H,CH(CH 3) 2),δ1.04-2.17(m,9H,CH 2?of?DACH?andCH(CH 3) 2),δ3.01-3.45(m,2H,NHCH),δ5.38(m,1H,CH 2NH),δ6.05-6.14(dd,2H,CHNH 2);ESI-MS:m/z[M+Na] +=445(100%)。
Embodiment 33. compound 3x (C 10h 22cl 2n 2pt) preparation
Figure GDA0000021089220000173
The preparation method is with embodiment 31, yellow powder, productive rate: 88%.IR(KBr,cm -1):3495(br),3249,3186,3117,2936,2864,1581,1450,1392,1368,1186,1156,1132,1070,1032,997; 1H?NMR(d 6-DMSO/TMS,ppm):δ0.90-1.07(m,6H,CH 2CH(CH 3) 2),δ1.10-2.15(m,9H,CH(CH 3) 2?and?CH 2?of?DACH),δ2.12-2.44(m,4H,NHCH 2?and?NHCH?and?NH 2CH),δ5.31-6.10(m,3H,CH 2NH?and?CHNH 2);ESI-MS:m/z[M+Na] +=459(100%)。
Embodiment 34. compound 4x (C 11h 22cl 2n 2pt) preparation
Figure GDA0000021089220000181
The preparation method is with embodiment 31, yellow powder, productive rate: 88%.IR(KBr,cm -1):3257,3178,3142,2938,2864,1591,1566,1447,1127,1066; 1H?NMR(d 6-DMSO/TMS,ppm):δ1.00-1.21(m,4H,CH 2?ofDACH),δ1.37-1.50(m,4H,CH 2?of?cyclopentyl),δ1.59-1.60(m,1H,CH 2?of?DACH),δ1.65-1.70(m,1H,CH 2?of?cyclopentyl),δ1.79-2.18(m,6H,CH 2?of?DACH?and?cyclopentyl),δ2.20-2.25(m,1H,CHNH?of?DACH),δ2.30-2.37(m,1H,CHNH?of?DACH),δ3.09-3.12(m,1H,CHNH?of?cyclopentyl);ESI-MS:m/z[M+Na] +=471(100%)。
The single Boc of embodiment 35. protection trans 1, the preparation of 2-cyclohexanediamine
Measure 500mL methyl alcohol, put into the 2L flask, add 500mmol 1R, the trans cyclohexanediamine of 2R-or 1S, the trans cyclohexanediamine of 2S-, stirring at room is dissolved, and stirs the lower 2.5mol/L hydrogenchloride/methanol solution 200mL that slowly drips, and controls temperature and is no more than 5 ℃.Return to room temperature after finishing, add 200mL water, under room temperature, stir 30min.With 250mL dissolve with methanol 550mmol (Boc) 2o, drop to above-mentioned solution under room temperature, about 30min adds, then stirring at room 1h.Stopped reaction, 250mL methyl alcohol is removed in decompression, adds 300mL water, by extracted with diethyl ether 3 times (250mL/ time).Water is regulated pH value 10 left and right with the 5M aqueous sodium hydroxide solution, with dichloromethane extraction 4 times (250mL/ time), merges organic phase, and with 2 times (100mL/ time) of saturated nacl aqueous solution washing, organic phase is spent the night with anhydrous sodium sulfate drying, filters.Filtrate decompression is concentrated into about 200mL left and right, adds 400mL sherwood oil (60-90 ℃) recrystallization, obtains white needles solid 83.0g (77.0%).IR(KBr,cm -1):3350,3291,3183(br),2978,2931,2857,1695,1592,1554,1445,1183,1041,849,761; 1H-NMR(CDCl 3/TMS):δ1.45(S,9H,C(CH 3) 3),δ2.01-1.02(m,8H,CH 2?of?DACH),δ3.14-2.28(m,2H,NH 2CH),δ4.49(br,1H,CONH);ESI-MS?m/z:[M+H] +=215(100%)。
Synthetic (the route I) of embodiment 36. ligand 1s-R.2HCl
Figure GDA0000021089220000191
Take SM-R 17.12g (80mmol), insert in the 500mL there-necked flask, use the 350mL dissolve with methanol, add 17.28g (240mmol) butyraldehyde-n, stir about 20min under room temperature after adding sodium borohydride 9.00g (240mmol), then stirs 3h in batches.Removal of solvent under reduced pressure, add 300mL acetic acid ethyl dissolution residue, 150mL saturated aqueous common salt washed twice for organic phase, and the 150mL water washing is once.Use the anhydrous sodium sulfate drying organic phase, filter removal of solvent under reduced pressure.Dissolve with the 200mL anhydrous diethyl ether, add 150mL 4M hydrogenchloride/ethyl acetate, after stir about 10min, have gas to emerge, the adularescent solid is separated out gradually, the about 6h of stirring at room.Filter, anhydrous diethyl ether washing 3 times for filter cake, vacuum-drying, obtain white solid 15.6g (80.1%).IR(KBr,cm -1):3416(br),2942,2870,1607,1458,1027; 1H-NMR(D 2O/TMS):δ0.94(t,3H,CH 2CH 3),δ1.41-1.39(m,4H,CH 3CH 2CH 2),δ2.32-1.52(m,8H,CH 2?of?DACH),δ3.26-3.04(m,2H,NHCH 2),δ3.50-3.40(m,2H,NHCH);ESI-MS?m/z:[M-2HCl+H] +=171(100%)。
Synthetic (the route I) of embodiment 37. part 2-R.2HCl
Figure GDA0000021089220000192
Take SM-R as initiator, and isobutyric aldehyde is reactant, by embodiment 36 methods, obtains white solid 15.0g (77.0%).IR(KBr,cm -1):3430(br),2945,2871,1027,1001; 1H-NMR(D 2O/TMS):δ1.02(d,6H,CH 3CHCH 3),δ2.34-1.38(m,8H,CH 2?of?DACH),δ2.09(m,1H,CH(CH 3) 2),δ3.11-2.94(d,2H,NH?CH 2),δ3.52-3.41(m,2H,CHNH);ESI-MS?m/z:[M-2HCl+H] +=171(100%)。
Synthetic (the route I) of embodiment 38. part 3-R.2HCl
Figure GDA0000021089220000193
Take SM-R as initiator, and butanone is reactant, by embodiment 36 methods, obtains white solid 14.5g (74.5%).IR(KBr,cm -1):3428(br),2942,2986,1096,1024; 1H-NMR(D 2O/TMS):δ1.01-0.95(m,3H,CH 3CH 2),δ2.32-1.37(m,8H,CH 2?of?DACH),δ1.37-1.30(m,3H,CHCH 3),δ1.38-1.30(m,2H,CH 3CH 2),δ3.39-3.38(m,1H,NHCHCH 3),δ3.48-3.40(m,2H,CHNH);ESI-MS?m/z:[M-2HCl+H] +=171(100%)。
Synthetic (the route I) of embodiment 39. part 4-R.2HCl
Figure GDA0000021089220000201
Take SM-R as initiator, and acetone is reactant, by embodiment 36 methods, obtains white solid 13.0g (70.9%).IR(KBr,cm -1):3431(br),2975,2946,1098,1032; 1H-NMR(D 2O/TMS):δ1.38-1.25(m,6H,CH(CH 3) 2),δ2.26-1.38(m,8H,CH 2?of?DACH),δ3.67-3.58(m,1H,NHCHCH 3),δ3.41-3.35(m,2H,NHCH);ESI-MS?m/z:[M-2HCl+H] +=157(100%)。
Synthetic (the route I) of embodiment 40. part 5-R.2HCl
Figure GDA0000021089220000202
Take SM-R as initiator, and pimelinketone is reactant, by embodiment 36 methods, obtains white solid 18.0g (84.0%).IR(KBr,cm -1):3429(br),2939,2860,1030; 1H-NMR(D 2O/TMS):δ2.27-1.13(m,18H,CH 2?of?DACH?andCHX),δ3.45-3.32(m,3H,NHCH);ESI-MS?m/z:[M-2HCl+H] +=197(100%)。
Annotate: CHX represents cyclohexyl.
Synthetic (the route I) of embodiment 41. part 6-R.2HCl
Figure GDA0000021089220000203
Take SM-R as initiator, and cyclopentanone is reactant, by embodiment 36 methods, obtains white solid 16.1g (79.1%).IR(KBr,cm -1):3430(br),2940,2869,2814,1030; 1H-NMR(D 2O/TMS):δ2.36-1.37(m,16H,CH 2?of?DACHand?CPX),δ3.47-3.40(m,3H,NHCH);ESI-MS?m/z:[M-2HCl+H] +=183(100%)。
Annotate: CPX represents cyclopentyl.
The anti tumor activity in vitro of embodiment 42. typical compounds is measured
Some typical platinum (II) title complexs shown in formula (1a) and formula (1b) have been done to anti tumor activity in vitro mensuration, cancer cells used has human hepatoma cell HepG-2, human breast cancer cell MCF-7, Human Lung Cancer cell A549 and human colon cancer cell HCT-116, and positive control used is existing medicine cis-platinum, oxaliplatin or carboplatin.Concrete experimental technique is as follows:
Use mtt assay to detect cell survival rate, be about to be grown in the cell of logarithmic phase, the trysinization through 0.01%, counting, be seeded in 100mL in 96 orifice plates with the cell density of 2.0 * 103/well, is placed in 5%CO 237 ℃ of overnight incubation in incubator.Each compound is established six concentration gradients, and each concentration is established three multiple holes, and each concentration joins respectively in corresponding aperture, 5%CO 2cultivate 72 hours in 37 ℃ of incubators, add the 5mg/mL MTT of 20mL.37 ℃ hatch 3 hours after, inhale and to abandon supernatant, add the DMSO of 100mL to dissolve, use SpectraMAX 340 to survey 550nm (L1) absorbance value, reference wavelength 690nm (L2), to the mapping of inhibitor different concns, obtain IC through formula fitting by (L1-L2) value 50value.
The IC of table 1. platinum (II) title complex 50value

Claims (8)

1. it is trans 1 that a N-alkyl replaces, and the platinum that the 2-cyclohexanediamine is part (II) title complex, is characterized in that, its structure is suc as formula shown in (1a) or formula (1b):
Figure FDA0000394059670000011
Y in formula (1a) is for being C 1-C 16alkoxy acetic acid root or C 2-C 18the alkyl carboxylic acid root, Z in formula (1b) is oxalate, malonate, 1,1-cyclobutanedicarboxylic acid, 3-hydroxyl-1,1-cyclobutanedicarboxylic acid, 3-azepine-1, the 3-azepine-1 that 1-cyclobutanedicarboxylic acid, N-replace, 1-cyclobutanedicarboxylic acid or camphor two acid groups, the 3-azepine-1 that N-replaces, in the 1-cyclobutanedicarboxylic acid, substituting group is benzyl, C 1-C 4benzyl, C that alkyl replaces 1-C 4the benzyl that the benzyl that alkoxyl group replaces or halogen atom replace, in formula (1a) and formula (1b), R is C 3-C 8alkyl, cyclopentyl, asterisk * represents chiral carbon atom, formula (1a) and the described compound of formula (1b) they are to have 1R, the chiral isomer of 2R-configuration.
2. it is trans 1 that N-alkyl as claimed in claim 1 replaces, and the platinum that the 2-cyclohexanediamine is part (II) title complex, is characterized in that, its structure is suc as formula shown in (1b), and wherein R is that butyl, Z are oxalate, malonate, 1, the 1-cyclobutanedicarboxylic acid.
3. it is trans 1 that N-alkyl as claimed in claim 2 replaces, and the platinum that the 2-cyclohexanediamine is part (II) title complex is characterized in that R is sec-butyl, cyclopentyl, and Z is oxalate, malonate, 1, the 1-cyclobutanedicarboxylic acid.
4. it is trans 1 that N-alkyl as claimed in claim 1 replaces, and the platinum that the 2-cyclohexanediamine is part (II) title complex, is characterized in that, its structure is suc as formula shown in (1a) or formula (1b), and wherein R is propyl group, and Y is C 2-C 4the alkoxy acetic acid root, Z is the 3-azepine-1 that N-replaces, the 1-cyclobutanedicarboxylic acid, the 3-azepine-1 that N-replaces, in the 1-cyclobutanedicarboxylic acid, the benzyl that the benzyl that substituting group is benzyl, methyl substituted benzyl, methoxy substitution or halogen atom replace.
N-alkyl as claimed in claim 4 replace trans 1, the platinum that the 2-cyclohexanediamine is part (II) title complex, it is characterized in that, R is sec.-propyl, and Y is isopropoxy acetate moiety or tert.-butoxy acetate moiety, and Z is the 3-azepine-1 that N-replaces, the 1-cyclobutanedicarboxylic acid, the 3-azepine-1 that N-replaces, in the 1-cyclobutanedicarboxylic acid, the benzyl that substituting group is methyl substituted benzyl or methoxy substitution.
6. it is trans 1 that a N-alkyl replaces, and the platinum that the 2-cyclohexanediamine is part (II) title complex, is characterized in that, its structure is suc as formula shown in (2);
Figure FDA0000394059670000012
Wherein, Hal represents Cl -, Br -or I -, R is as the described C of claim 1-5 any one 3-C 8alkyl, asterisk * represents chiral carbon atom, the described compound of formula (2) is to have 1R, the chiral isomer of 2R-configuration.
N-alkyl as claimed in claim 6 replace trans 1, the preparation method of the platinum that the 2-cyclohexanediamine is part (II) title complex, it is characterized in that, comprise the following steps: with trans 1 of single Boc protection, the 2-cyclohexanediamine is that initiator obtains the compound of formula (3) representative by following synthetic route I, then close the sour nak response of platinum (II) with compound shown in formula (3) and four halogen, obtain the described compound of formula (2);
Described single Boc protection trans 1, the 2-cyclohexanediamine is meaned by formula (4):
Figure FDA0000394059670000022
Wherein Boc represents tertbutyloxycarbonyl;
Route I is as follows:
Figure FDA0000394059670000023
In route I, R is as the described C of claim 1-5 any one 3-C 8alkyl, described alkanoic is C 3-C 8chain-like alkyl aldehyde, described aliphatic ketone is C 3-C 8chain or cyclic alkyl ketone, when R is chain-like alkyl, use chain-like alkyl aldehyde or chain-like alkyl ketone, when using chain-like alkyl aldehyde, R1 is C 2-C 7alkyl, R2 is hydrogen atom; When using chain-like alkyl ketone, R1 and R2 are respectively C 1-C 6chain-like alkyl, both carbonatoms sums should be less than 7 or equal 7; When R is cyclic alkyl, use cyclic alkyl ketone, wherein X is C 2-C 7alkylidene group.
N-alkyl as claimed in claim 1 replace trans 1, the preparation method of the platinum that the 2-cyclohexanediamine is part (II) title complex, it is characterized in that, the method for being reacted compound described in production (1a) or formula (1b) by the described compound of formula (2) is:
Under the lucifuge condition, in the aqueous solution, remove the halogen ion in formula (2) by silver ions, then react platinum (II) title complex shown in production (1a) with the alkali metal salts or ammonium salt of the defined Y of formula (1a), or react platinum (II) title complex shown in production (1b) with the alkali metal salts or ammonium salt of the defined Z of formula (1b);
Perhaps,
Under the lucifuge condition, in the aqueous solution, the silver salt of the defined Y of through type (1a) reacts platinum (II) title complex shown in production (1a) with platinum (II) title complex shown in formula (2), or the silver salt of the defined Z of through type (1b) reacts platinum (II) title complex shown in production (1b) with platinum (II) title complex shown in formula (2).
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