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diethyl <(2-bromo-4-chlorophenyl)methyl>phosphonate | 78347-96-3

中文名称
——
中文别名
——
英文名称
diethyl <(2-bromo-4-chlorophenyl)methyl>phosphonate
英文别名
2-bromo-4-chloro-1-(diethoxyphosphorylmethyl)benzene;diethyl 2-bromo-4-chlorobenzylphosphonate;diethyl [(2-bromo-4-chlorophenyl)methyl]phosphonate
diethyl <(2-bromo-4-chlorophenyl)methyl>phosphonate化学式
CAS
78347-96-3
化学式
C11H15BrClO3P
mdl
——
分子量
341.569
InChiKey
KCFKXRVXGKLGMF-UHFFFAOYSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

物化性质

  • 沸点:
    131-133 °C(Press: 0.02 Torr)
  • 密度:
    1.442±0.06 g/cm3(Predicted)

计算性质

  • 辛醇/水分配系数(LogP):
    3
  • 重原子数:
    17
  • 可旋转键数:
    6
  • 环数:
    1.0
  • sp3杂化的碳原子比例:
    0.45
  • 拓扑面积:
    35.5
  • 氢给体数:
    0
  • 氢受体数:
    3

反应信息

  • 作为反应物:
    描述:
    diethyl <(2-bromo-4-chlorophenyl)methyl>phosphonate 在 Rh on carbon 吗啉氢气 、 sodium hydride 作用下, 以 甲醇乙二醇二甲醚乙醇 为溶剂, 25.0 ℃ 、2.41 MPa 条件下, 反应 6.0h, 生成 2-(2-Bromo-4-chlorophenethyl)-5-chloroaniline
    参考文献:
    名称:
    取代的10,11-dihydro-5 H -dibenz [ b,f ]氮杂s的合成;药物活性化合物合成中的关键合成子
    摘要:
    取代10,11-dihydro-5 H -dibenz [ b,f ]氮杂are是许多药物活性化合物(如丙咪嗪,氯丙咪嗪和地丙丙胺类似物)的合成中的关键合成子。描述了从商业上可获得的2-溴甲苯或2-硝基甲苯开始的容易的取代的10,11-二氢-5 H -dibenz [ b,f ]氮杂合成。用N初始α-溴化-溴代琥珀酰亚胺并随后与亚磷酸三乙酯反应,得到相应的苄基膦酸酯衍生物。与苯甲醛衍生物反应后,获得了预期的霍纳-埃蒙斯反应产物。氢化得到氨基衍生物,其被转化为相应的甲酰胺。在Goldberg条件[1]下,进行了最后的闭环步骤,以46-75%的产率得到了取代的10,11-dihydro-5 H -dibenz [ b,f ]氮杂s。
    DOI:
    10.1002/jhet.5570360110
  • 作为产物:
    参考文献:
    名称:
    一种抑郁症药物杂质异构体的制备方法
    摘要:
    本发明涉及一种抑郁症药物杂质异构体的制备方法,它包括以下步骤:(a)将高碘酸钠、水和DMF进行混合;(b)倒入冰水中,用碱液调节pH并分层萃取,纯化得化合物4;在120~150℃反应后柱层析分离得化合物5;(c)将所述化合物3和所述化合物5加入乙二醇二甲醚中,在冰水浴的条件下加入氢化钠,升温至40~60℃反应20~40分钟,再升温回流;(d)将所述化合物6与铑炭催化剂、吗啉、甲醇和乙醇进行混合,在氢气气氛下进行反应,抽滤旋干滤液得化合物7;(e)将所述化合物7与甲酸、甲酸钠进行混合,升温至100~120℃进行回流反应;(g)将所述化合物10溶于甲苯中,在惰性气体气氛中加入氢化钠,升温反应。这样能够获得纯度高的抑郁症药物杂质异构体,以用于杂质精确对照。
    公开号:
    CN108409660A
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文献信息

  • [EN] EFFLUX-PUMP INHIBITORS AND THERAPEUTIC USES THEREOF<br/>[FR] INHIBITEURS DE LA POMPE À EFFLUX ET UTILISATIONS THÉRAPEUTIQUES CORRESPONDANTES
    申请人:BASILEA PHARMACEUTICA AG
    公开号:WO2016198691A1
    公开(公告)日:2016-12-15
    The present invention relates to compounds of formula I or pharmaceutically acceptable salt, solvate or hydrate thereof, wherein ASC is -N(R8)(R9)ASC-1 ASC-1 is Ring A represents a 4- to 6-membered saturated ring containing carbon atoms as ring members in addition to the nitrogen atom and wherein one CH2 moiety in ring A is optionally replaced by CH(R21) and wherein one carbon atom in ring A that is not adjacent to the nitrogen atom is optionally replaced by O, and wherein ring A is connected to X via a carbon atom; X represents a bond, -CH2- or -C(=O)-; ARl, AR2 represent independently phenyl or a 5- to 6- membered heteroaryl ring containing one to three heteroatoms selected from O, S and N, wherein AR1 is connected to LI via a carbon atom, and wherein AR2 is connected to L1 and L2 via a carbon atom; R1, R2, R3 represent independently hydrogen, halogen, cyano, hydroxyl, C1-C6alkyl, C1-C6haloalkyl, C3- C8cycloalkyl, C1-C6alkoxy, C1-C6haloalkoxy, -C1-C6alkylene-N(R12)R13, -N(R12)R13, -C(O)OR11l, - C(O)N(R12)R13, -S(O)OR11 or phenyl; R4 represents hydroxyl, hydrogen, halogen, nitro, cyano, amino, C1-C6alkyl optionally substituted by 1 to 5 R14, C2-C6alkenyl optionally substituted by 1 to 5 R14, C2-C6alkynyl optionally substituted by 1 to 5 R14, C1-C6alkoxy optionally substituted by 1 to 5 R14, C2-C6alkenyloxy optionally substituted by 1 to 5 R14, C2-C6alkynyloxy optionally substituted by 1 to 5 R14, -C(O)OR15, -CHO, -C(O)N(R16)R17, -C1- C6alkylene-N(R9)(R16)R17, -O-Cycle-P or -O-Cycle-Q; R5, R6, R7 represent independently hydrogen, halogen, cyano, Cl-C6alkyl, C1-C6haloalkyl, Cl-C6alkoxy or C1-C6haloalkoxy; R8 represents hydrogen, methyl or ASC-1; R9 is methyl or absent, and wherein when R9 is present the respective nitrogen atom carries a positive charge; R10 represents hydrogen or methyl; Rl11 represents independently at each occurrence hydrogen or C1-C6alkyl; R12, R13 represent independently at each occurrence hydrogen or C1-C6alkyl; R14 represents independently at each occurrence halogen, cyano, hydroxyl, C1-C6alkoxy, C1-C6haloalkoxy, C3-C8cycloalkyl, -C(O)OR11, -CHO, -C(O)N(R12)R13, -C1-C6alkylene-N(R12)R13, Cycle-P, O-Cycle-P, Cycle-Q or O-Cycle-Q; Cycle-P represents independently at each occurrence a saturated or partially unsaturated C3-C8 carbocyclic ring optionally substituted by 1 to 3 R18, or a saturated or partially unsaturated C3-C8 heterocyclic ring optionally substituted by 1 to 3 Rl 8 containing carbon atoms as ring members and one or two ring members independently selected from N(R9)(R12), N(R9) and O; Cycle-Q represents independently at each occurrence phenyl optionally substituted by 1 to 3 R19 or a 5- to 6-membered heteroaryl ring containing one to four heteroatoms selected from O, S and N, optionally substituted by 1 to 3 R19; R15 represents independently at each occurrence hydrogen or C1-C6alkyl optionally substituted by 1 to 5 R14; R16 and R17 represent independently at each occurrence hydrogen or C1-C6alkyl optionally substituted by 1 to 5 R14; R18 and R19 represent independently at each occurrence halogen, cyano, hydroxyl, oxo, amino, C1-C4alkyl, C1-C4haloalkyl, C1-C4alkoxy, Cl-C4haloalkoxy or -CO(O)R11; R20 represents independently at each occurrence hydrogen or methyl; R21 represents N(R20)2 or CH2-N(R20)2; LI represents -CH=CH-, -CH2-O-, -O-CH2-, -CH2-O-CH2-,-CH2-S-, -S-CH2-, -CH2-S(O)-, -CH2-S(O2)-, -S(O)-CH2-; -S(O2)-CH2-, -C(CH3)(CH3)-, -C(=O)-NH-, -NH-C(=O)-, -CH2-CH2-, -CH=CH-CH2-, - CH2-NH-C(=O)-, -C(=O)-NH-CH2, -C≡C-, -S(O2)-NH-CH2-, -S(02)-NH, -O-CH2-CH2-O-, -O-, -NH- CH2-, -CH2-NH-, -CH2-CH2-O-, or -NH-C(=O)-CH2-O-, or a bond; L2 represents Cl-C7alkylene, wherein one or more CH2 moieties in the alkylene are optionally replaced independently by -N(R9)(R20)-, -CH(N(R9)(R20)(R20))-, or -C(=0)-, wherein within L2 there are no adjacent C(=O) moieties or adjacent -N(R9)(R20)- moieties, and wherein the terminal moiety of L2 is not - N(R9)(R20)-, or L2 represents -O-C1-C6alkylene-, or L2 represents a bond, providing that X represents - CH2- when L2 is a bond; as well as methods of using the compounds of formula I for treating or preventing bacterial infections.
    本发明涉及以下公式I的化合物或其药学上可接受的盐、溶剂或水合物,其中ASC为-N(R8)(R9)ASC-1,ASC-1为环A,表示一个含有碳原子的4-至6-成员饱和环,除氮原子外还包含碳原子,并且环A中的一个CH2基团可以选择性地被CH(R21)取代,环A中的一个非邻氮原子的碳原子可以选择性地被氧取代,环A通过一个碳原子连接到X;X表示一个键,-CH2-或-C(=O)-;AR1、AR2独立表示苯基或一个含有1至3个氧、硫和氮的杂环的5至6-成员环,其中AR1通过一个碳原子连接到L1,AR2通过一个碳原子连接到L1和L2;R1、R2、R3独立表示氢、卤素、氰基、羟基、C1-C6烷基、C1-C6卤代烷基、C3-C8环烷基、C1-C6烷氧基、C1-C6卤代烷氧基、-C1-C6烷基-N(R12)R13、-N(R12)R13、-C(O)OR11l、-C(O)N(R12)R13、-S(O)OR11或苯基;R4表示羟基、氢、卤素、硝基、氰基、氨基、C1-C6烷基,可选地被1至5个R14取代,C2-C6烯基,可选地被1至5个R14取代,C2-C6炔基,可选地被1至5个R14取代,C1-C6烷氧基,可选地被1至5个R14取代,C2-C6烯氧基,可选地被1至5个R14取代,C2-C6炔氧基,可选地被1至5个R14取代,-C(O)OR15,-CHO,-C(O)N(R16)R17,-C1-C6烷基-N(R9)(R16)R17,-O-Cycle-P或-O-Cycle-Q;R5、R6、R7独立表示氢、卤素、氰基、C1-C6烷基、C1-C6卤代烷基、C1-C6烷氧基或C1-C6卤代烷氧基;R8表示氢、甲基或ASC-1;R9为甲基或不存在,当R9存在时,相应的氮原子带有正电荷;R10表示氢或甲基;Rl11独立表示每次出现的氢或C1-C6烷基;R12、R13独立表示每次出现的氢或C1-C6烷基;R14独立表示每次出现的卤素、氰基、羟基、C1-C6烷氧基、C1-C6卤代烷氧基、C3-C8环烷基、-C(O)OR11、-CHO、-C(O)N(R12)R13、-C1-C6烷基-N(R12)R13、Cycle-P、O-Cycle-P、Cycle-Q或O-Cycle-Q;Cycle-P独立表示每次出现的饱和或部分不饱和的C3-C8碳环,可选地被1至3个R18取代,或者可选地被1至3个Rl 8取代的饱和或部分不饱和的C3-C8杂环,含有碳原子作为环成员,并且一个或两个环成员独立选择自N(R9)(R12)、N(R9)和O;Cycle-Q独立表示每次出现的苯环,可选地被1至3个R19取代,或者一个含有1至4个氧、硫和氮的5至6-成员杂环,可选地被1至3个R19取代;R15独立表示每次出现的氢或C1-C6烷基,可选地被1至5个R14取代;R16和R17独立表示每次出现的氢或C1-C6烷基,可选地被1至5个R14取代;R18和R19独立表示每次出现的卤素、氰基、羟基、氧、氨基、C1-C4烷基、C1-C4卤代烷基、C1-C4烷氧基、Cl-C4卤代烷氧基或-CO(O)R11;R20独立表示每次出现的氢或甲基;R21表示N(R20)2或CH2-N(R20)2;LI表示-CH=CH-、-CH2-O-、-O-CH2-、-CH2-O-CH2-、-CH2-S-、-S-CH2-、-CH2-S(O)-、-CH2-S(O2)-、-S(O)-CH2-、-S(O2)-CH2-、-C(CH3)(CH3)-、-C(=O)-NH-、-NH-C(=O)-、-CH2-CH2-、-CH=CH-CH2-、-CH2-NH-C(=O)-、-C(=O)-NH-CH2、-C≡C-、-S(O2)-NH-CH2-、-S(02)-NH、-O-CH2-CH2-O-、-O-、-NH-CH2-、-CH2-NH-、-CH2-CH2-O-或-NH-C(=O)-CH2-O-、或一个键;L2表示Cl-C7烷基,其中烷基中的一个或多个CH2基团可以选择性地独立地被-N(R9)(R20)-、-CH(N(R9)(R20)(R20))-或-C(=0)-取代,在L2内没有相邻的C(=O)基团或相邻的-N(R9)(R20)-基团,并且L2的末端基团不是-N(R9)(R20)-,或者L2表示-O-C1-C6烷基-,或者L2表示一个键,只要X在L2是一个键时表示-CH2-;以及使用公式I的化合物治疗或预防细菌感染的方法。
  • [EN] EFFLUX-PUMP INHIBITORS AND THERAPEUTIC USES THEREOF<br/>[FR] INHIBITEURS DE POMPES À EFFLUX ET LEURS UTILISATIONS THÉRAPEUTIQUES
    申请人:BASILEA PHARMACEUTICA AG
    公开号:WO2017042099A1
    公开(公告)日:2017-03-16
    The present invention relates to compounds of formula I or pharmaceutically acceptable salt, solvate or hydrate thereof wherein ASC is -N(R8)ASC-1; ASC-1 is C 2-C 5alkylene-N(R9a)R9b or C(=O)-C 1-C 4alkylene-N(R9a)R9b, wherein in alkylene in both cases one -CH 2- moiety is optionally replaced by -CH(N(R9a)R9b)- or -N(R9a)- or -CH(CH 3)-; AR1, AR2 represent phenyl; L1 represents -CH=CH-, -CH 2-0-, -(CH 2) 2-O-, -0-CH 2-, -C(CH 3) 2-, -(CH 2) 2- or -CH=CH-CH 2-; L2 represents C1-C 7alkylene, wherein one or more -CH2- moieties in the alkylene are optionally replaced independently by -N(R9a)-, -CH(N(R9a)R9b)-, or -C(=O)-, wherein within L2 there are no adjacent -C(=O)-moieties or adjacent -N(R9a)- moieties, and wherein the terminal moiety of L2 is not -N(R9a)-, or L2 represents -O-C 2-C 6alkylene-; the other definitions are as defined in the claims; and their use in methods of treating a subject with a microbial infection or susceptible to a microbial infection.
    本发明涉及以下式I的化合物或其药学上可接受的盐、溶剂或水合物,其中ASC为-N(R8)ASC-1;ASC-1为C 2-C 5烷基-N(R9a)R9b或C(=O)-C 1-C 4烷基-N(R9a)R9b,其中在这两种情况下,烷基中的一个-CH 2-部分可选地被-CH(N(R9a)R9b)-或-N(R9a)-或-CH(CH 3)-所替代;AR1、AR2代表苯基;L1代表-CH=CH-、-CH 2-0-、-(CH 2) 2-O-、-0-CH 2-、-C(CH 3) 2-、-(CH 2) 2-或-CH=CH-CH 2-;L2代表C1-C 7烷基,其中烷基中的一个或多个-CH2-部分可选地独立地被-N(R9a)-、-CH(N(R9a)R9b)-或-C(=O)-所替代,在L2内没有相邻的-C(=O)-部分或相邻的-N(R9a)-部分,并且L2的末端部分不是-N(R9a)-,或者L2代表-O-C 2-C 6烷基-;其他定义如索权中所定义;以及它们在治疗患有微生物感染或易感染微生物感染的受试者的方法中的用途。
  • [EN] PIPERIDINE, PYRROLIDINE AND 2-OXO-1,3-OXAZINANE DERIVATIVES AS INHIBITORS OF BACTERIAL EFFLUX-PUMPS FOR THE TREATMENT OF MICROBIAL INFECTIONS<br/>[FR] DÉRIVÉS DE PIPÉRIDINE, DE PYRROLIDINE ET DE 2-OXO-1,3-OXAZINANE EN TANT QU'INHIBITEURS DE POMPES À EFFLUX BACTÉRIENNES POUR LE TRAITEMENT D'INFECTIONS MICROBIENNES
    申请人:BASILEA PHARMACEUTICA AG
    公开号:WO2017093157A1
    公开(公告)日:2017-06-08
    The present invention relates to compounds of formula I or pharmaceutically acceptable salt, solvate or hydrate thereof wherein ASC is Ring A represents a 4- to 6-membered saturated ring containing carbon atoms as ring members in addition to the nitrogen atom, wherein a -CH 2 -CH 2 - moiety adjacent to the nitrogen atom is optionally replaced by a -C(=O)-O- moiety to form a carbamate; X represents a bond or -CH 2 -; AR1 and AR2 represent phenyl; R1, R2 and R3 represent independently hydrogen, halogen, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 alkoxy or C 1 -C 6 haloalkoxy; R4 represents hydrogen, halogen, C 1 -C 6 alkyl optionally substituted by 1 to 5 R10a, C 2 -C 6 alkenyl optionally substituted by 1 to 5 R10a, C 1 -C 6 alkylene-R10b, C 2 -C 6 alkenylene-R10b, C(O)OR11a, CHO, C(O)N(R12)R13 or O-R14; R5, R6 and R7 represent independently hydrogen, halogen, C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 1 -C 6 alkoxy or C 1 -C 6 haloalkoxy; R8 represents methyl or is absent, and when R8 is present the respective nitrogen atom carries a positive charge; R9a and R9b represent independently hydrogen or methyl; R10a represents independently at each occurrence halogen, hydroxyl, C 1 -C 6 alkoxy or C 1 -C 6 haloalkoxy; R10b represents C 3 -C 8 cycloalkyl, C(O)OR11a, CHO, C(O)N(R12)R13, N(R12)R13, Cycle-P or Cycle-Q; R11a and R11b represent independently at each occurrence hydrogen or C 1 -C 6 alkyl; R12 and R13 represent independently at each occurrence hydrogen, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl or C 1 -C 4 alkoxy-C 1 -C 4 alkyl; R14 represents C 1 -C 6 alkyl, C 1 -C 6 haloalkyl, C 2 -C 6 alkenyl, C 2 -C 6 haloalkenyl, C 1 -C 6 alkylene-Cycle-P, C 1 -C 6 alkylene-Cycle-Q; Cycle-P represents independently at each occurrence a saturated or partially unsaturated C 5 -C 6 carbocyclic ring optionally substituted by 1 to 3 R15 or a saturated or partially unsaturated 5- or 6-membered heterocyclic ring optionally substituted by 1 to 3 R15 containing carbon atoms as ring members and one or two ring members independently selected from N(R11b) and O; Cycle-Q represents independently at each occurrence phenyl optionally substituted by 1 to 3 R16 or a 5- to 6-membered heteroaryl ring containing one to four heteroatoms independently selected from O, S and N, optionally substituted by 1 to 3 R16; R15 and R16 represent independently at each occurrence halogen, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy or C 1 -C 4 haloalkoxy; L1 represents -CH=CH-, -CH 2 -O-, -(CH 2 ) 2 -O-, -0-CH 2 -, -CH 2 -S-, -(CH 2 ) 2 -S-, -S-CH 2 -, -C(CH 3 ) 2 -, -(CH 2 ) 2 -or -CH=CH-CH 2 -; L2 represents C 1 -C 7 alkylene, wherein one or more -CH 2 - moieties in the alkylene moiety are optionally replaced independently by -C(=O)-, wherein within L2 there are no adjacent -C(=O)- moieties and wherein the terminal moiety of L2 is not -C(=O)-; and discloses their use in methods of treating a subject with a microbial infection or susceptible to a microbial infection in combination with an antimicrobial agent.
    本发明涉及具有式I的化合物或其药学上可接受的盐、溶剂或水合物,其中ASC是环A代表一个含有碳原子的4-至6-成员饱和环,除氮原子外,其中紧邻氮原子的-CH2-CH2-基团可以选择地被-C(=O)-O-基团取代以形成一个碳酸酯;X代表键或-CH2-;AR1和AR2代表苯基;R1、R2和R3分别代表氢、卤素、C1-C6烷基、C1-C6卤代烷基、C1-C6烷氧基或C1-C6卤代烷氧基;R4代表氢、卤素、C1-C6烷基,可选地被1至5个R10a取代,C2-C6烯基,可选地被1至5个R10a取代,C1-C6烷基-R10b,C2-C6烯基-R10b,C(O)OR11a,CHO,C(O)N(R12)R13或O-R14;R5、R6和R7分别代表氢、卤素、C1-C6烷基、C1-C6卤代烷基、C1-C6烷氧基或C1-C6卤代烷氧基;R8代表甲基或不存在,当R8存在时,相应的氮原子带有正电荷;R9a和R9b分别代表独立的氢或甲基;R10a在每次出现时独立地代表卤素、羟基、C1-C6烷氧基或C1-C6卤代烷氧基;R10b代表C3-C8环烷基,C(O)OR11a,CHO,C(O)N(R12)R13,N(R12)R13,Cycle-P或Cycle-Q;R11a和R11b在每次出现时独立地代表氢或C1-C6烷基;R12和R13在每次出现时独立地代表氢、C1-C4烷基、C1-C4卤代烷基或C1-C4烷氧基-C1-C4烷基;R14代表C1-C6烷基、C1-C6卤代烷基、C2-C6烯基、C2-C6卤代烯基、C1-C6烷基-Cycle-P、C1-C6烷基-Cycle-Q;Cycle-P在每次出现时独立地代表饱和或部分不饱和的C5-C6碳环环,可选择地被1至3个R15取代,或者由含有碳原子和一个或两个独立选择的N(R11b)和O的环成员的饱和或部分不饱和的5-或6-成员杂环环,可选择地被1至3个R15取代;Cycle-Q在每次出现时独立地代表苯环,可选择地被1至3个R16取代,或者由含有O、S和N的一个到四个杂原子的5-至6-成员杂环环,可选择地被1至3个R16取代;R15和R16在每次出现时独立地代表卤素、C1-C4烷基、C1-C4卤代烷基、C1-C4烷氧基或C1-C4卤代烷氧基;L1代表-CH=CH-、-CH2-O-、-(CH2)2-O-、-O-CH2-、-CH2-S-、-(CH2)2-S-、-S-CH2-、-C(CH3)2-、-(CH2)2-或-CH=CH-CH2-;L2代表C1-C7烷基,其中烷基基团中的一个或多个-CH2-基团可以独立地被-C(=O)-取代,在L2中没有相邻的-C(=O)-基团,并且L2的末端基团不是-C(=O)-;并且揭示了它们在联合抗菌剂治疗具有微生物感染或易感染微生物感染的受试者的方法中的用途。
  • 一种抑郁症药物杂质异构体关键中间体的制备方法
    申请人:刘可
    公开号:CN108409659A
    公开(公告)日:2018-08-17
    本发明涉及一种抑郁症药物杂质异构体关键中间体的制备方法,它包括以下步骤:(a)将高碘酸钠、水和DMF进行混合;(b)倒入冰水中,用碱液调节pH并分层萃取,纯化得化合物4;在120~150℃反应后柱层析分离得化合物5;(c)将所述化合物3和所述化合物5加入乙二醇二甲醚中,在冰水浴的条件下加入氢化钠,升温至40~60℃反应20~40分钟,再升温回流;(d)将所述化合物6与铑炭催化剂、吗啉、甲醇和乙醇进行混合,在氢气气氛下进行反应,抽滤旋干滤液得化合物7;(e)将所述化合物7与甲酸、甲酸钠进行混合,升温至100~120℃进行回流反应。这样能够获得纯度高的抑郁症药物杂质异构体,以用于杂质精确对照。
  • 一种抑郁症药物杂质异构体氯硝苯基中间体的制备方法
    申请人:刘可
    公开号:CN108707112A
    公开(公告)日:2018-10-26
    本发明涉及一种抑郁症药物杂质异构体氯硝苯基中间体的制备方法,它包括以下步骤:(a)将高碘酸钠、水和DMF进行混合,随后加入所述化合物2的DMF溶液进行反应,反应后取滤液纯化得化合物3;(b)将2‑溴‑4‑氯甲苯、N‑溴代琥珀酰亚胺、过氧化二苯甲酰和四氯化碳进行混合,搅拌并升至80~100℃进行反应;随后倒入冰水中,用碱液调节pH并分层萃取,纯化得化合物4;(c)将所述化合物3和所述化合物5加入乙二醇二甲醚中,在冰水浴的条件下加入氢化钠,升温至40~60℃反应20~40分钟,再升温回流;反应结束后加入体积比为1:1的水和乙酸乙酯,使固体析出、抽滤、干燥得化合物6即可。这样能够获得纯度高的硝苯基中间体,以用于后续高纯度和高收率抑郁症药物杂质异构体的制备。
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