CN1057654A - 双膦酸衍生物及其制备和应用 - Google Patents
双膦酸衍生物及其制备和应用 Download PDFInfo
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- CN1057654A CN1057654A CN91104316A CN91104316A CN1057654A CN 1057654 A CN1057654 A CN 1057654A CN 91104316 A CN91104316 A CN 91104316A CN 91104316 A CN91104316 A CN 91104316A CN 1057654 A CN1057654 A CN 1057654A
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- aminomethylene
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- 239000002253 acid Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 150000001875 compounds Chemical class 0.000 claims abstract description 77
- 150000003839 salts Chemical class 0.000 claims abstract description 25
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 19
- 229940078581 Bone resorption inhibitor Drugs 0.000 claims abstract description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 6
- 125000005750 substituted cyclic group Chemical group 0.000 claims abstract description 5
- 150000001335 aliphatic alkanes Chemical class 0.000 claims abstract description 4
- -1 alkane ester Chemical class 0.000 claims description 88
- 238000000034 method Methods 0.000 claims description 81
- 125000006295 amino methylene group Chemical group [H]N(*)C([H])([H])* 0.000 claims description 37
- 150000003009 phosphonic acids Chemical class 0.000 claims description 37
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 210000000988 bone and bone Anatomy 0.000 claims description 9
- 125000005843 halogen group Chemical group 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 125000003545 alkoxy group Chemical group 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- 125000004429 atom Chemical group 0.000 claims description 6
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- 230000000694 effects Effects 0.000 claims description 6
- 125000004646 sulfenyl group Chemical group S(*)* 0.000 claims description 6
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- 230000007062 hydrolysis Effects 0.000 claims description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
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- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 150000002367 halogens Chemical class 0.000 claims description 4
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- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
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- 238000004458 analytical method Methods 0.000 description 17
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- 239000011734 sodium Substances 0.000 description 13
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- 239000011541 reaction mixture Substances 0.000 description 12
- 230000002829 reductive effect Effects 0.000 description 12
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- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 10
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- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 7
- 230000024279 bone resorption Effects 0.000 description 7
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 7
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- IYYIVELXUANFED-UHFFFAOYSA-N bromo(trimethyl)silane Chemical compound C[Si](C)(C)Br IYYIVELXUANFED-UHFFFAOYSA-N 0.000 description 6
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- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 4
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- AUYGWRMSNXFNLM-UHFFFAOYSA-N azane phosphonomethylphosphonic acid Chemical class N.OP(O)(=O)CP(O)(O)=O AUYGWRMSNXFNLM-UHFFFAOYSA-N 0.000 description 4
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- CSRZQMIRAZTJOY-UHFFFAOYSA-N trimethylsilyl iodide Chemical compound C[Si](C)(C)I CSRZQMIRAZTJOY-UHFFFAOYSA-N 0.000 description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
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- 125000004423 acyloxy group Chemical group 0.000 description 3
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
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Classifications
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- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
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- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/40—Esters thereof
- C07F9/4003—Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic
- C07F9/4025—Esters of poly(thio)phosphonic acids
- C07F9/405—Esters of poly(thio)phosphonic acids containing nitrogen substituent, e.g. N.....H or N-hydrocarbon group which can be substituted by halogen or nitro(so), N.....O, N.....S, N.....C(=X)- (X =O, S), N.....N, N...C(=X)...N (X =O, S)
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- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
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- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
- C07F9/3839—Polyphosphonic acids
- C07F9/3873—Polyphosphonic acids containing nitrogen substituent, e.g. N.....H or N-hydrocarbon group which can be substituted by halogen or nitro(so), N.....O, N.....S, N.....C(=X)- (X =O, S), N.....N, N...C(=X)...N (X =O, S)
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- C—CHEMISTRY; METALLURGY
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- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
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- C07F9/576—Six-membered rings
- C07F9/58—Pyridine rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
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- C07F9/6503—Five-membered rings
- C07F9/6506—Five-membered rings having the nitrogen atoms in positions 1 and 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
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- C07F9/6512—Six-membered rings having the nitrogen atoms in positions 1 and 3
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
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- C07F9/6524—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having four or more nitrogen atoms as the only ring hetero atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
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- C07F9/6539—Five-membered rings
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Abstract
本发明公开了一种式(I)双膦酸衍生物或其盐,
式中A是可任意被取代的环基;R1是氢原子或低级
烷酰基;R2、R3、R4和R5是相同或不同的氢原子或
低级烷基;m是0、1或2和n是2~10的整数。公
开了其制备方法和含式(I)化合物或其盐的骨吸收抑
制剂。
Description
本发明涉及一种(含硫)氨亚甲基双膦酸衍生物或其药物允许的盐,它们可用作具有抑制骨吸收、抗炎和抗风湿等作用的药剂。本发明还涉及含有该化合物作为活性组分的药剂。
各种氨亚甲基双膦酸衍生物的合成方法已在日本专利公开发表号308290/1989,258695/1990,184/1990,185/1990等中公开。然而它们当中没有一个公开本发明的(含硫烷基)氨亚甲基双膦酸衍生物。
虽然已生产了各种用作骨吸收抑制剂的双膦酸衍生物,但从其活性和副作用来看,它们还不能胜任。
鉴于这种情况,为了研制用作更有效的骨吸收抑制剂的双膦酸衍生物,本发明者进行了深入细致的研究。结果,发现了下式(Ⅰ)的新型双膦酸衍生物,它对骨吸收具有极好的抑制作用。
本发明化合物的特征在于其化学结构,即在其烷基侧链上的环基上含有硫代基、亚硫酰基或硫酰基,且该化合物可用作骨吸收抑制剂。
也就是说本发明提供:
(1)式(Ⅰ)的双膦酸衍生物或其盐:
式中A是一个任意被取代的环基;R1是氢原子或低级烷酰基;R2、R3、R4和R5可同可不同,各为氢原子或低级烷基;m是1或2;和n是2到10的整数,
(2)制备式(Ⅰ)化合物的方法,该方法包括使式(Ⅱ)的胺衍生物与式(Ⅱ)的原甲酸酯衍生物和式(Ⅳ)的亚磷酸酯反应,然后,必要的话,将生成物酰化、氧化和/或水解,
式中所有符号的定义同上,
CH(OR6)3(Ⅲ)
式中R6是低级烷基,
式中R7,R8,R9和R10是相同或不同的低级烷基。和
(3)含有式(Ⅰ)化合物或其盐的骨吸收抑制剂。
在上式(Ⅰ)中,用A表示的任意被取代的环基包括C6~14芳烃基如苯基、萘基、蒽基等;含有1-4个杂原子(最好是氮、氧和/或硫原子)的5或6原子芳香杂环基(例如,吡啶基、嘧啶基、哒嗪基、呋喃基、噻吩基、咪唑基、噻唑基、噁唑基、异噁唑基、噻二唑基、吡唑基、三唑基等);含有1到4个氮、氧和/或硫原子的5或6原子芳香杂环基,它们可用C6-14芳烃环或含有1~4个氮、氧、硫原子的5或6原子芳香杂环共轭(例如苯并噻唑基、苯并噁唑基、苯并咪唑基、S-三唑并〔1,2-a〕吡啶基、咪唑并〔1,2-b〕吡嗪基,吲哚基、咪唑并〔1,2-a〕吡啶基等);C3-7环烷基,如环丙基、环丁基、环戊基、环己基、环庚基等;含有1~4个杂原子(最好是氮、氧和/或硫原子)的5或6原子非芳香环基(例如噻咪啉-2-基,咪唑啉-2-基,噁唑啉-2-基等)。当含氮杂原子的环基有一个取代基时,该取代基既可联到环的碳原子上也可联到氮原子上。
在上式(Ⅰ)中,环A的取代基的例子包括卤原子,硝基、任意被取代的烷基,任意被取代的羟基、任意被取代的硫羟基。这些取代基可以相同或不同且环A可有1到4个取代基,最好有1或2个取代基。
此处的术语“卤素原子”包括氟、氯、溴、碘等。在可取代的烷基中的烷基最好是C1-7直链或支链的烷基,如甲基、乙基、丙基、异丙基、丁基、异丁基、仲丁基、叔丁基、戊基、异戊基、新戊基、己基或庚基等;或C3-7环烷基,如环丙基、环丁基、环戊基、环己基、环庚基等。它们可以被1到3个下列取代基取代:卤素原子(例如,氟、氯、溴、碘等),羟基,C1-6烷氧基(如,甲氧基、乙氧基、丙氧基、丁氧基、己氧基等)等等。
可取代的烷基的例子包括三氟甲基、2,2,2-三氟乙基、三氯甲基、羟甲基、2-羟乙基、2-甲氧乙基等。
取代的羟基有一适宜取代基,特别是有一羟基保护基的羟基,例如,烷氧基、链烯氧基、芳烷氧基、酰氧基及芳氧基。烷氧基的例子包括C1-6直链或支链的烷氧基(如甲氧基、乙氧基、丙氧基、异丙氧基、丁氧基、异丁氧基、仲丁氧基、叔丁氧基、戊氧基、异戊氧基、新戊氧基、己氧基等)和C4~6环烷氧基(例如,环丁氧基、环戊氧基、环己氧基等)。链烯氧基的例子最好包括C2-6链烯氧基,如烯丙氧基、丁烯氧基、2-戊烯氧基、3-己烯氧基、2-环戊烯甲氧基等。芳烷氧基宜为C6~19芳烷氧基,更好的是C6~14芳基-C1-4烷氧基(例如苄氧基、苯乙氧基等)。酰氧基最好是链烷酰氧基例如C2-7的链烷酰氧基(如,乙酰氧基、丙酰氧基、正丁酰氧基、异丁酰氧基、己酰氧基等)。芳氧基最好是C6~14芳氧基(如苯氧基、联苯氧基等)。这些基团可以进一步用1到3个取代基(如上述的卤素原子、羟基、C1-6烷氧基等)取代。取代的羟基的例子包括三氟甲氧基、二氟甲氧基、2,2,2-三氟乙氧基、2-甲氧基乙氧基、4-氯苄氧基、2-(3,4-二甲氧苯基)乙氧基等。
取代的硫羟基是有一适宜取代基的特别是有一硫羟基的保护基硫羟基,例如烷硫基、芳烷硫基、酰硫基。烷硫基最好是C1-6直链或支链的烷硫基(例如,甲硫基、乙硫基、丙硫基、异丙硫基、丁硫基、异丁硫基、仲丁硫基、叔丁硫基、戊硫基、异戊硫基、新戊硫基、己硫基等)和C4-7环烷硫基(例如环丁硫基、环戊硫基、环己硫基、环庚硫基等)。芳烷硫基宜为C7-19芳烷硫基,更好的是C6-14芳基-C1-4烷硫基(如苄硫基或苯乙硫基)。酰硫基最好是链烷酰硫基如C2-7链烷酰硫基(如乙酰硫基、丙酰硫基、正丁酰硫基、异丁酰硫基、己酰硫基等)。这些基团可以进一步用例如1到3个取代基(如上所述的卤素、羟基、C1-6烷氧基等)取代。取代的硫羟基的例子包括三氟甲硫基、二氟甲硫基、2,2,2-三氟乙硫基,2-甲氧乙硫基、4-氯苄硫基、3,4-二氯苄硫基、4-氟苄硫基、2-(3,4-二甲氧苯基)乙硫基等。
取代芳烃基的例子包括4-氯苯基、2-氟苯基、4-硝基苯基、3-甲基苯基、3-三氟甲基苯基、5,6,7,8-四氢-2-萘基、4-甲氧苯基、3,4-亚甲基二氧苯基、4-(4-氯苄氧基)苯基、4-乙酰氧基苯基、3-甲基硫代苯基等。
取代的芳香杂环基的例子包括2-氯-4-吡啶基、5-硝基-2-吡啶基、3-羟基-2-吡啶基、6-甲氧基-2-吡啶基、2-甲基-4-吡啶基、4-甲基-2-嘧啶基;4-羟基-6-甲基-2-嘧啶基、5-三氟甲基-2-苯并噻唑基等。
取代的杂环基例子包括5-苯基-2-噻唑啉-2-基、5-甲基-2-噁唑啉-2-基、1-甲基-2-咪唑啉-2-基等。
作为R1代表的低级链烷酰基可使用C1-6烷基-羰基(如乙酰基、丙酰基、丁酰基、异丁酰基、戊酰、异戊酰、新戊酰基、己酰基、环戊烷酰基等)。最好的R1是例如乙酰基、丙酰基、丁酰基等。
R2、R3、R4和R5代表的低级烷基包括C1-4直链或支链烷基,例如,甲基、乙基、丙基、丁基、异丙基、异丁基、叔丁基等。
在上述基团中,环A最好是苯环、吡啶环或嘧啶环,它们可以用一个卤素原子、烷基或烷氧基取代。
式(Ⅰ)化合物的适宜的盐是药物允许的盐,例如无机盐,像碱金属盐(如钠盐、钾盐等),碱土金属盐(如、钙盐、镁盐等)或铵盐;有机碱盐,像甲胺盐、乙胺盐、丙胺盐、异丙胺盐、丁胺盐、叔丁胺盐、二甲胺盐、二乙胺盐、三甲胺盐、三乙胺盐、吡啶盐、甲基吡啶盐、二环己胺盐、N,N′-二苄基亚乙基二胺盐等;有机酸盐,如甲酸盐、乙酸盐、三氟乙酸盐、马来酸盐、酒石酸盐、甲磺酸盐、苯磺酸盐、甲苯磺酸盐等;无机酸盐,如盐酸盐、氢溴酸盐、磺酸盐等;和氨基酸盐,像赖氨酸、谷氨酸、等等。
式(Ⅰ)化合物或其盐可按已知方法制备。
即式(Ⅰ)化合物或其盐可通过式(Ⅱ)胺衍生物与式(Ⅲ)的原甲酸盐衍生物和式(Ⅳ)的亚磷酸酯反应,然后必要的话将生成物酰化、氧化和/或水解而制得,
式中A是可取代的环基;和n是2-10的整数,
CH(OR6)3(Ⅲ)
式中R6是低级烷基,
式中R7,R8,R9和R10是相同或不同的低级烷基。
例如,式(Ⅰ)化合物或其盐可按下列方法制备。下文描述的化合物的盐可与式(Ⅰ)化合物的盐相同。
方法A
式中所有符号的定义同上。
方法B
式中R″代表低级酰基,其它符号的定义同上。
方法C
式中K为1或2,其它符号的定义同上。
方法D-1
式中所有符号的定义同上。
方法D-2
制备双膦酸二酯。
方法D-3
制备双膦酸单酯或三酯。
下面详述每一种方法。
方法A
该方法系通过适量的式(Ⅱ)胺衍生物与式(Ⅲ)原甲酸酯衍生物和式(Ⅳ)亚磷酸酯反应以制备式(Ⅰ-1〕双膦酸衍生物。反应通常在80到200℃,最好在100到170℃下进行10分钟到24小时。
方法B
该方法系将用方法A制得的式(Ⅰ-1)化合物酰化以制备式(Ⅰ-2)化合物。进行这一酰化作用的方法是在溶剂中或在不用任何溶剂的情况下使1到2当量的酰化剂(酸酐、酰基卤等)与式(Ⅰ-1)化合物反应。溶剂可以使用苯、二甲苯、甲苯、氯仿、二氯甲烷、乙酸乙酯、醚、四氢呋喃等。反应是在0到100℃下进行30分钟到10小时。
方法C
该方法是按照常规方法使用氧化剂进行氧化。这类氧化剂是对含硫杂环化合物的骨架影响较小的温和氧化剂,宜用间一氯过苯甲酸、过氧化氢、过酸酯、偏高碘酸钠等。
该反应是在对反应无不良影响的有机溶剂中进行的。
作为溶剂可使用例如卤代烃(如二氯甲烷、氯仿、二氯乙烷等)或烃(如苯、甲苯等)或其混合溶剂。
使用与式(Ⅰ-1)或(Ⅰ-2)化合物等摩尔或少于等摩尔的氧化剂时优先生成式(Ⅰ-3)中k=1的化合物。当氧化剂用量高于等摩尔时,式(Ⅰ-3)中k=1的化合物进一步被氧化,生成式(Ⅰ-3)中k=2的化合物。
该反应是在不高于室温(20~30℃)的温度下进行的。最好反应温度为约-50℃~20℃。反应时间从30分钟到10小时。
方法D-1
该方法是将上述方法A到C制得的(Ⅰ-1)、(Ⅰ-2)和(Ⅰ-3)的双膦酸酯水解而制得相应的双膦酸(Ⅰ-4)。
该反应是在对反应无不良影响的溶剂中,利用无机酸(如盐酸、氢溴酸等)或卤代三烷基硅烷进行的。使用无机酸(如盐酸、氢溴酸等)时,作为溶剂可使用醇(如甲醇、乙醇、2-甲氧基乙醇、乙二醇、丙醇、丁醇等),水或其混合物。通常使用大大过量的酸,反应温度是0~150℃,最好为30~100℃。反应时间是1~50小时。
当使用卤代烷基硅烷(如氧代三甲基硅烷、溴代三甲基硅烷、碘代三甲基硅烷等)时,作为溶剂可使用卤代烃(如四氯化碳、氯仿、二氯甲烷、1,2-二氯乙烷、1,1,2,2-四氯乙烷),乙腈等或其混合物。
卤代烷基硅烷的用量是式(Ⅰ-1)、(Ⅰ-2)或(Ⅰ-3)化合物的4到10当量,最好是5-8当量。反应温度是-30到100℃,最好是-10到50℃。反应时间是30分钟到100小时。
为了将这样获得的双膦酸转化成其盐,可按照常规方法,用碱像氢氧化钾、氢氧化钠、甲醇钠,氨,有机胺等处理该酸。
方法D-2
方法D-2
在该方法中,将方法A制得的双膦酸四酯(Ⅰ-4)用碱进行水解,以制备双膦酸二酯。
碱(如氢氧化钠、氢氧化钾)的用量是式(Ⅰ-1)化合物的2到2.2摩尔当量。反应按常规方法在含水溶剂中进行。
方法D-3
在该方法中,将方法A到C所制得的双膦酸四酯用卤代烷基硅烷进行部分水解以制备双膦酸单酯或三酯。
在制备双膦酸三酯时,卤代烷基硅烷(如氯代三甲基硅烷、溴代三甲基硅烷、碘代三甲基硅烷等)的用量是式(Ⅰ-1)、(Ⅰ-2)或(Ⅰ-3)化合物的1到1.2摩尔当量;而在制备双膦酸单酯时,用量是该化合物的3~3.3摩尔当量。反应按方法D-1进行。
这样获得的双膦酸衍生物(Ⅰ)可按已知的方法,例如通过浓缩、减压浓缩、溶剂萃取、沉淀、重结晶、色谱等来进行分离和提纯。
本发明原料化合物(Ⅱ)可以按例如下列方法制备。
方法E
式中环A和n的定义同上,X代表离去基团。
该方法系在碱存在下使式(Ⅴ)化合物与式(Ⅵ)化合物反应以制备式(Ⅶ)化合物。离去基团X是例如,卤素,最好氯、溴或碘,或被活化的羟基例如,有机磺酸酯残基(如对-甲苯磺酰氧基等),C1-4烷基磺酰氧基(如,甲磺酰氧基等)或有机磷酸酯残基像二苯基磷酰氧基、二苄基磷酰氧基、二甲基磷酰氧基等。式(Ⅴ)与式(Ⅵ)化合物的反应是在适宜的溶剂中进行的。溶剂的例子包括芳烃,例如苯;甲苯、二甲苯;醚,例如二噁烷、四氢呋喃、二甲氧基乙烷;醇,例如甲醇、乙醇、丙醇;乙酸乙酯;乙腈;吡啶;N,N-二甲基甲酰胺;二甲亚砜;氯仿;二氯甲烷;1,2-二氯乙烷;1,1,2,2-四氯乙烷;丙酮;2-丁酮和混合物。化合物(Ⅴ)与(Ⅵ)的反应是在适宜的碱存在下进行的。这些碱的例子有碱金属盐例如氢氧化钠、氢氧化钾、碳酸钾、碱酸钠、碳酸氢钠等;或胺,例如吡啶、N,N-二甲基苯胺等。碱的用量基于化合物(Ⅴ)最好约1到5摩尔。反应通常在-20到150℃下,最好约0°到130℃下进行1到10小时。
方法F
第一步反应:
式中环A和n的定义同上。
在该方法中,化合物(Ⅴ)首先与约等摩尔量的化合物(Ⅷ)在碱存在下进行反应以制得化合物(Ⅸ)。
化合物(Ⅴ)和(Ⅷ)之间的反应按与方法E相同的方法进行。
第二步反应:
式中环A和n的定义同上。
在该方法中,使第一步中获得的化合物(Ⅸ)与约等摩尔的邻苯二甲酰亚胺钾反应以获得化合物(Ⅶ)。化合物(Ⅸ)和邻苯二甲酰亚胺钾之间的反应是在适宜的溶剂中进行的。该溶剂的例子有芳烃,例如苯、甲苯、二甲苯等;醚,例如二噁烷、四氢呋喃、二甲氧基乙烷等;醇,例如甲醇、乙醇、丙醇等;乙酸乙酯;乙腈;吡啶;N,N-二甲基甲酰胺;二甲亚砜;氯仿;二氯甲烷;1,2-二氯乙烷;1,1,2,2-四氯乙烷;丙酮;2-丁酮和其混合物。该反应通常是在-20到150℃下,最好是在约30~130℃下进行1到10小时。
方法G
式中环A和n定义同上。
在该方法中,使按方法E和F制得的化合物(Ⅶ)与水合肼反应以制得式(Ⅱ)化合物。化合物(Ⅶ)和水合肼之间的反应是在适宜的溶剂中进行的。该溶剂的例子包括芳烃,例如苯、甲苯、二甲苯等;醚,例如二噁烷、四氢呋喃、二甲氧基乙烷等;醇,例如甲醇、乙醇、丙醇等;N,N-二甲基甲酰胺;二甲亚砜;氯仿;二氯甲烷;1,2-二氯乙烷;1,1,2,2-四氯乙烷和其混合物。水合肼的用量是基于化合物(Ⅶ)的1~10摩尔当量,最好是1.2~5摩尔当量。该反应通常在-20~150℃下,最好在约0~100℃下进行1~10小时。
本发明提供的化合物(Ⅰ)或其盐具有抑制骨吸收的作用和抑制由于骨吸收亢进而引起的骨质损失。
因此,本发明的化合物可用于预防和治疗哺乳动物(例如,小鼠、老鼠、兔子、狗、猫、牛、猪、人等)的骨质疏松症。
当本发明化合物给人服用时,既可以口服也可以肠胃外给药。口服药可以是固体或液体剂型,例如片剂(包括糖衣片、膜衣片)、丸剂、粒剂、粉剂、胶囊(包括软胶囊)、糖浆、乳剂、悬浮液等。这样的药剂可以按已知的方法制备且可含有通常用于制药领域的载体或赋形剂。例如,用于片剂的载体或赋形剂包括乳糖、淀粉、庶糖、硬脂酸镁等。
用于肠胃外给药的药剂可以是注射液或栓剂。注射液包括皮下注射、皮内注射、肌肉内注射等剂型。注射液可按公知的方法制备。即将化合物(Ⅰ)在常用于注射液制备的无菌水溶液或油状溶液中悬浮或乳化。用于注射液的含水溶液包括生理盐水、等渗溶液等。如果需要的话,该溶液可以与适宜的悬浮剂(例如羧甲基纤维素钠),非离子表面活性剂等一起使用。油状溶液包括芝麻油、大豆油等,且可与加溶剂例如苯甲酸苄酯、醇等一起使用。这样获得的注射液通常注入到适宜的安瓿中。
当化合物(Ⅰ)或其盐用作治疗骨质疏松症的药物时,在口服情况下,用于成人的日剂量是1~500mg,宜为10~200mg。
骨吸收抑制作用的测定方法和化合物(Ⅰ)治疗骨质疏松症的效果及其结果给出如下。
骨吸收抑制作用
骨吸收抑制作用的测定按Raisz方法〔J.Clin,Invest.,44,103-116(1965)〕进行。即对老鼠〔Sprague-Dawley,怀孕19天〕进行皮下注射,注入50μCi45Ca(钙同位素、CaCl2溶液)并在第二天切开其腹部,无菌除去胎鼠。在解剖显微镜观察下切去两个肘骨(桡骨、肘)并尽可能多地除去连接组织和软骨以获得骨质培养试样。将每一份骨试样在0.6mlBGJb介质(Fitton-Jackson变体〔GIBCO Laboratories(U.S.A)〕含有2mg/ml牛血清白蛋白)中,在37℃下培养24小时。然后,将欲试验的化合物加到其中使其浓度达10ug/ml。然后,在上述介质中继续培养2天,并测定该介质和骨中45Ca的放射性。从骨中释放的45Ca在介质中的量(%)按下列公式计算:
从骨释放的45Ca在介质中的比值(%)
(介质中45Ca的量)/(介质中45Ca的量+骨组织中45Ca的量) ×100
用从幼胎获得的并按同样方法培养2天但不加要试验的化合物的骨作为对照组。计算从每一组的5个获得的数据平均值±标准偏差,获得该值同对照组值之比(%)并列于表1中。
表1
45Ca的释放
实例号 (%,与对照组之比)
5 73
治疗骨质疏松的效果
将SAM-R/l小鼠(13周令)的两个卵巢均切除并从手术后的第二天开始让其口服试验化合物,每周口服6天,三周共口服17天。在最后服药的第二天,切除小鼠的左股骨。从股骨上除去滑车,然后将股骨末梢的三分之一以与纵轴成90°角的方向切去。用0.2N含水氢氧化钾溶解以除去骨髓,并将其放在玻璃试管中。放入电热干燥器中并在100℃下干燥3小时,然后测量干重。
将对每组6~8个小鼠测量所得的数据的平均值±标准偏差给出在表2中。
表2
组别 日服剂量 重量(干基)
(mg/kg) (mg)
空白操作 10.18
对照组 0 ±0.18**
卵巢切除 9.16
对照组 0 ±009
卵巢切除
服用化合物 10.31**
(实例5)组 30 ±0.31
相对于卵巢切除对照组的显著性
*:P<0.05,**:P<0.01
预防和治疗骨质疏松症的效果
将一龄期6周的Sprague-Dawley雄鼠通过腹膜内给药(本化合物)2天,在第三天切除其右坐骨神经。在第17天切除其两个胫骨。将接近一半的胫骨沿与纵轴向成90°角切去,然后在110℃下干燥6小时。测量干重。
将从每组6只鼠测得的数据的平均值±标准偏差给出在表3和表4中。
表3
组别 日服剂量 重量(干基) (mg)
(mg/kg) 右胫骨 左胫骨
空白操作
对照组 0 99.8±3.9**109.7±1.5
操作对照组 0 79.4±2.1 106.7±1.1
操作服用化合物
(实例10)组 1 146.8±5.8**157.0±6.6**
相对于操作对照组的显著性
**:P<0.01
表4
组别 日服剂量 重量(干基) (mg)
(mg/kg) 右胫骨 左胫骨
空白操作
对照组 0 98.1±3.5**97.5±0.6
操作对照组 0 77.3±1.7 99.6±2.4
操作服用化合物
(实例41)组 1 134.4±4.5**143.7±5.2**
相对于操作对照组的显著性
**:P<0.01
下列的对比实施例和实例进一步详细说明本发明但并不是对其范围的限制。
对比实施例1
在室温下,将由2-巯基嘧啶(7.3g)、N-(2-溴乙基)邻苯二甲酰亚胺(16.5g)、碳酸钾(10.8g)和N,N-二甲基甲酰胺(DMF)(85ml)组成的混合物搅拌3小时。将反应混合物倾入水中并过滤收集析出的晶体,得N-〔2-(2-嘧啶硫基)乙基〕邻苯二甲酰亚胺(17.3g,93%)。使生成物在乙醇-异丙醚中重结晶,得浅黄色棱晶,熔点149-150℃。
对比实施例2到20
按照在对比实例1描述的方法,制得列于表5和6中的化合物。
表5
表6
*1)NMR(δppm in CDCl3):1.7-1.95(4H,m),3.22(2H,t,J=7Hz),3.73(2H,t,J=7Hz),6.96(1H,ddd,J=7.5,1Hz),7.15(1H,ddd,J=8.1,1Hz),7.46(1H,ddd,J=8.7,2Hz),7.7-7.75(2H,m),7.8-7.85(2H,m),8.40(1H,ddd,J=5.2,1Hz).
对比实施例21
将由1-溴-5-氯戊烷(10.0g)、苯硫酚(5.94g)、碳酸钾(7.45g)和N,N-二甲基甲酰胺(DMF)(50ml)组成的混合物在室温下搅拌4小时。将反应混合物倾到水中并用乙酸乙酯萃取。乙酸乙酯层用水洗涤、干燥(MgSO4)、然后浓缩至干。将邻苯二甲酰亚胺钾(11.0g)和N,N-二甲基甲酰胺(100ml)加到残余物中,并将生成物在90℃下搅拌2小时。将反应混合物倾到水中并用乙酸乙酯萃取。乙酸乙酯层用水洗涤、干燥(MgSO4),然后浓缩至干。过滤收集晶体,并在异丙醚中重结晶,获得N-(5-苯基硫戊基)邻苯二甲酰亚胺(14.9g,85%),为无色棱晶,熔点87-88℃。
对比实施例22~26
按与对比实施例21相同的方法,制得列在表7中的化合物。
表7
*1)NMR(δppm in CDCl3):1.25-1.8(8H,m),3.15(2H,t,J=7Hz),3.68(2H,t,J=7Hz),6.95(1H,ddd,J=7.5,1Hz),7.15(1H,ddd,J=8.1,1Hz),7.46(1H,ddd,J=8.7,2Hz),7.65-7.75(2H,m),7.8-7.9(2H,m),8.41(1H,ddd,J=5.2,1Hz).
对比实施例27
将由N-〔2-(2-嘧啶硫基)乙基邻苯二甲酰亚胺(17.1g)、水合肼(21g)和乙醇组成的混合物在回流下搅拌1小时。滤掉析出的晶体,在减压下浓缩滤液,得2-(2-嘧啶硫基)乙胺(6.6g,71%),为无色油状液。
NMR(δ ppm in CDCl3):1.61(2H,s),3.04(2H,t,J=6Hz),3.27(2H,t,J=6HZ),6.98(1H,t,J=5Hz),8.52(2H,d,J=5Hz).
对比实施例28~52
按与对比实施例27所述相同方法,制得列在表8~11中的油状化合物。
表8
表9
表10
表11
对比实施例53
按与对比实施例21所述的相同方法。获得N-〔4-〔(4-甲氧苯基)硫代〕丁基〕邻苯二甲酰亚胺,并在丙酮-异丙醚中重结晶,m.p.61-62℃。
对比实施例54
按与对比实施例1所述的相同方法,获得N-〔4-〔(2-噻唑基)硫代〕丁基〕邻苯二甲酰亚胺并在乙醇中重结晶,m.p.60-61℃。
对比实施例55
按与对比实施例1中所述的相同方法,获得N-〔4-〔(1-甲基-1,2,3,4-四唑-5-基〕硫代〕丁基〕邻苯二甲酰亚胺并在乙醇中重结晶,m.p.92-93℃。
对比实施例56
按与对比实施例27中所述的相同方法,制得油状的4-〔(4-甲氧苯基)硫代〕丁胺。
NMR(δ ppm in CDCl3):1.50(2H,s),1.53-1.88(4H,m),2.77(2H,t,J=7Hz),3.77(3H,s),3.93(2H,t,J=7Hz),6.83(4H,s).
对比实施例57
按与对比实施例27所述的相同方法。制得油状的4-〔(4-甲氧苯基)硫代〕丁胺。
NMR(δ ppm in CDCl3):1.37(2H,s),1.52-1.67(2H,m),1.82(2H,m),2.74(2H,t,J=7Hz),3.24(2H,t,J=7Hz),7.21(1H,d,J=3Hz),7.67(1H,d,J=3Hz).
对比实施例58
按与对比实施例27所述的相同方法,制得油状的4-〔(1-甲基-1,2,3,4-四唑-2-基)硫代〕丁胺。
NMR(δ ppm in CDCl3):1.61(2H,m),1.69(2H,s),1.88(2H,m),2.77(2H,t,J=7Hz),3.37(2H,t,J=7Hz),3.92(3H,s).
实例1
将4-(苯硫基)丁胺(7.90g)、原甲酸乙酯(12.9g)和亚磷酸二乙酯(24.1g)在150℃下搅拌过夜。将反应混合物在减压下浓缩,残余物用硅胶柱色谱分离。从用氯仿-甲醇(50∶1,V/V)洗脱的部分中获得无色油状4-(苯硫基)丁基亚甲基双膦酸四乙酯(11.1g,54%)。
NMR(δ in CDCl3):1.34(12H,t,J=7Hz),1.50-1.70(4H,m),2.85(2H,t,J=7Hz),2.93(2H,t,J=7Hz),3.23(1H,t,J=22Hz),4.12-4.30(8H,m),7.10-7.40(5H,m).
实例2
按与实例1相同的方法,由4-(4-氯代苯硫基)丁胺制得4-(4-氯代苯硫基)丁氨基亚甲基双膦酸四乙酯(40%)无色油状物。
NMR δ(CDCl3):1.34(12H,t,J=7Hz),1.55-1.70(4H,m),2.86(2H,t,J=7Hz),2.90(2H,t,J=7Hz),3.23(1H,t,J=22Hz),4.12-4.29(8H,m),7.24(4H,s).
实例3
按与实例1相同的方法,由3-(苯硫基)丙胺制得无色油状的(3-(苯硫基)丙氨基亚甲基双膦酸四乙酯(33%)。
NMR δ(CDCl3):1.35(12H,t,J=7Hz),1.65-1.80(2H,m),2.95(2H,d,J=7Hz),3.01(2H,d,J=7Hz),3.27(1H,t,J=22Hz),4.10-4.30(8H,m),7.10-7.40(5H,m).
实例4
按与实例1相同的方法,由3-(苯硫基)乙胺制得无色油状2-(苯硫基)乙氨基亚甲基双膦酸四乙酯(28%)。
NMR δ(CDCl3):1.33(12H,t,J=7Hz),3.5(4H,s),3.27(1H,t,J=22Hz),4.12-4.29(8H,m),7.14-7.40(5H,m).
实例5
将4-(苯硫基)丁氨亚甲基双膦酸四乙酯(11.1g)溶在浓盐酸(150ml)中,将混合物回流2.5小时。
减压下浓缩反应混合物后,加水并过滤收集析出的晶体,得白色粉末状4-(苯硫基)丁氨基亚甲基双膦酸(4.94g)。将甲醇钠(28%甲醇溶液13.3g)加到该粉末(4.08g)在甲醇(50ml)中的悬浮液中,并将生成物在室温下搅拌1小时,然后减压浓缩。将甲醇加到残余物中,过滤收集析出的白色晶体,并在水-甲醇中重结晶,得白色粉末状4-(苯硫基)丁氨基亚甲基双膦酸四钠(3.90g,43%)。
熔点:大于300℃
C11H15NO6SP2Na4·H2O的元素分析:
计算值:C,28.65;H,3.72;N,3.04
实测值:C,28.50;H,3.69;N,2.95
NMR δ(D2O):1.67-1.86(4H,m),2.91(1H,t,J=17Hz),3.06(2H,t,J=7Hz),3.24(2H,t,J=7Hz),7.25-7.50(5H,m).
实例6
按与实例5相同的方法,由4-(4-氯代苯硫基)丁氨基亚甲基双膦酸酯制得白色粉末状4-(4-氯代苯硫基)丁氨基亚甲基双膦酸四钠(68%,重结晶溶剂:水-甲醇)。
元素分析:C11H14ClNO6SP2Na4· 1/2 H20
计算值:C,27.15;H,3.11;N,2.88
实测值:C,27.28;H,3.40;N,2.94
NMR δ(D2O):1.65-1.90(4H,m),2.90(1H,t,J=17Hz),3.04(2H,t,J=7Hz),3.23(2H,t,J=7Hz),7.39(4H,s).
实例7
按与实例5相同的方法,由3-(苯硫基)丙氨基亚甲基双膦酸四乙酯制得3-(苯硫基)丙氨基亚甲基双膦酸四钠(45%,重结晶溶剂:水-甲醇)。
C10H13NO6SP2Na4·H2O的元素分析:
计算值:C,26.86;H,3.38;N,3.13
实测值:C,27.12;H,3.48;N,2.97
NMR δ(D2O):2.00(2H,quintet,J=7Hz),2.89(1H,t,J=17Hz),3.10(2H,d,J=7Hz),3.32(2H,d,J=7Hz),7.25-7.55(5H,m).
实例8
按与实例5相同的方法,由2-(苯硫基)乙氨基亚甲基双膦酸酯制得白色粉末状的2-(苯硫基)乙基亚甲基双膦酸四钠(43%,重结晶溶剂:水-甲醇)。
熔点:大于300℃
C9H11NO6SP2Na4· 1/2 H2O的元素分析:
计算值:C,25.48;H,2.85;N,3.30
实测值:C,25.37;H,2.90;N,3.19
NMR δ(D2O):2.75(1H,t,J=17Hz),3.24(4H,s),7.27-7.57(5H,m).
实例9
按与实例1相同的方法,由4-(2-吡啶硫基)丁胺制得无色油状的4-(2-吡啶硫基)丁氨基亚甲基双膦酸四乙酯(产率:54%)。
NMR δ(CDCl3):1.34(12H,t,J=7Hz),1.60-1.90(4H,m),2.88(2H,t,J=7Hz),3.18(2H,t,J=7Hz),3.26(1H,t,J=22Hz),4.10-4.30(8H,m),6.96(1H,ddd,J=7,5,1Hz),7.16(1H,add,J=8.7,2Hz),7.47(1H,add,J=8.7,2Hz),8.42(1H,ddd,J=5,2,1Hz).
实例10
将由4-(2-吡啶硫基)丁氨基亚甲基双膦酸四乙酯(2.50g)和盐酸(40ml)组成的溶液在回流下搅拌3小时。减压下浓缩反应混合物,将丙酮加到残余物中,并过滤收集白色沉淀,在水-甲醇中重结晶,得白色粉末状4-(2-吡啶硫基)丁氨基亚甲基双膦酸盐酸盐。(1.46g,70%)熔点:176-178℃。
C10H18N2O6SP2·HCl的元素分析:
计算值:C,30.58;H,4.88;N,7.13
实测值:C,30.59;H,5.10;N,7.02
NMR δ(D2O):1.80-2.00(4H,m),3.35-3.47(4H,m),3.53(1H,t,J=17Hz),7.70(1H,dd,J=7,6Hz),7.95(1H,d,J=8Hz),8.36(1H,dd,J=8,7Hz),8.53(1H,d,J=6Hz).
实例11-31
按与实例相同的方法,制得表12-15所列油状化合物。
表12
表13
表14
表15
实例32
将间氯过苯甲酸(487mg)分多次且每次用少量加到用冰冷却的由4-(苯硫基)丁氨基亚甲基双膦酸四乙酯(1.20g)和二氯甲烷(10ml)组成的溶液中,然后,在0℃下将混合物搅拌2小时。反应混合物依次用亚硫酸氢钠水溶液,饱和的碳酸氢钠水溶液和水洗涤,然后干燥(MgSO4)并浓缩。将残余物进行色谱(硅胶柱色谱分离)并从用氯仿-甲醇(50∶1,V/V)洗脱的部分获得无色油状4-(苯亚磺酰)丁基亚甲基双膦酸四乙酯(1.05g,85%)。
NMR(δ ppm in CDCl3):1.34(12H,t,J=7Hz),1.45-2.00(4H,m),2.82(2H,t,J=7Hz),2.85(2H,t,J=7Hz),3.21(1H,t,J=22Hz),4.08-4.32(8H,m),7.48-7.67(5H,m).
实例33-35
按与实例32相同的方法,制得表16中的化合物。
表16
实例36-39
按与实例5相同的方法,制得表17中的化合物。
表17
实例40
将溴代三甲基硅烷(1.80g)滴加到由4-〔(2-吡啶-1-氧化物)硫代〕丁氨基亚甲基双膦酸四乙酯(1.14g)和乙腈(20ml)组成的溶液中,并将生成物在室温下搅拌过夜。加水到反应混合物中,再搅拌混合物1小时,然后减压浓缩。将残余物溶在甲醇(10ml)中,向其中加入甲醇钠(28%甲醇溶液,2.72g),将生成物在室温下搅拌1小时并减压浓缩。将丙醇加入到残余物中后,过滤收集析出的沉淀,在水-甲醇中重结晶,得白色粉末状4-〔(2-吡啶-1-氧化物)硫代)〕丁氨基亚甲基双膦酸三钠(220mg,20%)。熔点:大于300℃。
C10H15N2O7P2SNa3·1.5H2O的元素分析:
计算值:C,25.82;H,3.90;N,6.02
实测值:C,26.16;H,3.80;N,5.88
实例41
将溴代三甲基硅烷(13.8g)加到由4-(2-嘧啶硫基)丁氨基亚甲基双膦酸四乙酯(7.0g)和乙腈(70ml)组成的溶液中,并将生成物在室温下搅拌15小时。加水(15ml)后,将反应混合物减压浓缩。将由甲醇钠和甲醇组成的溶液(28%,18.0g)和醚(100ml)加到残余物中,过滤收集析出的晶体并在水-甲醇中重结晶,得4-(2-嘧啶硫基)丁氨基亚甲基双膦酸四钠-水合物(2.1g,30%),它为无色棱晶。熔点:大于300℃
C9H13N3O6P2SNa4·H2O的元素分析:
计算值:C,23.34;H,3.26;N,9.07
实测值:C,23.69;H,3.57;N,8.95
实例42-50
按与实例41相同的方法,制得表18中的化合物。
表18
实例51
将3-(4-吡啶硫基)丙氨基亚甲基双膦酸四乙酯(7.4g)和浓盐酸(50ml)的混合物回流加热2小时,然后减压浓缩。过滤收集残余晶体,得3-〔4-吡啶硫基)丙氨基亚甲基双膦酸酯 1/2 水合物(4.3g,77%)并在水中重结晶。
熔点:280~281℃
C9H16N2O6P2S· 1/2 H2O的元素分析:
计算值:C,30.77;H,4.87;N,7.98;
实测值:C,30.60;H,5.09;N,7.92;
实例52-60
按实例51的相同方法,制得表19中的化合物。
表19
实例61
将5-(2-吡啶硫基)戊氨基亚甲基双膦酸酯-水合物悬浮在甲醇(20ml)中,将甲醇钠的甲醇溶液(28%,1.0g)加到其中,然后将生成物在室温下搅拌5小时。将反应混合物减压浓缩并将残余固体在水-甲醇中重结晶,得5-(2-吡啶硫基)戊氨基亚甲基双膦酸二钠1.5水合物(0.591g,69%)。
熔点:大于300℃
C11H18N2O6P2SNa2·1.5H2O的元素分析:
计算值:C,29.94;H,4.80;N,6.35;
实例值:C,30.05;H,4.58;N,6.35;
实例62-65
按与实例61相同的方法,制得表20中的化合物。
表20
实例66
按与实例1相同的方法,制得油状的4-〔(4-甲氧苯基)硫代〕丁氨基亚甲基双膦酸四乙酯。
NMR(δ ppm in CDCl3):1.35(12H,t,J=7Hz),1.58-1.90(4H,m),2.91(2H,t,J=7Hz),3.27(12H,t,J=22Hz),3.77(3H,s),3.91(2H,t,J=7Hz),4.12-4.30(8H,m),6.82(4H,s).
实例67
按与实例1相同的方法,制得油状的4-〔〔2-噻唑〕硫代〕丁氨基亚甲基双膦酸四乙酯。
NMR(δ ppm in CDCl3):1.34(12H,t,J=7Hz),1.58-1.69(3H,m),1.76-1.87(2H,m),2.88(2H,t,J=7Hz),3.23(2H,t,J=7Hz),3.24(1H,t,J=22Hz),4.13-4.29(8H,m),7.21(1H,d,J=3Hz),7.66(1H,d,J=3Hz).
实例68
按与实例1相同的方法,制得油状的4-〔(1-甲基-1,2,3,4-四唑-5-基)硫代〕丁氨基亚甲基双膦酸四乙酯。
NMR(δ ppm in CDCl3):1.35(12H,t,J=7Hz),1.59-1.93(5H,m),2.89(2H,t,J=7Hz),3.24(1H,t,J=22Hz),3.38(2H,t,J=7Hz),3.92(3H,s),4.14-4.31(8H,m).
实例69
按与实例55相同的方法,制得4-〔(4-甲氧苯基)硫代〕丁氨基亚甲基双膦酸,熔点188-189℃。
C12H21NO7P2S·H2O的元素分析:
计算值:C,37.22;H,5.99;N,3.62;
实测值:C,36.99;H,6.19;N,3.74;
实例70
按实例61相同的方法,制得4-〔(4-甲氧苯基)硫代〕丁氨基亚甲基双膦酸二钠并在水-甲醇中重结晶,熔点;大于300℃。
C12H19NO7P2SNa2·2H2O的元素分析:
计算值:C,32.08;N,5.16;N,3.12;
实测值:C,32.05;N,5.06;N,3.26;
实例71
将溴代三甲基硅烷(12.27g)加到由4-〔(2-噻唑基)硫代〕丁氨基亚甲基双膦酸四乙酯(6.34g)和乙腈(100ml)组成的溶液中,将混合物在室温下搅拌15小时。加水(3.3ml)到反应混合物中并减压浓缩。将残余物悬浮在甲醇(50ml)中并将甲醇钠(28%甲醇溶液,15.5ml)加入其中。用醚(150ml)处理该混合物,过滤掉析出的固体并在水-甲醇中重结晶,得4-〔(2-唑噻基)硫代〕丁氨基亚甲基双膦酸二钠(3.36g),熔点,大于300℃。
C8H14N2O6P2S2Na2·2.5H2O的元素分析:
计算值:C,21.29;H,4.24;N,6.21;
实测值:C,21.11;H,4.42;N,6.08;
实例72
按与实例40相同的方法,制得4-〔(1-甲基-1,2,3,4-四唑-5-基)硫代〕丁氨基亚甲基双膦酸四钠并在水-甲醇中重结晶,其熔点大于300℃。
C7H15N2O7P2Na4的元素分析:
计算值:C,18.00;H,3.24;N,14.99;
实测值:C,18.25;H,3.62;N,14.70;
实例73
按与实例10相同的方法,制得4-〔(2-吡啶基)磺酰亚基〕丁氨基亚甲基双膦酸并在水乙醇中重结晶,其熔点:235-240℃。
C10H18N2O7P2SOH2O的元素分析:
计算值:C,30.77;H,5.17;N,6.67;
实测值:C,30.87;H,5.28;N,6.79;
实例74
向4-(苯硫基)丁氨基亚甲基双膦酸四乙酯(2.5g)的乙醇(20ml)溶液中加入由氢氧化钠(450mg)和乙醇(20ml)组成的溶液。将混合物回流加热4小时并减压浓缩。将残余物溶在水中并将溶液在AmberliteCG50(H+型)上色谱分离并用水洗脱,得4-(苯硫基)丁氨基亚甲基双膦酸二乙酯-钠盐(810mg)。将生成物在甲醇-己烷中重结晶,熔点:143-145℃。
NMR(δ ppm in D2O):1.27(6H,t,J=7Hz),1.65-1.95(4H,m),3.05(2H,t,J=7Hz),3.3-3.4(2H,m),3.46(1H,t,J=18.5Hz),3.9-4.1(4H,m),7.25-7.5(5H,m).
C15H26NO6P2SNa· 1/2 H2O的元素分析:
计算值:C,40.73;H,6.15;N,3.17;
实测值:C,40.70;H,6.18;N,3.25;
实例75
将溴代三甲基硅烷(0.98g)加入到由4-(苯硫基)丁氨基亚甲基双膦酸四乙酯(1.0g)和乙腈(10ml)组成的溶液中,将混合物在室温下搅拌2天。加水到反应混合物中并减压浓缩。过滤掉残余的固体并在4-(苯硫基)丁氨基亚甲基双膦酸乙酯(3.36g)中重结晶,熔点:189-190℃。
NMR(δ ppm in d6-DMSO):1.17(3H,t,J=7Hz),1.5-1.9(4H,m),2.96(2H,t,J=7Hz),3.16(2H,broad t,J=7Hz),3.36(1H,t,J=18Hz),3.8-4.0(2H,m),7.1-7.3(5H,m),7.48(3H,broad s).
C13H23NO6P2S· 1/2 H2O的元素分析:
计算值:C,39.80;H,6.17;N,3.57;
实测值:C,39.93;H,6.00;N,3.66;
实例76
将4-(苯硫基)丁氨基亚甲基双膦酸乙酯0.5水合物(0.2g)溶在1N NaOH(0.5ml)中,用1N NaOH调节溶液,使其PH=7。将该溶液在Ambelite CG-50(H+型)上进行柱色谱分离并用水洗脱,得4-(苯硫基)丁氨基亚甲基双膦酸乙酯-钠盐(120mg)。将生成物在水-乙醇中重结晶,熔点167-169℃。
NMR(δ ppm in D2O):1.26(3H,t,J=7Hz),1.65-2.0(4H,m),3.05(2H,t,J=7Hz),3.3-3.45(2H,m),3.47(1H,t,J=18Hz),3.9-4.1(4H,m),7.25-7.5(5H,m).
C13H22NO6P2SNa· 1/2 H2O的元素分析:
计算值:C,37.69;H,5.60;N,3.38;
实测值:C,37.31;H,5.48;N,3.41;
Claims (16)
1、一种式(Ⅰ)的双膦酸衍生物或其盐
式中A是任意被取代的环基;R1是氢原子或低级烷酰基;R2、R3R4和R5是相同或不同的氢原子或低级烷基;m是0,1或2;和n是2~10的整数。
2、一种按权利要求1的化合物,其中任意被取代的环基是C6~14芳烃基;含有1~4个杂原子的5或6原子芳香杂环基;含有1~4个氮、氧和/或硫原子的5或6原子芳香杂环基,它可与C6~14芳烃环共轭或与含1~4个氮、氧和/或硫原子的5或6原子芳香杂环共轭;C3~7环烷基或含有1~4个杂原子的5或6原子非芳香杂环基;任意被1~4个选自下列基团取代基取代的环基:(1)卤原子,(2)硝基,(3)可被1~3个选自卤原子、羟基和C1~6烷氧基取代的C1~7烷基,(4)可被1~3个选自卤原子、羟基和C1~6烷氧基取代的C3~7环烷基,(5)羟基,(6)选自下列基团的保护羟基:C1~6烷氧基、C4~6环烷氧基、C2~6链烯酰基、C6~19芳烷氧基、C2~7烷酰氧基和C6~14芳氧基,这些基团可被1~3个选自卤素、羟基和C1~6烷氧基的基团取代,(7)硫羟基和(8)选自下列基团的被保护硫羟基:C1-6烷硫基、C4-7环烷硫基、C7-19芳烷硫基和C2-7烷酰硫基,这些基团可被1-3个选自卤素、羟基和C1-6烷氧基的基团取代。
3、按权利要求1的化合物,其中R1代表的低级烷酰基是,C1-6烷基-酰基基团。
4、按权利要求1的化合物,其中R2、R3、R4和R5代表的低级烷基是C1-4烷基。
5、按权利要求1的化合物,其中A是苯基。
6、按权利要求1的化合物,其中A是吡啶基。
7、按权利要求1的化合物,它是4-(苯硫基)丁氨基亚甲基双膦酸,或其盐或其C1-4烷酯。
8、按权利要求1的化合物,它是4-(苯硫基)丁氨基亚甲基双膦酸。
9、按权利要求1的化合物,它是4-(2-吡啶硫基)丁氨基亚甲基双膦酸,或其盐或其C1-4烷酯。
10、按权利要求1的化合物,它是4-(2-吡啶硫基)丁氨基亚甲基双膦酸。
11、按权利要求1的化合物,它是4-〔(4-甲氧苯基)硫基〕丁氨基亚甲基双膦酸,或其盐或其C1-4烷酯。
12、按权利要求1的化合物,它是4-〔1-甲基-1,2,3,4-四唑-5-基〕硫基〕丁氨基亚甲基双膦酸,或其盐或其C1-4烷酯。
13、按权利要求1的化合物,它是4-〔(2-噻唑基)硫基〕丁氨基亚甲基双膦酸,或其盐或C1-4烷酯。
15、一种骨吸收抑制剂,它包含权利要求1的式(Ⅰ)化合物或其盐和药用载体、稀释剂或赋形剂。
16、一种抑制骨质吸收作用的方法,它包括将有效量的式(Ⅰ)化合物或其盐,必要时与药用载体、稀释剂或赋形剂一起给患有骨质疏松病的病人服用。
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IL86951A (en) * | 1987-07-06 | 1996-07-23 | Procter & Gamble Pharma | Methylene phosphonoalkylphosphinates and pharmaceutical preparations containing them |
CA1339805C (en) * | 1988-01-20 | 1998-04-07 | Yasuo Isomura | (cycloalkylamino)methylenebis(phosphonic acid) and medicines containing the same as an active |
JPH01258695A (ja) * | 1988-04-07 | 1989-10-16 | Yamanouchi Pharmaceut Co Ltd | (ピラゾリルアミノ)メチレンビス(ホスホン酸)誘導体及びその医薬 |
US4933472A (en) * | 1988-04-08 | 1990-06-12 | Yamanouchi Pharmaceutical Co., Ltd. | Substituted aminomethylenebis(phosphonic acid) derivatives |
PH26923A (en) * | 1989-03-08 | 1992-12-03 | Ciba Geigy | N-substituted amino alkanediphosphonic acids |
-
1991
- 1991-06-19 IE IE211591A patent/IE912115A1/en unknown
- 1991-06-21 AT AT91110239T patent/ATE127123T1/de not_active IP Right Cessation
- 1991-06-21 DE DE69112511T patent/DE69112511T2/de not_active Expired - Fee Related
- 1991-06-21 EP EP91110239A patent/EP0464509B1/en not_active Expired - Lifetime
- 1991-06-24 NO NO91912462A patent/NO912462L/no unknown
- 1991-06-24 AU AU79287/91A patent/AU637508B2/en not_active Ceased
- 1991-06-24 CA CA002045293A patent/CA2045293A1/en not_active Abandoned
- 1991-06-24 HU HU912105A patent/HUT57787A/hu unknown
- 1991-06-24 JP JP03151484A patent/JP3072390B2/ja not_active Expired - Fee Related
- 1991-06-24 FI FI913067A patent/FI913067A/fi not_active Application Discontinuation
- 1991-06-25 KR KR1019910010616A patent/KR920000778A/ko not_active Application Discontinuation
- 1991-06-25 CN CN91104316A patent/CN1057654A/zh active Pending
-
1993
- 1993-01-19 US US08/003,955 patent/US5376647A/en not_active Expired - Fee Related
-
1994
- 1994-09-09 US US08/303,665 patent/US5512552A/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110114366A (zh) * | 2016-06-03 | 2019-08-09 | 百奥维骨有限责任公司 | 双膦酸喹诺酮缀合物及其用途 |
US11840549B2 (en) | 2016-06-03 | 2023-12-12 | Biovinc, Llc | Bisphosphonate quinolone conjugates and uses thereof |
Also Published As
Publication number | Publication date |
---|---|
ATE127123T1 (de) | 1995-09-15 |
EP0464509A1 (en) | 1992-01-08 |
DE69112511D1 (de) | 1995-10-05 |
US5376647A (en) | 1994-12-27 |
HUT57787A (en) | 1991-12-30 |
US5512552A (en) | 1996-04-30 |
CA2045293A1 (en) | 1991-12-26 |
JP3072390B2 (ja) | 2000-07-31 |
JPH05294979A (ja) | 1993-11-09 |
NO912462L (no) | 1991-12-27 |
EP0464509B1 (en) | 1995-08-30 |
DE69112511T2 (de) | 1996-02-08 |
KR920000778A (ko) | 1992-01-29 |
IE912115A1 (en) | 1992-01-01 |
FI913067A (fi) | 1991-12-26 |
NO912462D0 (no) | 1991-06-24 |
FI913067A0 (fi) | 1991-06-24 |
AU637508B2 (en) | 1993-05-27 |
AU7928791A (en) | 1992-01-02 |
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