CN116354937A - Pyridine (pyrimidine) amine derivative and application thereof - Google Patents

Pyridine (pyrimidine) amine derivative and application thereof Download PDF

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CN116354937A
CN116354937A CN202211671622.8A CN202211671622A CN116354937A CN 116354937 A CN116354937 A CN 116354937A CN 202211671622 A CN202211671622 A CN 202211671622A CN 116354937 A CN116354937 A CN 116354937A
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amine
isobutoxybenzyl
fluorobenzyl
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pyrimidin
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徐祥清
邱印利
郭强
于民权
赵松
窦飞
靖鹏
侯媛媛
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Nhwa Pharmaceutical Corp
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Abstract

The invention relates to the field of chemical medicine, and provides a compound shown in a formula I, which acts on 5-HT 2A 、5‑HT 2C Receptors for 5-HT 2A Is superior or similar to pimozide. Can be used for treating behavior disorder and psychosis associated with schizophrenia or Parkinson's disease and dementia. The compounds of the present application have antipsychotic activity comparable to pimecroline and less cardiotoxicity than pimecroline.

Description

Pyridine (pyrimidine) amine derivative and application thereof
Technical Field
The invention relates to the field of chemical medicines, in particular to pyridine (pyrimidine) amine derivatives and application thereof.
Background
The Schizophrenia (Schizophrenia) has hidden incidence, low cure rate and higher incidence rate in life. About 0.3-0.7% of the world population is currently affected by schizophrenia during its lifetime, with a global estimated over 2100 tens of thousands of schizophrenic patients in 2016; the existing anti-schizophrenia drugs mainly comprise typical anti-schizophrenia drugs and atypical anti-schizophrenia drugs, but the current anti-schizophrenia therapeutic drugs block dopamine receptors strongly, so that adverse reactions such as extrapyramidal reaction (EPS), tardive dyskinesia, increase of prolactin and the like are caused. In the medical field, although various types of active compounds acting on different targets are available for the treatment of Sleep disorders (Sleep disorders), adverse reactions such as addiction, drug resistance and sequelae remain unsolved.
Traditionally, it is customary to block dopamine D by 2 Antipsychotics whose receptors exert pharmacological effects are known as first-generation antipsychotics, i.e. "typical" antipsychotics (e.g. haloperidol), which are breakthrough in the treatment of positive symptoms of schizophrenia but fail to treat negative symptoms and cognitive disorders. Typical antipsychotics generally have severe EPS side effects and are ineffective in one third of schizophrenic patients.
After the 60 s of the 20 th century, a series of new generation antipsychotics including Ziprasidone (Ziprasidone), risperidone (Risperidone) and the like, which are called second generation antipsychotics, i.e., novel antipsychotics, which have common pharmacological characteristics, i.e., 5-hydroxytryptamine (5-HT) receptor (5-HT), although their respective pharmacological actions are not completely consistent 1A、2A、2C ) And Norepinephrine (NA) receptor (alpha) 1 、α 2 ) Far aligned with D 2 The receptor is high. Compared with the first-generation antipsychotics, the clinical effect of the traditional Chinese medicine composition has more advantages, is effective on positive symptoms and traditional antipsychotics, is effective on negative symptoms and cognition deficiency symptoms, has a wider action spectrum, and has adverse reactions such as QT interval prolongation, hyperprolactinemia, weight gain and the like. Thus, finding drugs that are effective against positive, negative symptoms and cognitive impairment of schizophrenia with small side effects is a hotspot of current research.
The 5-hydroxytryptamine system plays a role in the function of the regulated prefrontal cortex (PFC)Plays an important role, including emotion control, cognitive behavior and working memory. Pyramidal neurons of PFC and GABA interneurons comprise several 5-HT with a particularly high density of serotonin receptor subtypes 1A And 5-HT 2A . PFC and NMDA receptor channels have recently been demonstrated to be 5-HT 1A The targets of R, these two receptors regulate cortical excitatory neurons, affecting cognitive function. Indeed, various preclinical data indicate 5-HT 1A R may be a new target for the development of antipsychotic drugs. Atypical antipsychotics (such as olanzapine, aripiprazole, etc.) against 5-HT 1A The high affinity of R and its low EPS side effects both indicate that the 5-hydroxytryptamine system plays an important role in the function of the regulated prefrontal cortex (PFC), including mood control, cognitive behavior and working memory. Pyramidal neurons of PFC and GABA interneurons comprise several 5-HT with a particularly high density of 5-hydroxytryptamine receptor subtypes 1A And 5-HT 2A . Recent studies have shown 5-HT 1A Agonists are associated with atypical antipsychotic therapy and improve negative symptoms and cognitive dysfunction. In the treatment of schizophrenia with the atypical antipsychotic drug clozapine, 5-HT has been found 2A Play an important role in this context, involving various aspects of perception, mood regulation and motor control. Blocking 5-HT 2A The receptor can normalize dopamine release and act as an antipsychotic. In addition, 5-HT 2C The receptors are closely related to weight gain.
Pimavanserin is a p-5-HT 2A Inverse agonists with high affinity, 5-HT 2C Antagonists, shown by in vitro experiments, against 5-HT 2A Affinity of receptor [ inhibition constant (Ki) of 0.4nm]Compared with 5-HT 2C High (ki=16 nm), for 5-HT 2B Receptors, dopamine receptors (including D 2 None of the receptors, adrenergic receptors, muscarinic receptors or calcium channel receptors have significant affinity (Ki)>300 nm). The medicine was approved by the U.S. food and drug administration for 4 months in 2016 to be marketed under the trade name Nuplazid TM The Chinese medicinal composition is mainly used for treating parkinsonism symptoms such as illusion and illusion.
Therefore, there is a need to find a composition that is effective against both positive and negative symptoms, improves cognitive impairment and prevents extrapyramidal side effects, including tardive dyskinesia, parkinson's disease; and can reduce weight gain.
The invention comprises the following steps:
the present invention aims to solve at least one of the technical problems existing in the prior art, and therefore, an object of the present invention is to provide pyridine (pyrimidine) amine derivatives and uses thereof, such as compounds represented by formula I or pharmaceutically acceptable salts thereof:
Figure BDA0004013333460000021
Z, Q are each independently selected from C, N and Z, Q are not simultaneously C;
R 13 is C 1 -C 5 Straight or branched alkyl of (a);
R 1 selected from the structures of H and formula II,
R 2 in the absence of the H or formula II structure,
Figure BDA0004013333460000031
a is C or N;
R 6 is H or halogen; r is R 7 Is H or OH;
R 5 selected from H,
Figure BDA0004013333460000032
R 4 Is H, halogen or a structure of formula III, or R 5 And R is R 4 Forming benzene ring;
Figure BDA0004013333460000033
wherein in formula III, n1 is an integer of 0 to 3, W 3 Is C or N;
R 8 is C 1 -C 3 Straight or branched alkyl of (a);
R 3 is H, of formula IV, V or VI:
Figure BDA0004013333460000034
wherein in the formula IV, n2 is an integer of 0-3, and n4 and n5 are respectively and independently selected from integers of 1-3; w (W) 1 、W 2 Each independently selected from one of C, N;
R 9 h, C of a shape of H, C 1 -C 3 Straight or branched alkyl, formaldehyde, acetaldehyde, dimethylamino;
in the formula VI, n3 is an integer of 0-1;
in the formula V, R 10 、R 11 Are respectively and independently selected from H, C 1 -C 3 Straight or branched alkyl of (a).
In one embodiment, the compounds of formula I shown above are preferably of formula I-1
Figure BDA0004013333460000041
Z is selected from C, N.
In one embodiment, the halogen is selected from fluorine, chlorine, bromine and iodine in the compound shown in the formula I or pharmaceutically acceptable salt thereof; the C is 1 -C 5 The straight or branched alkyl of (a) is selected from methyl, ethyl, propyl, isopropyl, butyl, isobutyl, pentyl, isopentyl.
In a particular embodiment, the compound of formula I or a pharmaceutically acceptable salt thereof is selected from any one of the compounds shown below:
n- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) pyrimidin-2-amine;
n- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (1-methylpyrrolidin-3-yl) pyrimidin-2-amine;
n- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (piperazin-1-yl) pyrimidin-2-amine;
4- [2- [ (4-fluorobenzyl) (4-isobutoxybenzyl) amino ] pyrimidin-4-yl ] piperazine-1-carbaldehyde;
n- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (piperidin-4-yl) pyrimidin-2-amine;
n- (4-fluorobenzyl) -4- (hexahydropyrrolo [1,2-a ] pyrazin-2 (1H) -yl) -N- (4-isobutoxybenzyl) pyrimidin-2-amine;
4- (azetidin-3-yl) -N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyrimidin-2-amine; 5-fluoro-N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) pyrimidin-2-amine; 5-chloro-N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) pyrimidin-2-amine; 4- [3- (dimethylamino) azetidin-1-yl ] -N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyrimidin-2-amine;
N-benzyl-N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) pyrimidin-2-amine;
N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (1-methylazetidin-3-yl) pyrimidin-2-amine; n- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) quinazolin-2-amine;
4- [3- (dimethylamino) cyclobutyl ] -N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyrimidin-2-amine; 4- [ (dimethylamino) methyl ] -N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyridin-2-amine; 4- (aminomethyl) -N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyridin-2-amine;
n- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) pyridin-2-amine;
n- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -6- (pyrrolidin-3-yl) pyridin-2-amine; 3- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (1-methylpyrrolidin-3-yl) pyridin-2-amine;
(4-fluorophenyl) [2- [ (4-isobutoxybenzyl) amino ] -4- (1-methylpyrrolidin-3-yl) pyridin-3-yl ] methanol;
3- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -5- (1-methylpiperidin-4-yl) pyridin-2-amine; 3- [ (5-fluoropyridin-2-yl) methyl ] -N- (4-isobutoxybenzyl) -5- (1-methylpiperidin-4-yl) pyridin-2-amine;
3- [ (5-fluoropyridin-2-yl) methyl ] -N- (4-isobutoxybenzyl) -4- (1-methylpyrrolidin-3-yl) pyridin-2-amine.
In another aspect, the present invention provides a pharmaceutical composition comprising a therapeutically effective amount of a compound of formula I or a pharmaceutically acceptable salt thereof and a pharmaceutically acceptable carrier.
In another aspect, the invention provides an application of the compound shown in the formula I or pharmaceutically acceptable salt or pharmaceutical composition thereof in preparing a medicament for treating mental diseases. The mental disease is schizophrenia. The mental diseases are Parkinson's disease, dementia related behavioral disorder and psychosis.
In one particular embodiment, in formula VI, when n3 is 0, the structure of formula I is a particular structure
Figure BDA0004013333460000051
Term interpretation:
the term "comprising" is an open-ended expression, i.e., including what is indicated by the invention, but not excluding other aspects. It should be understood that the term "comprising" may cover the closed meaning, i.e. "consisting of …".
As described herein, the compounds of the present invention may be optionally substituted with one or more substituents, such as the compounds of the general formula above or as specified in the examples, subclasses, and examples. It is to be understood that the term "optionally substituted" may be used interchangeably with the term "substituted or unsubstituted". In general, the term "substituted" means that one or more hydrogen atoms in a given structure are replaced with a particular substituent. An optionally substituted group may be substituted at each substitutable position of the group, unless otherwise indicated. When more than one position in a given formula can be substituted with one or more substituents selected from a particular group, then the substituents may be the same or different at each position.
In addition, unless explicitly stated otherwise, the description as used in this application is to be construed broadly as meaning that the terms "independently of each other" and "independently of each other" may refer to the fact that, in different groups, specific terms expressed between the same symbols do not affect each other, or may mean that, in the same groups, specific terms expressed between the same symbols do not affect each other.
In the various parts of the present specification, substituents of the presently disclosed compounds are disclosed in terms of the type or scope of groups. It is specifically noted that the present invention includes each of the individual members of these group classes and ranges, independently, in subcombinations. For example, the term "C 1 -C 5 Alkyl "means in particular methyl, ethyl, C independently disclosed 3 Alkyl, C 4 Alkyl, C 5 An alkyl group. Examples of alkyl groups include, but are not limited to, methyl (Me, -CH 3 ) Ethyl (Et, -CH) 2 CH 3 ) N-propyl (n-Pr, -CH) 2 CH 2 CH 3 ) Isopropyl (i-Pr, -CH (CH) 3 ) 2 ) N-butyl (n-Bu, -CH) 2 CH 2 CH 2 CH 3 ) Isobutyl (i-Bu, -CH) 2 CH(CH 3 ) 2 ) Sec-butyl (s-Bu, -CH (CH) 3 )CH 2 CH 3 ) Tert-butyl (t-Bu, -C (CH) 3 ) 3 ) N-pentyl (-CH) 2 CH 2 CH 2 CH 2 CH 3 ) 2-pentyl (-CH (CH) 3 )CH 2 CH 2 CH 3 ) 3-pentyl (-CH (CH) 2 CH 3 ) 2 ) 2-methyl-2-butyl (-C (CH) 3 ) 2 CH 2 CH 3 ) 3-methyl-2-butyl (-CH (CH) 3 )CH(CH 3 ) 2 ) 3-methyl-1-butyl (-CH) 2 CH 2 CH(CH 3 ) 2 ) 2-methyl-1-butyl (-CH) 2 CH(CH 3 )CH 2 CH 3 ) Etc.
Ranges recited herein (e.g., numerical ranges) can encompass each and every subrange within the range as well as each subrange formed by each value. Thus, for example, the expression "n 2 An "integer of 0 to 3" includes, for example, an integer of 0 to 2, an integer of 2 to 3, and the like, such as 1, 2, and 3.
The expression "one or more" may denote 1, 2, 3, 4, 5, 6 or more.
The term "hydrogen (H)" means a single hydrogen atom. Such radicals may be attached to other groups, such as to an oxygen atom, to form a hydroxyl group.
The term "halogen" refers to fluorine (F), chlorine (Cl), bromine (Br) or iodine (I).
The term "formaldehyde radical" is
Figure BDA0004013333460000061
"acetaldehyde radical" is>
Figure BDA0004013333460000062
The term "pharmaceutically acceptable salt" refers to an organic or inorganic salt of a compound of the invention.
Compounds of formula I
The invention provides a compound shown as a formula I or pharmaceutically acceptable salt thereof
Figure BDA0004013333460000071
Wherein Z, Q is independently selected from C, N and Z, Q is not both C; r is R 13 Is C 1 -C 5 Straight or branched alkyl of (a);
R 1 selected from the structures of H and formula II,
R 2 in the absence of the H or formula II structure,
Figure BDA0004013333460000072
a is C or N;
R 6 is H or halogen, R 7 Is H or OH;
R 5 is H or
Figure BDA0004013333460000073
R 4 Is H, halogen or a structure of formula III, or R 5 And R is R 4 A benzene ring is formed and is formed,
Figure BDA0004013333460000074
wherein in formula III, n1 is an integer of 0 to 3, W 3 Is C or N;
R 8 is C 1 -C 3 Straight or branched alkyl of (a);
R 3 is H, formula IV, V or VI,
Figure BDA0004013333460000075
wherein in the formula IV, n2 is an integer of 0-3, and n4 and n5 are respectively and independently selected from integers of 1-3;
W 1 、W 2 each independently selected from C, N;
R 9 selected from H, C 1 -C 3 Straight or branched alkyl, formaldehyde, acetaldehyde, dimethylamino;
in the formula VI, n3 is an integer of 0-1;
in the formula V, R 10 、R 11 Are respectively and independently selected from H, C 1 -C 3 Straight or branched alkyl of (a).
In one embodiment, the compound of formula I is of formula I-1:
Figure BDA0004013333460000081
wherein Z is C or N.
In one embodiment, R 1 Is H or of formula II, R 2 Is absent, H or of the structure of formula II:
Figure BDA0004013333460000082
wherein A is C or N; r is R 6 Is H or halogen, R 7 H or OH. In a preferred embodiment, R 1 H. In yet another preferred embodiment, R 1 Is a compound of formula II. In a preferred embodiment,R 2 H. In another preferred embodiment, R 2 Is not present. In yet another preferred embodiment, R 2 Is of the structure of formula II.
In one embodiment, formula II is a structure
Figure BDA0004013333460000083
Wherein A is C or N; r is R 6 Is H or halogen, R 7 H or OH. In a preferred embodiment, the structure of formula II is +. >
Figure BDA0004013333460000084
Wherein A is C or N; r is R 6 Is H, fluorine, chlorine, bromine or iodine, R 7 H or OH. In a particularly preferred embodiment, the structure of formula II is
Figure BDA0004013333460000091
Wherein A is C or N; r is R 6 Is H or fluorine, R 7 H or OH. In a specific embodiment, the structure of formula II is +.>
Figure BDA0004013333460000092
In another specific embodiment, the structure of formula II is +.>
Figure BDA0004013333460000093
In a further particular embodiment, the structure of formula II is +.>
Figure BDA0004013333460000094
In another specific embodiment, the structure of formula II is +.>
Figure BDA0004013333460000095
In one embodiment, R 13 Is C 1 -C 5 Straight or branched alkyl of (a). In a preferred embodiment, R 13 Is methyl, ethyl, propyl, isopropyl, butyl, isobutyl, pentyl or isopentyl. In a more preferred embodiment, R 13 Is isopropyl, butyl, isobutyl or pentyl. In a particularly preferred embodiment, R 13 Is isobutyl.
In one embodiment, R 5 Is H or
Figure BDA0004013333460000096
In a specific embodiment, R 5 H. In another specific embodiment, R 5 Is->
Figure BDA0004013333460000097
In one embodiment, R 4 Is H, halogen or a structure of formula III:
Figure BDA0004013333460000098
in the formula III, n1 is an integer of 0-3, W 3 Is C or N; r is R 8 Is C 1 -C 3 Straight or branched alkyl of (a). In a preferred embodiment, R 4 Selected from H, fluorine, chlorine, bromine, structure III- >
Figure BDA0004013333460000099
In formula III, n1 is an integer of 0, 1, 2, W 3 Is C or N; r is R 8 Methyl, ethyl, propyl or isopropyl. In a particularly preferred embodiment, R 4 Selected from H, fluorine, chlorine,
Figure BDA0004013333460000101
In formula III, n1 is 0, W 3 Is N; r is R 8 Is methyl.
In one embodiment, R 5 And R is R 4 Forming a benzene ring.
In one embodiment, R 3 Is H, formula IV, V or VI;
Figure BDA0004013333460000102
wherein in the formula IV, n2 is an integer of 0-3, and n4 and n5 are integers of 1-3;
W 1 、W 2 each independently selected from C, N;
R 9 selected from H, C 1 -C 3 Straight or branched alkyl, formaldehyde, acetaldehyde, dimethylamino;
in the formula VI, n3 is an integer of 0-1;
in the formula V, R 10 、R 11 Are respectively and independently selected from H, C 1 -C 3 Straight or branched alkyl of (a).
In a more preferred embodiment, R 3 Is H, formula IV, V or VI;
Figure BDA0004013333460000103
wherein in the formula IV, n2 is 0, and n4 and n5 are respectively and independently selected from 1 and 2;
W 1 、W 2 each independently selected from C, N;
R 9 is H, methyl, ethyl, propyl, isopropyl, formaldehyde or dimethylamino;
in the formula V, R 10 、R 11 Each independently selected from H, methyl;
in formula VI, n3 is 0 or 1.
In a particularly preferred embodiment, R 3 Is H, formula IV, V or VI;
Figure BDA0004013333460000111
wherein in the formula IV, n2 is 0, and n4 and n5 are respectively and independently selected from 1 and 2;
W 1 、W 2 Each independently selected from one of C, N;
R 9 selected from H, methyl, formaldehyde, dimethylamino;
in the formula V, R 10 、R 11 Each independently selected from H, methyl;
in formula VI, n3 is 0.
In one embodiment, C 1 -C 5 Straight-chain or branched alkyl and C 1 -C 3 The straight or branched alkyl groups are each independently selected from methyl, ethyl, propyl, isopropyl, butyl, isobutyl, pentyl and isopentyl. In a more specific embodiment, C 1 -C 5 Straight-chain or branched alkyl and C 1 -C 3 The straight or branched alkyl groups are each independently selected from methyl, isobutyl.
In one embodiment, the propyl group includes, but is not limited to, n-propyl (n-Pr, -CH) 2 CH 2 CH 3 ) Or isopropyl (i-Pr, -CH (CH) 3 ) 2 ). The butyl includes, but is not limited to, n-butyl (n-Bu, -CH) 2 CH 2 CH 2 CH 3 ) Isobutyl (i-Bu, -CH) 2 CH(CH 3 ) 2 ) Sec-butyl (s-Bu, -CH (CH) 3 )CH 2 CH 3 ) Or tert-butyl (t-Bu, -C (CH) 3 ) 3 ). The pentyl group includes, but is not limited to, n-pentyl (-CH) 2 CH 2 CH 2 CH 2 CH 3 ) 2-pentyl (-CH (CH) 3 )CH 2 CH 2 CH 3 ) 3-pentyl (-CH (CH) 2 CH 3 ) 2 ) 2-methyl-2-butyl (-C (CH) 3 ) 2 CH 2 CH 3 ) 3-methyl-2-butyl (-CH (CH) 3 )CH(CH 3 ) 2 ) 3-methyl-1-butyl (-CH) 2 CH 2 CH(CH 3 ) 2 ) Or 2-methyl-1-butyl (-CH) 2 CH(CH 3 )CH 2 CH 3 )。
In a specific embodiment, the halogen is selected from fluorine, chlorine, bromine, iodine. In a particular embodiment, the halogen is selected from fluorine, chlorine.
The beneficial technical effects of the invention are as follows:
the compounds provided herein act on 5-HT2A, 5-HT2C receptors with selectivity for 5-HT2A over or similar to pimecrin. Can be used for treating behavior disorder and psychosis associated with schizophrenia or Parkinson's disease and dementia. The compounds of the present application have antipsychotic activity comparable to pimecroline and less cardiotoxicity than pimecroline.
Detailed description of the preferred embodiments
The present invention will be further described by the following examples, however, the scope of the present invention is not limited to the following examples. Those skilled in the art will appreciate that various changes and modifications can be made to the invention without departing from the spirit and scope thereof.
TABLE 1 Structure of Compounds and names of Compounds
Figure BDA0004013333460000121
Figure BDA0004013333460000131
Figure BDA0004013333460000141
Figure BDA0004013333460000151
Figure BDA0004013333460000161
Detailed description of the preferred embodiments
The following examples are for illustrative purposes only and are not intended to be limiting of the invention. The general formula is synthesized:
Figure BDA0004013333460000171
the substituted 2-chloropyrimidine or pyridine derivative is condensed with substituted 4-alkoxyl benzylamine and then condensed with substituted benzyl bromide to obtain the structural formula of the compound.
The general synthetic methods are only used to briefly summarize the synthetic methods of some of the compounds of the present invention, and the specific synthetic routes and synthetic steps are subject to the examples.
The examples are for illustrative purposes and are not to be construed as limiting the invention.
Examples of synthetic aspects
Example 1.4- (5-benzyl-1- (4-isobutoxybenzyl) -1H-pyrazol-3-yl) -1-methylpiperidine (1) reaction scheme 1
Figure BDA0004013333460000172
1.1 Preparation of 3- (2-chloropyrimidin-4-yl) -2, 5-dihydropyrrole-1-carboxylic acid tert-butyl ester
2, 4-dichloropyrimidine (1.00 g, 6.719 mmol), water (10 mL,111.017 mmol), tert-butyl 3- (4, 5-tetramethyl-1, 3, 2-dioxaborolan-2-yl) -2, 5-dihydro-1H-pyrrole-1-carboxylate (2.38 g,8.055 mmol), na 2 CO 3 (1.42 g, 13.426 mmol) and Pd (dppf) Cl 2 (0.25 g, 0.336 mmol) was added to 10mL dioxane, nitrogen blanketed, and the mixture was stirred at 80℃for 2 hours. After completion of the reaction, the solid was removed by filtration, 20mL of water was added to the reaction solution, extraction was performed with ethyl acetate (3×30 mL), the organic phase (1×30 mL) was washed with saturated brine, dried over anhydrous sodium sulfate, the solvent was distilled off under pressure, and the column chromatography was performed to purify (PE: ea=2:1) to obtain 1.5g of tert-butyl 3- (2-chloropyrimidin-4-yl) -2, 5-dihydropyrrole-1-carboxylate, yield 79.31% as pale yellow solid.
1.2 Preparation of 3- (2-chloropyrimidin-4-yl) pyrrolidine-1-carboxylic acid tert-butyl ester
3- (2-Chloropyrimidin-4-yl) -2, 5-dihydropyrrole-1-carboxylic acid tert-butyl ester (1.50 g,5.324 mmol), tetrahydrofuran (15.00 mL,185.145 mmol) and Pd/C (0.15 g,1.410 mmol) were charged into a 50mL round-bottomed flask, and the system was purged with hydrogen and reacted overnight at room temperature. After the completion of the reaction, the mixture was filtered to obtain a solution, and the solvent was distilled off under reduced pressure to obtain 1.2g of t-butyl 3- (2-chloropyrimidin-4-yl) pyrrolidine-1-carboxylate as a yellow oil in a yield of 79.43%.
1.3 preparation of tert-butyl 3- [2- ([ [4- (2-methylpropyloxy) phenyl ] methyl ] amino) pyrimidin-4-yl ] pyrrolidine-1-carboxylate
3- (2-Chloropyrimidin-4-yl) pyrrolidine-1-carboxylic acid tert-butyl ester (1.00 g,3.524 mmol), dimethyl sulfoxide (10.00 mL), 1- [4- (2-methylpropyloxy) phenyl ] methanamine (0.63 g,3.524 mmol), DIEA (0.91 g,7.048 mmol) were added respectively to a 40mL round bottom flask and reacted at 150℃for 2 hours. After completion of the reaction, the reaction mixture was cooled to room temperature, 40mL of ice water was added, the mixture was extracted with ethyl acetate (3X 30 mL), the organic phase (1X 30 mL) was washed with a saturated sodium chloride solution, the organic phase was dried over anhydrous sodium sulfate, the solvent was distilled under reduced pressure, and the compound tert-butyl 3- [2- ([ [4- (2-methylpropyloxy) phenyl ] methyl ] amino) pyrimidin-4-yl ] pyrrolidine-1-carboxylate was obtained by column chromatography separation and purification (PE: EA=1:1) in 0.9g, yield 59.87%, yellow.
1.4 Preparation of tert-butyl 3- (2- [ [ (4-fluorophenyl) methyl ] ([ [4- (2-methylpropyloxy) phenyl ] methyl) amino ] pyrimidin-4-yl) pyrrolidine-1-carboxylate
Tert-butyl 3- [2- ([ [4- (2-methylpropyloxy) phenyl ] methyl ] amino) pyrimidin-4-yl ] pyrrolidine-1-carboxylate (300.00 mg,0.703 mmol) and DMF (6.00 mL,77.531 mmol) were added to a 50mL round bottom flask, nitrogen was purged, cooled to 0 ℃, naH (33.76 mg,1.407 mmol) was added, reacted at 0℃for 0.5 hours, and 1- (bromomethyl) -4-fluorobenzene (265.89 mg,1.407 mmol) was added dropwise at 0℃for 2 hours. After the completion of the reaction, 30mL of ice water was added to quench the reaction, the organic phase (3X 30 mL) was washed with ethyl acetate, dried over saturated brine (1X 30 mL), and the solvent was removed under reduced pressure to give 320mg of tert-butyl 3- (2- [ [ (4-fluorophenyl) methyl ] ([ [4- (2-methylpropyloxy) phenyl ] methyl) amino ] pyrimidin-4-yl) carboxylate, the compound, in a yield of 85.10%, as a yellow oil.
1.5 preparation of N- [ (4-fluorophenyl) methyl ] -N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] -4- (pyrrolidin-3-yl) pyrimidin-2-amine
3- (2- [ [ (4-fluorophenyl) methyl)]([ [4- (2-methylpropyloxy) phenyl ]]Methyl group]) Amino group]Pyrimidine-4-yl) pyrrolidine-1-carboxylic acid tert-butyl ester (300.00 mg,0.561 mmol) was added to HCl 1, 4-dioxane (5.00 mL,137.134 mmol) and stirred at room temperature for 1 hour. After the reaction is finished, addThe reaction was quenched with 30mL of saturated sodium bicarbonate solution, extracted with ethyl acetate (3×30 mL), dried over anhydrous sodium sulfate, the solvent evaporated under reduced pressure, and purified by column chromatography in portions (DCM: meoh=20:1) to give compound N- [ (4-fluorophenyl) methyl]-N- [ [4- (2-methylpropyloxy) phenyl ]]Methyl group]-4- (pyrrolidin-3-yl) pyrimidin-2-amine 76.3mg in 28.86% yield. 1 H NMR(400MHz,DMSO-d 6 ):δ9.36(s,1H),9.20(s,1H),8.35(d,J=5.0Hz,1H),7.28(dd,J=8.4,5.5Hz,2H),7.18(s,1H),7.19–7.08(m,3H),6.86(d,J=8.4Hz,2H),6.70(d,J=5.0Hz,1H),4.77(t,J=4.3Hz,4H),3.71(d,J=6.5Hz,2H),3.48(q,J=7.1,6.5Hz,2H),3.31(s,2H),3.21(d,J=11.6Hz,2H),2.27(q,J=6.7Hz,1H),1.99(dp,J=13.3,6.7Hz,2H),0.97(d,J=6.7Hz,6H).LCMS(ES,m/z):435[M+H] +
EXAMPLE 2N- (4-Fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (1-methylpyrrolidin-3-yl) pyrimidin-2-amine (2)
Reaction 2
Figure BDA0004013333460000191
The title compound N- [ (4-fluorophenyl) methyl ] -N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] -4- (pyrrolidin-3-yl) pyrimidin-2-amine was prepared as in example 1.
N- [ (4-fluorophenyl) methyl group]-N- [ [4- (2-methylpropyloxy) phenyl ]]Methyl group]4- (pyrrolidin-3-yl) pyrimidin-2-amine (200.00 mg,0.460 mmol) was added to 5.00mL of methanol, followed by AcOH (55.28 mg,0.921 mmol) and HCHO (69.10 mg,2.301 mmol), reacted at room temperature for 0.5 hours, followed by STAB (292.63 mg,1.381 mmol) and reacted at room temperature for 1 hour. After the reaction, saturated NaHCO is used 3 The reaction solution was adjusted to PH 8, extracted with ethyl acetate (2×10 mL), washed with saturated brine (1×10 mL), dried over anhydrous sodium sulfate, the solvent was distilled off under reduced pressure, and the purified product (DCM: meoh=20:1) was isolated by column chromatography to give the compound N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (1-methylpyrrolidin-3-yl) pyrimidin-2-amine 45.5g in 20.38% yield, 1 H NMR(400MHz,DMSO-d 6 )δ10.77(s,1H),10.48(s,1H),8.36(dd,J=5.0,3.1Hz,1H),7.28(dt,J=8.8,5.3Hz,2H),7.21–7.09(m,4H),6.91–6.83(m,2H),6.69(dd,J=5.0,3.7Hz,1H),4.78(t,J=5.3Hz,4H),3.54(d,J=8.4Hz,1H),3.38(s,1H),3.01(s,1H),2.84(d,J=5.0Hz,1H),2.72(d,J=4.9Hz,2H),2.29(q,J=8.1,6.6Hz,1H),1.99(hept,J=6.7Hz,1H),0.97(d,J=6.7Hz,6H).LCMS(ES,m/z):449[M+H] +
EXAMPLE 3N- [ (4-fluorophenyl) methyl ] -N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] -4- (piperazin-1-yl) pyrimidin-2-amine (3)
Reaction 2
Figure BDA0004013333460000201
3.1 Preparation of tert-butyl 4- (2-chloropyrimidin-4-yl) piperazine-1-carboxylate
2, 4-dichloropyrimidine (3.00 g,20.138 mmol), DMSO (30.00 mL), tert-butyl piperazine-1-carboxylate (4125.94 mg,22.152 mmol) and DIEA (5205.47 mg,40.277 mmol) were added to a 100mL reaction flask, nitrogen blanketed, and stirred at 150℃for 2 hours. After the reaction, the reaction mixture was cooled to room temperature, quenched with water, extracted with ethyl acetate (3×30 mL), dried over anhydrous sodium sulfate, and the solvent was distilled off under reduced pressure, followed by column chromatography (PE: ea=3:2) to give 5.4g of tert-butyl 4- (2-chloropyrimidin-4-yl) piperazine-1-carboxylate as a compound in a yield of 89.75% as a pale yellow oil.
3.2 Preparation of tert-butyl 4- [2- ([ [4- (2-methylpropyloxy) phenyl ] methyl ] amino) pyrimidin-4-yl ] piperazine-1-carboxylate
Tert-butyl 4- (2-chloropyrimidin-4-yl) piperazine-1-carboxylate (2.00 g,6.694 mmol), dimethyl sulfoxide (20.00 mL), 1- [4- (2-methylpropyloxy) phenyl ] methanamine (1.32 g, 7.284 mmol), DIEA (1.73 g, 13.3838 mmol) were added separately to a 50mL round bottom flask and reacted at 150℃for 2 hours. After completion of the reaction, the reaction mixture was cooled to room temperature, 40mL of ice water was added, the mixture was extracted with ethyl acetate (3X 30 mL), the organic phase (1X 30 mL) was washed with a saturated sodium chloride solution, the organic phase was dried over anhydrous sodium sulfate, the solvent was distilled off under reduced pressure, and the compound 4- [2- ([ [4- (2-methylpropyloxy) phenyl ] methyl ] amino) pyrimidin-4-yl ] piperazine-1-carboxylic acid tert-butyl ester 1g was obtained by column chromatography separation and purification (PE: EA=1:1) in a yield of 33.83% as a yellow solid.
3.3 Preparation of tert-butyl 4- (2- [ (4-fluorophenyl) methyl ] ([ [4- (2-methylpropyloxy) phenyl ] methyl) amino ] pyrimidin-4-yl) piperazine-1-carboxylate
4- [2- ([ [4- (2-methylpropyloxy) phenyl ] methyl ] amino) pyrimidin-4-yl ] piperazine-1-carboxylic acid tert-butyl ester (1.00 g,2.265 mmol) and DMF (10.00 mL) were added to a 25mL round bottom flask, nitrogen was purged, the temperature was lowered to 0 ℃, naH (0.11 g,4.529 mmol) was added, the reaction was carried out at 0℃for 0.5 hours, and 1- (bromomethyl) -4-fluorobenzene (265.89 mg,1.407 mmol) was added dropwise at 0℃for 2 hours. After completion of the reaction, the reaction was quenched with 30mL of ice water, extracted with ethyl acetate (3X 30 mL), the organic phase (1X 30 mL) was washed with saturated brine, dried over anhydrous sodium sulfate, and the solvent was removed under reduced pressure to give 1g of tert-butyl 4- (2- [ (4-fluorophenyl) methyl ] ([ [4- (2-methylpropyloxy) phenyl ] methyl) amino ] pyrimidin-4-yl) piperazine-1-carboxylate as a compound in a yield of 80.33% as a yellow solid.
3.4 preparation of N- [ (4-fluorophenyl) methyl ] -N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] -4- (piperazin-1-yl) pyrimidin-2-amine
4- (2- [ (4-fluorophenyl) methyl)]([ [4- (2-methylpropyloxy) phenyl ]]Methyl group]) Amino group]Pyrimidine-4-yl) piperazine-1-carboxylic acid tert-butyl ester (230.00 mg,0.418 mmol) was added to HCl 1, 4-dioxane (2.00 mL) and stirred at room temperature for 1 hour. After the reaction was completed, the reaction was quenched by adding 30mL of saturated sodium bicarbonate solution, extracted with ethyl acetate (3×30 mL), dried over anhydrous sodium sulfate, the solvent was evaporated under reduced pressure, and purified by column chromatography in portions (DCM: meoh=20:1) to give compound N- [ (4-fluorophenyl) methyl group]-N- [ [4- (2-methylpropyloxy) phenyl ]]Methyl group]-4- (pyrrolidin-3-yl) pyrimidin-2-amine 56.5mg in 27.25% yield. 1 H NMR(400MHz,DMSO-d 6 )δ8.24(s,1H),7.90(d,J=6.0Hz,1H),7.29–7.21(m,2H),7.18–7.06(m,4H),6.88–6.81(m,2H),6.10(d,J=6.1Hz,1H),4.67(s,4H),3.70(d,J=6.5Hz,2H),3.47(t,J=5.0Hz,4H),2.73(t,J=5.3Hz,4H),1.99(dp,J=13.3,6.6Hz,1H),0.97(d,J=6.7Hz,6H).LCMS(ES,m/z):450[M+H] +
Example 4.4- (2- ((4-fluorobenzyl) (4-isobutoxybenzyl) amino) pyrimidin-4-yl) piperazine-1-carbaldehyde
Substitution of piperazine-1-carboxylic acid tert-butyl ester as reaction materialThe title compound was prepared as described in example 3, which is 1-formaldehyde piperazine, and the structural formula is shown in table 1 under number (4). 1 H NMR(400MHz,DMSO-d 6 ):δ8.07(s,1H),7.95(d,J=6.0Hz,1H),7.34–7.19(m,2H),7.19–7.04(m,4H),6.89–6.80(m,2H),6.17(d,J=6.0Hz,1H),4.69(s,4H),3.70(d,J=6.5Hz,2H),3.55(d,J=20.3Hz,4H),3.37(d,J=6.5Hz,4H),1.99(dt,J=13.3,6.7Hz,1H),0.97(d,J=6.7Hz,6H).LCMS(ES,m/z):418[M+H] +
EXAMPLE 5N- (4-Fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (piperidin-4-yl) pyrimidin-2-amine
The title compound was prepared by the method of example 1 by substituting tert-butyl 3- (4, 5-tetramethyl-1, 3, 2-diboranoxy-2-yl) -2, 5-dihydropyrrole-1-carboxylate with 4- (4, 5-tetramethyl-1, 3, 2-diboranoxy-2-yl) -3, 6-dihydro-2H-pyridine-1-carboxylate. 1 H NMR(400MHz,DMSO-d 6 )δ8.31(d,J=5.0Hz,1H),7.28(dd,J=8.4,5.6Hz,2H),7.21–7.08(m,4H),6.90–6.82(m,2H),6.59(d,J=5.1Hz,1H),4.75(d,J=4.4Hz,4H),3.71(d,J=6.5Hz,2H),3.20(d,J=12.3Hz,2H),2.88–2.66(m,3H),1.99(dp,J=13.3,6.6Hz,1H),1.89(d,J=13.2Hz,2H),1.76(q,J=12.5Hz,2H),0.97(d,J=6.7Hz,6H).LCMS(ES,m/z):449[M+H] +
EXAMPLE 6N- (4-Fluorobenzyl) -4- (hexahydropyrrolo [1,2-a ] pyrazin-2 (1H) -yl) -N- (4-isobutoxybenzyl) pyrimidin-2-amine
The piperazine-1-carboxylic acid tert-butyl ester serving as a reaction raw material is replaced by octahydropyrrole [1,2-a ] pyrazine]The target compound was prepared as in example 1, and the structural formula is shown in the number (6) in table 1. 1 H-NMR(400MHz,Methanol-d 4 )δ7.88(d,J=6.2Hz,1H),7.27–7.17(m,2H),7.17–7.09(m,2H),7.06–6.96(m,2H),6.88–6.80(m,2H),6.14(d,J=6.2Hz,1H),4.80–4.65(m,4H),4.47(d,J=12.9Hz,1H),4.32(d,J=13.1Hz,1H),3.72(d,J=6.5Hz,2H),3.14–3.02(m,2H),2.99(ddd,J=14.9,11.8,3.3Hz,1H),2.63(dd,J=12.8,10.5Hz,1H),2.25–2.13(m,2H),2.10–1.94(m,1H),1.86(s,1H),1.84(dddd,J=20.8,16.1,12.7,9.3Hz,2H),1.51–1.33(m,1H),1.35(s,1H),1.31(d,J=3.6Hz,1H),1.04(d,J=6.7Hz,6H).LCMS(ES,m/z):490[M+H] +
Example 7.4- (azetidin-3-yl) -N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyrimidin-2-amine
The title compound was prepared by the method of example 1 by substituting tert-butyl 3- (4, 5-tetramethyl-1, 3, 2-diboranoxy-2-yl) -2, 5-dihydropyrrole-1-carboxylate with 3- (4, 5-tetramethyl-1, 3, 2-diboranoxy-2-yl) azetidine-1-carboxylate. 1 H NMR(400MHz,Methanol-d 4 )δ8.36(d,J=4.9Hz,1H),7.31–7.23(m,2H),7.21–7.14(m,2H),7.08–6.98(m,2H),6.89–6.82(m,2H),6.58(d,J=4.9Hz,1H),4.90(s,4H),4.26(qd,J=10.1,8.0Hz,4H),4.17–4.04(m,1H),3.73(d,J=6.5Hz,2H),2.05(dp,J=13.3,6.6Hz,1H),1.04(d,J=6.7Hz,6H).LCMS(ES,m/z):421[M+H] +
Example 8.5-fluoro-N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) pyrimidin-2-amine
The title compound was prepared as in example 1 by substituting 2, 4-dichloropyrimidine for 2, 4-dichloro-5-fluoropyrimidine, and the structural formula is shown in table 1 as number (8). 1 H NMR(400MHz,Methanol-d4)δ8.55(s,1H),8.28(d,J=1.9Hz,1H),7.24(dd,J=8.4,5.4Hz,2H),7.15(d,J=8.3Hz,2H),7.02(t,J=8.6Hz,2H),6.88–6.81(m,2H),4.81(d,J=5.5Hz,4H),3.88(p,J=7.5Hz,1H),3.72(d,J=6.5Hz,2H),3.60–3.46(m,2H),3.33–3.24(m,2H),2.39(dq,J=14.1,7.1Hz,1H),2.08(ddq,J=33.2,13.3,7.0Hz,2H),1.03(d,J=6.7Hz,6H).LCMS(ES,m/z):453[M+H] +
Example 9.5-chloro-N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) pyrimidin-2-amine
The title compound was prepared by the method of example 1 by substituting 2, 4-dichloropyrimidine for 2, 4-dichloro-5-chloropyrimidine, and the structural formula is shown in Table 1 as number (9). 1 H NMR(400MHz,Methanol-d4)δ8.56(s,1H),8.36(s,1H),7.25(dd,J=8.4,5.3Hz,2H),7.15(d,J=8.2Hz,2H),7.08–6.98(m,2H),6.90–6.82(m,2H),4.83(d,J=6.9Hz,4H),3.96(p,J=7.2Hz,1H),3.73(d,J=6.5Hz,2H),3.53–3.46(m,2H),3.25(dp,J=11.7,4.3Hz,2H),2.39(dq,J=14.5,7.4Hz,1H),2.06(ddq,J=17.0,13.3,6.8Hz,2H),1.04(d,J=6.7Hz,6H).LCMS(ES,m/z):469[M+H] +
EXAMPLE 10.4- (3- (dimethylamino) azetidin-1-yl) -N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyrimidin-2-amine
The title compound was prepared as in example 1 by substituting tert-butyl piperazine-1-carboxylate with N, N-dimethyl azetidin-3-amine, and the structural formula is shown in Table 1 under number (10). 1 H NMR(400MHz,Methanol-d 4 )δ8.28(d,J=1.9Hz,1H),7.24(dd,J=8.4,5.4Hz,2H),7.15(d,J=8.3Hz,2H),7.02(t,J=8.6Hz,2H),6.88–6.81(m,2H),4.81(d,J=5.5Hz,4H),3.88(p,J=7.5Hz,1H),3.72(d,J=6.5Hz,2H),3.60–3.46(m,2H),3.33–3.24(m,2H),2.39(dq,J=14.1,7.1Hz,1H),2.08(ddq,J=33.2,13.3,7.0Hz,2H),1.03(d,J=6.7Hz,6H).LCMS(ES,m/z):382[M+H] +
EXAMPLE 11N-benzyl-N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) pyrimidin-2-amine
The title compound was prepared as in example 1 by substituting benzyl bromide for 1- (bromomethyl) -4-fluorobenzene, and the structural formula is shown in table 1 under number (11). 1 H NMR(400MHz,DMSO-d6):δ9.48(s,1H),9.28(s,1H),8.34(d,J=5.0Hz,1H),7.36–7.28(m,2H),7.28–7.15(m,5H),6.90–6.80(m,2H),6.71(d,J=5.0Hz,1H),4.87–4.69(m,4H),3.70(d,J=6.5Hz,2H),3.51–3.44(m,2H),3.31(s,2H),3.24–3.15(m,2H),2.26(dd,J=13.2,6.8Hz,1H),1.99(dt,J=13.2,6.6Hz,1H),1.94(s,1H),0.96(d,J=6.7Hz,6H).LCMS(ES,m/z):417[M+H] +
EXAMPLE 12N- (4-Fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (1-methylazetidin-3-yl) pyrimidin-2-amine
The title compound was prepared as in example 2 by substituting tert-butyl 3- (4, 5-tetramethyl-1, 3, 2-diboranoxy-2-yl) -2, 5-dihydropyrrole-1-carboxylate with 1-methyl-3- (4, 5-tetramethyl-1, 3, 2-diboranoxy-2-yl) azetidine. 1 H NMR(400MHz,DMSO-d 6 )δ8.23(s,1H),7.29(dd,J=8.4,5.6Hz,2H),7.19(d,J=8.2Hz,2H),7.16–7.07(m,2H),6.90–6.83(m,2H),6.62(d,J=5.0Hz,1H),4.78(d,J=4.0Hz,4H),3.70(d,J=6.5Hz,2H),3.68–3.55(m,3H),3.31(d,J=7.3Hz,2H),2.27(s,3H),1.99(dp,J=13.3,6.6Hz,1H),0.97(d,J=6.7Hz,6H).LCMS(ES,m/z):435[M+H] +
EXAMPLE 13N- (4-Fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) quinazolin-2-amine
The target compound was prepared as in example 1, with the replacement of the reaction starting material 2, 4-dichloropyrimidine with 2, 4-dichloropquinazoline, and the structural formula is shown in table 1 under number (13). 1 H NMR(400MHz,Methanol-d 4 )δ8.04(dd,J=8.4,1.3Hz,1H),7.70(ddd,J=8.3,6.7,1.4Hz,1H),7.62(dd,J=8.5,1.2Hz,1H),7.29(td,J=6.7,3.2Hz,3H),7.19(d,J=8.1Hz,2H),7.07–6.95(m,2H),6.88–6.78(m,2H),4.94(t,J=5.3Hz,4H),4.24(ddd,J=10.9,8.0,5.4Hz,1H),3.71(d,J=6.5Hz,2H),3.31–3.23(m,1H),2.99(t,J=7.2Hz,2H),2.38–2.24(m,1H),2.06(ddp,J=26.5,13.2,6.6,6.0Hz,2H),1.30(s,1H),1.02(d,J=6.7Hz,6H).LCMS:(ES,m/z):485[M+H] +
EXAMPLE 14.4- (3- (dimethylamino) cyclobutyl) -N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyrimidin-2-amine
The title compound was prepared as in example 1, substituting 2, 3-dichloropyrimidine for the reaction starting material 2, 4-dichloropyrimidine, substituting N, N-dimethyl-3- (4, 5-tetramethyl-1, 3, 2-diboranyloxy-2-yl) -2, 5-dihydropyrrole-1-carboxylate for N, N-dimethyl-3- (4, 5-tetramethyl-1, 3, 2-diboranyloxy-2-yl) cyclobutan-1-amine, and having the structural formula shown in table 1 under number (14). 1 H NMR:(400MHz,Methanol-d 4 )δ8.28(d,J=6.4Hz,1H),7.34(dd,J=8.3,5.2Hz,2H),7.23(d,J=8.3Hz,2H),7.19–7.06(m,3H),7.02–6.86(m,2H),4.95(s,4H),3.85(p,J=8.3Hz,1H),3.75(d,J=6.5Hz,2H),3.70–3.52(m,1H),2.95–2.65(m,10H),2.07(dh,J=13.2,6.6Hz,1H),1.04(d,J=6.7Hz,6H).
EXAMPLE 15.4- [ (dimethylamino) methyl ] -N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyridin-2-amine
Reaction 3
Figure BDA0004013333460000251
15.1 preparation of N- (4-isobutoxybenzyl) -4-isocyano-pyridin-2-amine
2-fluoro-4-isocyanopyridine (5.00 g,40.98 mmol), (4-isobutoxyphenyl) methanamine (8.07 g,45.08 mmol), DIEA (10.57 g,81.94 mmol) and 30mL DMSO were reacted with a 100mL round bottom flask, warmed to 150℃and reacted for 2 hours. After the completion of the reaction, the temperature was lowered to room temperature, 100mL of water was added to quench the reaction, the reaction mixture was extracted with ethyl acetate (3X 50 mL), the organic phase (1X 50 mL) was washed with saturated brine, dried over anhydrous sodium sulfate, the solvent was evaporated under reduced pressure, and the purified by column chromatography (PE: EA=1:1) to give 4.6g of the compound N- (4-isobutoxybenzyl) -4-isocyano-pyridin-2-amine in 39.97% yield.
15.2 preparation of N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4-isocyanatopyridin-2-amine
N- (4-isobutoxybenzyl) -4-isocyanatopyridin-2-amine (2.00 g,7.12 mmol) was added to 10mL of DMF, cooled to 0deg.C, 60% sodium hydride (0.34 g,8.52 mmol) was slowly added thereto, stirred for 10 minutes after the addition was completed, 4-fluorobenzyl bromide (1.48 g,7.83 mmol) was added thereto, and the reaction was allowed to proceed to room temperature for 1 hour after the addition was completed. After the completion of the reaction, 40mL of water was slowly added to quench the reaction, the reaction mixture was extracted with ethyl acetate (3X 30 mL), the organic phase (1X 30 mL) was washed with saturated brine, dried over anhydrous sodium sulfate, the solvent was distilled off under reduced pressure, and the purified by column chromatography (PE: EA=5:1) to give 2.1g of the compound N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4-isocyanatopyridin-2-amine in a yield of 75.81%.
15.3 Preparation of 4- (aminomethyl) -N- [ (4-fluorophenyl) methyl ] -N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] pyridin-2-amine
N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4-isocyanatopyridin-2-amine (2.00 g,5.14 mmol), and Raney Ni (198.00 mg,2.31 mmol) were added to 50.00mL tetrahydrofuran, and the system was purged with hydrogen and reacted overnight at room temperature. After the completion of the reaction, the mixture was suction-filtered to obtain a solution, and the solvent was distilled off under reduced pressure to obtain 1.4g of the compound 4- (aminomethyl) -N- [ (4-fluorophenyl) methyl ] -N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] pyridin-2-amine in a yield of 69.31%.
15.4 Preparation of 4- [ (dimethylamino) methyl ] -N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyridin-2-amine
4- (aminomethyl) -N- [ (4-fluorophenyl) methyl]-N- [ [4- (2-methylpropyloxy) phenyl ]]Methyl group]Pyridin-2-amine (0.6 g,1.53 mmol), acOH (184.33 mg,3.06 mmol) and HCHO (229.73 mg,7.65 mmol) were added and reacted at room temperature for 0.5 hours, and STAB (972.61 mg,4.59 mmol) was added and reacted at room temperature for 1 hour. After completion of the reaction, the pH was adjusted to 8 with saturated sodium bicarbonate solution, extracted with ethyl acetate (2X 10 mL), the organic phase was washed with saturated brine, the solvent was distilled off under reduced pressure, and purified by column chromatography (DCM: meOH=30:1) to give compound 4- [ (dimethylamino) methyl group]-N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyridin-2-amine 0.2g in 31.25% yield. 1 H NMR(400MHz,DMSO-d 6 )δ11.66(s,1H),8.14(d,J=6.1Hz,1H),7.56(s,1H),7.41–7.33(m,2H),7.28–7.21(m,2H),7.21–7.09(m,3H),6.93–6.85(m,2H),4.93(s,2H),4.88(s,2H),4.31(d,J=4.6Hz,2H),3.71(d,J=6.5Hz,2H),2.67(d,J=3.8Hz,6H),1.99(dp,J=13.3,6.7Hz,1H),0.96(d,J=6.7Hz,6H).LCMS(ES,m/z):422[M+H] +
EXAMPLE 16.4- (aminomethyl) -N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyridin-2-amine
The title compound was prepared as in example 15 and has the structural formula shown in Table 1 under number (16). 1 HNMR(400MHz,DMSO-d 6 )δ8.64(s,3H),8.12(d,J=5.8Hz,1H),7.35–7.28(m,2H),7.26(s,1H),7.23–7.11(m,4H),6.96–6.85(m,3H),4.82(d,J=17.7Hz,4H),4.02(q,J=5.8Hz,2H),3.72(d,J=6.5Hz,2H),1.99(hept,J=6.7Hz,1H),0.97(d,J=6.7Hz,6H).LCMS(ES,m/z):394[M+H] +
EXAMPLE 17N- (4-Fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) pyridin-2-amine reaction formula 4
Figure BDA0004013333460000271
17.1 Preparation of 4-bromo-N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] pyridin-2-amine
4-bromo-2-fluoropyridine (1100.00 mg,6.250 mmol) and 1- [4- (2-methylpropyloxy) phenyl ] methanamine (1232.52 mg,6.875 mmol) were added to 11.00mL DMSO, warmed to 80℃and DIEA (2423.48 mg,18.751 mmol) added and reacted overnight. After completion of the reaction, the reaction was quenched with 5.00mL of water, extracted with ethyl acetate (3X 5 mL), and the organic phase was washed with saturated brine and dried over anhydrous sodium sulfate. The solvent was distilled off under reduced pressure, and purified by column chromatography (PE: etoac=5:1) to give 900mg of the compound 4-bromo-N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] pyridin-2-amine in a yield of 42.95% as a colorless oil. 17.2 Preparation of 4-bromo-N- [ (4-fluorophenyl) methyl ] -N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] pyridin-2-amine
4-bromo-N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] pyridin-2-amine (900.00 mg,2.685 mmol) and NaH (96.64 mg,4.027 mmol) were added to 10.00mL of DMF, cooled to 0℃and reacted for 1 hour, and 1- (bromomethyl) -4-fluorobenzene (608.96 mg,3.222 mmol) was added and the reaction was completed and warmed to room temperature and reacted for 2 hours. After completion of the reaction, the reaction was quenched with water, extracted with ethyl acetate (10 ml×3), the organic phase was washed with saturated brine, dried over anhydrous sodium sulfate, the solvent was distilled off under reduced pressure, and the purified product (DCM: meoh=9:1) was separated by column chromatography to give the compound 4-bromo-N- [ (4-fluorophenyl) methyl ] -N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] pyridin-2-amine 800mg, yield 67.21%, as a white solid.
Preparation of 3-tert-butyl-3- (2- [ [ (4-fluorophenyl) methyl ] ([ [4- (2-methylpropyloxy) phenyl ] methyl) amino ] pyridin-4-yl) -2, 5-dihydropyrrole-1-carboxylate
4-bromo-N- [ (4-fluorophenyl) methyl group]-N- [ [4- (2-methylpropyloxy) phenyl ]]Methyl group]Pyridin-2-amine (800.00 mg,1.804 mmol) and sodium tert-butyl 3- (4, 5-tetramethyl-1, 3, 2-dioxal-2-yl) -2, 5-dihydropyrrole-1-carboxylate (870.83 mg,2.165 mmol) were added to 8.00mL dioxane followed by Pd (dppf) Cl 2 (132.03mg,0.180mmol),Na 2 CO 3 (382.49 mg, 3.319 mmol) and H 2 O (2.00 mL,0.111 mmol), nitrogen protection, and reaction at 80℃for 2 hours. After the completion of the reaction, the reaction was quenched with 5.00mL of water, extracted with ethyl acetate (3×5 mL), the organic phase was washed with saturated brine, dried over anhydrous sodium sulfate, and the solvent was distilled off under reduced pressure, and the extract was purified by column chromatography (PE: etoac=5:1) Obtaining the compound tert-butyl-3- (2- [ [ (4-fluorophenyl) methyl)]([ [4- (2-methylpropyloxy) phenyl ]]Methyl group]) Amino group]Pyridin-4-yl) -2, 5-dihydropyrrole-1-carboxylate 900mg, yield 93.81%, white solid.
17.3 Preparation of tert-butyl 3- (2- [ [ (4-fluorophenyl) methyl ] ([ [4- (2-methylpropyloxy) phenyl ] methyl) amino ] pyridin-4-yl) pyrrolidine-1-carboxylate
Raney nickel (85.00 mg) was added to 10.00mL of tetrahydrofuran, and tert-butyl-3- (2- [ [ (4-fluorophenyl) methyl ] ([ [4- (2-methylpropyloxy) phenyl ] methyl) amino ] pyridin-4-yl) -2, 5-dihydropyrrole-1-carboxylate (850.00 mg) was added thereto, followed by hydrogen gas and reaction at room temperature overnight. After the reaction, the mixture was filtered, and the filtrate was concentrated to dryness under reduced pressure to give 800mg of tert-butyl 3- (2- [ [ (4-fluorophenyl) methyl ] ([ [4- (2-methylpropyloxy) phenyl ] methyl) amino ] pyridin-4-yl) carboxylate as a compound in 93.76% yield.
17.preparation of 4N- [ (4-fluorophenyl) methyl ] -N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] -4- (pyrrolidin-3-yl) pyridin-2-amine
3- (2- [ [ (4-fluorophenyl) methyl)]([ [4- (2-methylpropyloxy) phenyl ]]Methyl group]) Amino group]Pyridine-4-yl) pyrrolidine-1-carboxylic acid tert-butyl ester (500.00 mg,0.937 mmol) was added to a solution of 5.00mL HCl in dioxane and reacted at room temperature for 0.5 h. After the reaction, the solvent was evaporated under reduced pressure, and purified by column chromatography (DCM: meoh=20:1) to give compound N- [ (4-fluorophenyl) methyl group]-N- [ [4- (2-methylpropyloxy) phenyl ]]Methyl group]-4- (pyrrolidin-3-yl) pyridin-2-amine 300mg in 73.92% yield. 1 H NMR(400MHz,Methanol-d 4 )δ8.57(s,1H),8.08(d,J=5.3Hz,1H),7.29–7.21(m,2H),7.18–7.10(m,2H),7.08–6.98(m,2H),6.90–6.81(m,2H),6.61(dd,J=5.3,1.5Hz,1H),6.49(t,J=0.9Hz,1H),4.79(s,2H),4.73(s,2H),3.72(d,J=6.5Hz,2H),3.54(dd,J=11.4,7.9Hz,1H),3.42–3.34(m,1H),3.33–3.18(m,1H),3.02(dd,J=11.4,9.8Hz,1H),2.39–2.27(m,1H),2.06(dq,J=13.3,6.6Hz,1H),2.02–1.87(m,1H),1.33(d,J=17.7Hz,1H),1.03(d,J=6.7Hz,6H).LCMS(ES,m/z):434[M+H] +
EXAMPLE 18N- (4-Fluorobenzyl) -N- (4-isobutoxybenzyl) -6- (pyrrolidin-3-yl) pyridin-2-amine
The title compound was prepared as in example 17, substituting 2-bromo-6-chloropyridine for 4-bromo-2-fluoropyridine, and the structural formula is shown in table 1 under (18). 1 H NMR(400MHz,DMSO-d 6 ):δ7.35(t,J=7.8Hz,1H),7.26(dd,J=8.4,5.5Hz,2H),7.13(q,J=8.1Hz,4H),6.86(d,J=8.2Hz,2H),6.51(t,J=7.3Hz,1H),6.38(d,J=8.5Hz,1H),4.74(s,2H),4.69(s,2H),3.70(d,J=6.5Hz,2H),3.23–3.14(m,4H),3.00–2.87(m,2H),1.99(tq,J=13.2,7.1,6.6Hz,2H),1.92–1.79(m,1H),0.96(d,J=6.7Hz,6H).LCMS(ES,m/z):434[M+H] +
EXAMPLE 19.3- (4-Fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (1-methylpyrrolidin-3-yl) pyridin-2-amine
Reaction 5
Figure BDA0004013333460000291
19.1 Preparation of 4-bromo-2-fluoro-3- (4-fluorobenzoyl) pyridine
4-bromo-2-fluoropyridine (3.00 g,17.047 mmol) and LDA (2.01 g,18.763 mmol) were added to 30.00mL of THF, nitrogen-protected, cooled to-78℃and 4-fluoro-N-methoxy-N-methylbenzamide (3.12 g,17.047 mmol) was added thereto and reacted for 1 hour. After the reaction is finished, saturated NH is added 4 The reaction was quenched with Cl solution, extracted with ethyl acetate (3X 10 mL), the organic phase (1X 10 mL) was washed with saturated brine, dried over anhydrous sodium sulfate, the solvent was distilled off under reduced pressure, and the purified product (PE: etOAc=3:1) was isolated by column chromatography to give 3g of the compound in 59.04% yield as a pale yellow solid.
19.2 Preparation of 4-bromo-3- (4-fluorobenzoyl) -N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] pyridin-2-amine
4-bromo-2-fluoro-3- (4-fluorobenzoyl) pyridine (3.60 g,12.077 mmol), 1- [4- (2-methylpropyloxy) phenyl ] methanamine (2.60 g,14.504 mmol) and DIEA (3.12 g,24.154 mmol) were added to 36.00mL of MSO, and the mixture was allowed to react at 80℃under nitrogen for 3 hours. After completion of the reaction, the temperature was lowered to room temperature, the reaction was quenched by addition of water, extracted with ethyl acetate (3×20 ml), the organic phase (2×10 ml) was washed with saturated brine, dried over anhydrous sodium sulfate, the solvent was distilled off under reduced pressure, and the purified (PE: etoac=3:1) was separated by column chromatography to give 3.1g of the compound 4-bromo-3- (4-fluorobenzoyl) -N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] pyridin-2-amine in a yield of 56.13% as a yellow solid.
19.3 Preparation of 3- [3- (4-fluorobenzoyl) -2- ([ [4- (2-methylpropyloxy) phenyl ] methyl ] amino) pyridin-4-yl ] -2, 5-dihydropyrrole-1-carboxylic acid tert-butyl ester
4-bromo-3- (4-fluorobenzoyl) -N- [ [4- (2-methylpropyloxy) phenyl ]]Methyl group]Pyridin-2-amine (4.40 g,9.621 mmol), tert-butyl 3- (4, 5-tetramethyl-1, 3, 2-dioxaborolan-2-yl) -2, 5-dihydro-1H-pyrrole-1-carboxylate (3.57 g,11.545 mmol), na 2 CO 3 (2.04 g,19.242 mmol) and Pd (dppf) Cl 2 CH 2 Cl 2 (0.39 g,0.481 mmol) was added to 40.00mL of 1, 4-dioxane and 10.00mL of water, nitrogen blanketed, and the temperature was raised to 80℃for 2 hours. After completion of the reaction, the reaction was quenched with water, extracted with ethyl acetate (3×30 mL), the organic phase (1×10 mL) was washed with saturated brine, dried over anhydrous sodium sulfate, the solvent was distilled off under reduced pressure, and the purified (PE: etoac=3:1) was separated by column chromatography to give the compound 3- [3- (4-fluorobenzoyl) -2- ([ [4- (2-methylpropyloxy) phenyl)]Methyl group]Amino) pyridin-4-yl]3.5g of tert-butyl 2, 5-dihydropyrrole-1-carboxylate, yield 94.63% as yellow solid.
19.preparation of 4-tert-butyl-3- [3- [ (4-fluorophenyl) (hydroxy) methyl ] -2- ([ [4- (2-methylpropyloxy) phenyl ] methyl ] amino) pyridin-4-yl ] -2, 5-dihydropyrrole-1-carboxylate
3- [3- (4-fluorobenzoyl) -2- ([ [4- (2-methylpropyloxy) phenyl)]Methyl group]Amino) pyridin-4-yl]Tert-butyl-2, 5-dihydropyrrole-1-carboxylate (2.00 g,3.665 mmol) was added to a mixture of 14.00mL THF and 7.00mL water under nitrogen, cooled to 0deg.C, and NaBH was added 4 (208.01 mg,5.498 mmol) for 2 hours. After the completion of the reaction, the reaction was quenched with water, extracted with ethyl acetate (3X 10 mL), the organic phase (1X 10 mL) was washed with saturated brine, dried over anhydrous sodium sulfate, the solvent was distilled off under reduced pressure, and the purified product (PE: etOAc=3:1) was separated by column chromatography to give the compound tert-butyl-3- [3- [ (4-fluorophenyl) (hydroxy) methyl]-2- ([ [4- (2-methylpropyloxy) phenyl)]Methyl group]Amino) pyridin-4-yl]-2, 5-dihydroPyrrole-1-carboxylate 1.9g, yield 94.65% as yellow solid.
19.5 Preparation of 3- [ chloro (4-fluorophenyl) methyl ] -4- (2, 5-dihydro-1H-pyrrol-3-yl) -N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] pyridin-2-amine
Tert-butyl-3- [3- [ (4-fluorophenyl) (hydroxy) methyl)]-2- ([ [4- (2-methylpropyloxy) phenyl)]Methyl group]Amino) pyridin-4-yl]-2, 5-Dihydropyrrole-1-carboxylate (500.00 mg, 0.89mmol) was added to DCM (5.00 mL), nitrogen blanket, cooled to 0deg.C, and SOCl was slowly added dropwise 2 (529.51 mg, 4.457 mmol). After the reaction is finished, the solvent is distilled off under reduced pressure to obtain the compound 3- [ chloro (4-fluorophenyl) methyl]-4- (2, 5-dihydro-1H-pyrrol-3-yl) -N- [ [4- (2-methylpropyloxy) phenyl ]]Methyl group]1g of pyridin-2-amine.
19.6 Preparation of 3- [ (4-fluorophenyl) methyl ] -N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] -4- (pyrrolidin-3-yl) pyridin-2-amine
3- [ chloro (4-fluorophenyl) methyl group]-4- (2, 5-dihydro-1H-pyrrol-3-yl) -N- [ [4- (2-methylpropyloxy) phenyl ]]Methyl group]Pyridin-2-amine (1.00 g,2.146 mmol) and Pd/C (0.20 g,1.88 mmol) were added to CH 3 To COOH (10.00 mL) was added hydrogen gas, and the mixture was allowed to react overnight at room temperature. After the reaction is finished, filtering, concentrating the filtrate under reduced pressure to obtain the compound 3- [ (4-fluorophenyl) methyl]-N- [ [4- (2-methylpropyloxy) phenyl ]]Methyl group]-4- (pyrrolidin-3-yl) pyridin-2-amine 500mg, yield 53.74% as pale yellow solid.
19.7 Preparation of 3- [ (4-fluorophenyl) methyl ] -5- (1-methylpiperidin-4-yl) -N- [ [4- (2-methylpropyloxy) phenyl ] methyl ] pyridin-2-amine
3- [ (4-fluorophenyl) methyl group]-N- [ [4- (2-methylpropyloxy) phenyl ]]Methyl group]4- (pyrrolidin-3-yl) pyridin-2-amine (500.00 mg,1.153 mmol), HCHO (86.57 mg,2.883 mmol) and AcOH (207.76 mg,3.460 mmol) were added to 5.00mL of methanol, nitrogen protected, reacted at room temperature for 30 minutes and STAB (293.30 mg, 1.284 mmol) was added. After the reaction, adding water to quench the reaction, using CH 2 Cl 2 (3X 5 mL) extraction, washing the organic phase (1X 5 mL) with saturated brine, drying over anhydrous sodium sulfate, and evaporating the solvent under reduced pressure, and column chromatography to isolate and purify (DCM: meOH=20:1) to give compound 3- [ (4-fluorophenyl) methyl ]5- (1-methylpiperidin-4-yl) the preparation ofN- [ [4- (2-methylpropyloxy) phenyl ]]Methyl group]37.3mg of pyridin-2-amine was obtained in 7.23% yield. 1 H NMR(400MHz,Methanol-d4)δ7.93(d,J=6.6Hz,1H),7.18–7.03(m,7H),6.88–6.80(m,2H),4.61–4.56(m,2H),4.24(s,2H),3.88(s,2H),3.72(d,J=6.5Hz,2H),3.42(s,1H),3.01(s,4H),2.34(s,1H),2.23(s,2H),2.05(dp,J=13.3,6.7Hz,1H),1.03(d,J=6.8Hz,6H).LCMS(ES,m/z):434[M+H] +
EXAMPLE 20 (4-fluorophenyl) (2- ((4-isobutoxybenzyl) amino) -4- (1-methylpyrrolidin-3-yl) pyridin-3-yl) methanol
The title compound was prepared as in example 19 and has the structural formula shown in Table 1 under number (20). 1 H NMR(400MHz,DMSO-d 6 )δ7.88(d,J=5.4Hz,1H),7.22(td,J=6.9,5.8,2.0Hz,2H),7.18–7.03(m,2H),6.94–6.84(m,2H),6.74(dd,J=8.8,2.7Hz,2H),6.67(dd,J=6.5,5.4Hz,1H),6.51–6.37(m,2H),6.23(d,J=3.6Hz,1H),4.42(dd,J=14.9,5.8Hz,1H),4.29(dt,J=14.8,5.0Hz,1H),3.69(s,1H),3.67(s,2H),2.77–2.52(m,4H),2.28(d,J=1.9Hz,3H),1.97(dh,J=13.0,6.5Hz,2H),1.72(dq,J=14.4,7.3Hz,1H),0.96(d,J=6.6Hz,6H).LCMS(ES,m/z):464[M+H] +
EXAMPLE 21.3- (4-Fluorobenzyl) -N- (4-isobutoxybenzyl) -5- (1-methylpiperidin-4-yl) pyridin-2-amine
The title compound was prepared by the method of example 19 substituting tert-butyl 3- (4, 5-tetramethyl-1, 3, 2-dioxaborane-2-yl) -2, 5-dihydro-1H-pyrrole-1-carboxylate with N-Boc-1,2,5, 6-tetrahydropyridine-4-boronic acid pinacol ester, the structural formula of which is shown in the number (21) in table 1. 1 H NMR(400MHz,Methanol-d 4 )δ7.78(d,J=2.3Hz,1H),7.21–7.13(m,3H),7.07–6.97(m,4H),6.82–6.74(m,2H),4.46(s,2H),3.85(s,2H),3.71(d,J=6.5Hz,2H),2.99(dt,J=12.2,3.2Hz,2H),2.44(tt,J=12.0,4.0Hz,1H),2.33(s,3H),2.17(td,J=12.0,2.8Hz,2H),2.05(dq,J=13.3,6.7Hz,1H),1.85–1.77(m,2H),1.77–1.63(m,2H),1.03(d,J=6.7Hz,6H).LCMS(ES,m/z):462[M+H] +
EXAMPLE 22 (3- ((5-fluoropyridin-2-yl) methyl) -N- (4-isobutoxybenzyl) -5- (1-methylpiperidin-4-yl) pyridin-2-amine
The reaction is carried outThe title compound was prepared by the method of example 19 by substituting 5-fluoro-N-methoxy-N-methylpyridine-2-carboxamide for 4-fluoro-N-methoxy-N-methylbenzamide and has the structural formula shown in table 1 under number (22). 1 H NMR(400MHz,Methanol-d4)δ8.24(d,J=2.9Hz,1H),7.79(d,J=2.3Hz,1H),7.53(td,J=8.6,3.0Hz,1H),7.39–7.31(m,2H),7.17–7.09(m,2H),6.88–6.79(m,2H),4.46(s,2H),3.99(s,2H),3.74(d,J=6.5Hz,2H),3.04–2.96(m,2H),2.45(ddt,J=11.9,8.1,4.2Hz,1H),2.34(s,3H),2.17(td,J=11.9,2.9Hz,2H),2.06(dp,J=13.3,6.6Hz,1H),1.86–1.66(m,4H),1.04(d,J=6.7Hz,6H).LCMS(ES,m/z):463[M+H] +
EXAMPLE 23.3- [ (5-Fluoropyridin-2-yl) methyl ] -N- (4-isobutoxybenzyl) -4- (1-methylpyrrolidin-3-yl) pyridin-2-amine
The title compound was prepared as in example 19, substituting 4-fluoro-N-methoxy-N-methylbenzamide for 5-fluoro-N-methoxy-N-methylpyridine-2-carboxamide, tert-butyl 3- (4, 5-tetramethyl-1, 3, 2-diboron-oxy-2-yl) -2, 5-dihydropyrrole-1-carboxylate for N-Boc-1,2,5, 6-tetrahydropyridine-4-boronic acid pinacol ester, and having the structural formula shown in table 1 under number (23). 1 H NMR(400MHz,Methanol-d 4 )δ8.26(d,J=2.9Hz,1H),7.91(d,J=5.5Hz,1H),7.50(td,J=8.6,3.0Hz,1H),7.22(dd,J=8.7,4.4Hz,1H),7.17–7.09(m,2H),6.87–6.78(m,2H),6.74(d,J=5.6Hz,1H),4.47(s,2H),4.14(s,2H),3.89–3.76(m,1H),3.72(d,J=6.5Hz,2H),2.96(dd,J=9.8,8.1Hz,1H),2.92–2.81(m,1H),2.76(td,J=8.9,5.9Hz,1H),2.56(dd,J=9.8,8.0Hz,1H),2.44(s,3H),2.27(dddd,J=17.2,15.0,10.5,6.7Hz,1H),2.05(hept,J=6.6Hz,1H),1.88(dtd,J=13.5,8.1,6.3Hz,1H),1.04(d,J=6.7Hz,6H).LCMS(ES,m/z):449[M+H] +
Pharmacological examples:
in vitro receptor binding assay
1. Experimental method
1.1 Preparation of solutions required for experiments
A: (for the preparation of 5-HT 2C Receptor membrane): 50mM Tris-HCl buffer: 96.8g Tris was dissolved in double distilled water to a total volume of 4000ml, pH adjusted to 7.5 with HCl, diluted to 16000mL, pH=7.4
B: (for the preparation of 5-HT 2A Receptor membrane): weighing 11.7mg EDTA,380.84mg MgCl 2 The total volume of 50mM Tris-HCl buffer was 400mL and pH=7.4 was adjusted. So that the final concentration is EDTA0.1mM and MgCl respectively 2 10mM。
C: (for preparing a Dopamine receptor film): weighing 2.978gHEPES,1.17g NaCl,0.119g MgCl 2 36.5mg EDTA was added to a total volume of 250ml of purified water to adjust pH=7.4. To final concentrations of 50mM HEPES,50mM NaCl,5mM MgCl respectively 2 ,0.5mM EDTA,pH 7.4。
1.2 preparation of receptor membranes
1)CHO-5-HT 2A Preparation of acceptor membranes
CHO-5-HT 2A The cells were removed from the freezer at-80℃and naturally thawed and centrifuged at 2000g for 15 minutes at 4 ℃. Taking the precipitate, and discarding the supernatant. Adding solution B into the sediment. The cells were mixed for 20-30 seconds and then centrifuged at 50000g for 25min at 4 ℃. Carefully discarding the supernatant, adding the solution B again, mixing well, centrifuging at 4 ℃ for 25min and 50000 g. The precipitate was stored at-80 ℃.
2)5-HT 2C Preparation of the film
Taking out rat cortex at-80deg.C, naturally thawing, adding solution A, homogenizing for 4 times at 4 th gear for 3-4s, centrifuging at-80deg.C for 25min, discarding supernatant, adding solution A, mixing with vortex mixer, centrifuging at-80deg.C for 25min, repeating the centrifugation twice, discarding supernatant, and storing at-80deg.C.
3)CHO-D 2 Preparation of acceptor membranes
Cell CHO-D 2 Naturally thawing after taking out by a refrigerator at-80 ℃, centrifuging 2000g for 15min, adding the precipitate into homogenate C, uniformly mixing by a vortex mixer, centrifuging at 50000g and 4 ℃ for 25min, discarding the supernatant, taking the precipitate, adding the buffer solution C again for washing, resuspending and centrifuging, discarding the supernatant after centrifuging, and storing the precipitate at-80 ℃ for later use.
1.3 receptor competitive binding assay
1)5-HT 2A Receptor competitive binding assay
The first step: the prepared membrane is prepared into suspension of 10mg/mL membrane by homogenate B for standby.
And a second step of: each reaction tube was charged with 100. Mu.L of the membrane preparation.
And a third step of: total binding Tube (TB) was filled with 100. Mu. L B solution, non-specific binding tube (NB) was filled with methyl 100. Mu.L (final concentration 1.0X10) -5 M) 100. Mu.L of test compound was added to each test compound tube (CB).
Fourth step: the radioligand is added into each reaction tube 3 H-Ketanserin 10. Mu.L, final concentration 2.98nM.
Fifth step: incubating each reaction tube at 37 ℃ for 25min, after the reaction, quickly filtering the Whatman test paper GF/C plate under reduced pressure to soak the combined ligand with 0.5% PEI for more than 1h, drying the filter membrane at 60 ℃ after filtering, adding 40 mu L of scintillation liquid after attaching a bottom membrane, sealing the upper membrane, and standing.
Sixth step: the scintillation cup is placed into a liquid scintillation counter for counting.
2)5-HT 2C Receptor competitive binding assay
The first step: the prepared membrane is prepared into suspension of 210mg/mL membrane by homogenate B for standby.
And a second step of: each reaction tube was charged with 100. Mu.L of the membrane preparation.
And a third step of: total binding Tube (TB) was filled with 100. Mu. L B solution, nonspecific binding tube (NB) was filled with Ketansert (final concentration 1.0X10) -5 M) 100. Mu.L of each test compound tube (CB) was charged with 100. Mu.L of test compound.
Fourth step: the radioligand is added into each reaction tube 3 H-Mesulergine 10. Mu.L, final concentration 3nM.
Fifth step: after the reaction tube was incubated at 37℃for 25min, the bound ligands were rapidly filtered under reduced pressure, whatman paper GF/C was saturated with 0.5% PEI solution 1h ahead, washed well with ice-cold Tris buffer, the filter was removed and placed in a 4mL scintillation cup, 1mL toluene scintillation solution was added and mixed well.
Sixth step: the scintillation cup is placed into a liquid scintillation counter for counting.
3)CHO-D 2 Receptor competitive binding assay
The first step: the prepared membrane is prepared into 8mg/mL membrane suspension by homogenate C for standby.
And a second step of: each reaction tube was charged with 100. Mu.L of the membrane preparation.
And a third step of: total binding Tube (TB) was filled with 100. Mu. L C solution and non-specific binding tube (NB) was filled with 100. Mu.L Haloposteridol (final concentration 1.0X10) -5 M) 100. Mu.L of test compound was added to each test compound-binding tube (CB).
Fourth step: the radioligand is added into each reaction tube 3 H-Spiponone 10. Mu.L, final concentration 1.176nM.
Fifth step: incubating each reaction tube at 37 ℃ for 25min, after the reaction, quickly filtering the Whatman test paper GF/B plate by decompression, soaking the combined ligand in 0.5% PEI for more than 1h, filtering, drying the filter membrane at 60 ℃, attaching a bottom membrane, adding 40 mu L of scintillation liquid, sealing the upper membrane, and standing.
Sixth step: and (5) putting the filter plate into a liquid flash counter for counting.
2 experimental results
Pimozide 5-HT 2A 、5-HT 2C The receptor Ki values were 0.036, 2.94nM, compound 1 and 5-HT, respectively 2A 、5-HT 2C Receptor Ki values of 0.005 and 8.19nM, respectively, are superior to pimozide; compound 7 and 5-HT 2A 、5-HT 2C Receptor Ki values of 0.0064 and 162.1nM, respectively, are superior to pimozide. The details are given in the following table.
Table 2 in vitro receptor binding Activity (Ki value, nM) of the compounds
Figure BDA0004013333460000351
Figure BDA0004013333460000361
In vitro hERG assay
Cells were seeded onto slides with cell densities below 50% and cultured overnight. The experimental cells were transferred to a bath of about 1ml embedded in an inverted microscope platform, and the extracellular fluid was perfused at a perfusion rate of 2.7 ml/min. After 5 minutes of stabilization, the experiment was started. Membrane current was recorded using a HEKAEPC-10 patch clamp amplifier and PATCHMASTER acquisition system (HEKAInstruments inc. D-67466lambrecht, pfalz, germany). All experiments were performed at room temperature (22-24 ℃).
A P-97 microelectrode drawing instrument (Sutter Instrument Company, one Digital Drive, novat, calif. 94949) was used in the experiment to straighten the electrode (BF 150-110-10). The inner diameter of the electrode is 1-1.5mm, and the water inlet resistance after being filled with the internal liquid is 2-4MΩ.
The electrophysiological stimulation scheme of hERG potassium channel is that first, the membrane voltage is clamped at-80 mV, the cell is stimulated for 2s, +20mV voltage, the hERG potassium channel is activated, and then repolarized to-50 mV for 5s, so as to generate outward tail current, and the stimulation frequency is once every 15 s. The current value is the peak value of the tail current.
The channel current was recorded using a whole cell recording mode in the experiment. Extracellular fluid (approximately 2 ml per minute) was first perfused and recorded continuously, and current stabilization was awaited (current decay (Run-Down) less than 5% in 5 minutes), at which point the tail current peak was the control current value. And then, the extracellular fluid containing the drug to be detected is perfused and continuously recorded until the inhibition effect of the drug on hERG current reaches a stable state, and at the moment, the tail current peak value is the current value after drug addition. The steady state criteria is determined by whether the nearest 3 consecutive current traces overlap. After reaching the steady state, if hERG current reverts to or approaches the magnitude prior to drug administration after rinsing with extracellular fluid perfusion, then perfusion testing may continue for other concentrations or drugs.
Experimental results:
pimecrin hERG assay IC50 is 208nM, compound 6, compound 10, compound 11, compound 15, compound 23 are less cardiotoxic than pimecrin. The results are shown in the following table.
Table 3 in vitro hERG test results of compounds
Numbering of compounds hERG(nM)
6 564
10 319
11 355
15 643
23 356
Pimozhen lin 208
Animal experiment
Mouse head-shaking test
1 test method
Mice were randomly divided into model control groups, blank control groups, and each dosing group after weight stratification. 1h after the animal is subjected to gastric lavage administration of the solvent or the drug, the animal is placed in a beaker (with the diameter of 13cm and the height of 19 cm) paved with fresh padding, the molding drug DOI ((+ -.) -1- (2, 5-dimethoxy-4-iodophenyl) -2-aminopropane hydrochloride, (+ -.) -2, 5-dimethoxy-4-iodoamphetamine hydrochloride) is injected intraperitoneally according to the dosage of 1mg/kg, and the number of times of head throwing of the mice within 0-20 minutes after the intraperitoneal injection of the DOI is recorded. The head-flick behavior is defined as rapid rotational twitching or wet dog-like shaking of the mouse head, which is distinguished from normal grooming or exploratory behavior.
2 test results
The test result shows that the ED50 of the pimecrin for inhibiting DOI from inducing the head throwing behavior of the mice is 0.39mg/kg, the ED50 of the compound 7 for inhibiting DOI from inducing the head throwing behavior of the mice is 0.83mg/kg, and the compound has better effect of resisting the mental diseases, and the animal model result is equivalent to that of the pimecrin. The detailed results are shown in the following table.
Table 4 ED50 of pimecrin and like compounds for inhibiting DOI-induced mice head-flick behavior
Numbering of compounds ED50(mg/kg)
Pimozhen lin 0.39
7 0.83
Note that: ED50, the half of the effective amount.

Claims (9)

1. A compound of formula 1 or a pharmaceutically acceptable salt thereof:
Figure FDA0004013333450000011
z, Q are each independently selected from C, N and Z, Q are not simultaneously C; r is R 13 Is C 1 -C 5 Straight or branched alkyl of (a);
R 1 selected from the structures of H and formula II,
R 2 in the absence of the H or formula II structure,
Figure FDA0004013333450000012
a is C or N;
R 6 is H or halogen; r is R 7 Is H or OH;
R 5 is H or
Figure FDA0004013333450000013
R 4 Is H, halogen or a structure of formula III, or R 5 And R is R 4 Forming benzene ring;
Figure FDA0004013333450000014
in the formula III, n1 is an integer of 0-3, W 3 Is C or N;
R 8 is C 1 -C 3 Straight or branched alkyl of (a);
R 3 is H, of formula IV, V or VI:
Figure FDA0004013333450000021
wherein in the formula IV, n2 is an integer of 0-3, and n4 and n5 are respectively and independently selected from integers of 1-3;
W 1 、W 2 each independently selected from C, N;
R 9 selected from H, C 1 -C 3 Straight or branched alkyl, formaldehyde, acetaldehyde, dimethylamino;
in the formula VI, n3 is an integer of 0-1;
in the formula V, R 10 、R 11 Are respectively and independently selected from H, C 1 -C 3 Straight or branched alkyl of (a).
2. The compound of formula I or a pharmaceutically acceptable salt thereof according to claim 1, wherein the compound of formula 1 is a compound of formula I-1
Figure FDA0004013333450000022
Z is C, N.
3. A compound of formula I according to claim 1 or 2, or a pharmaceutically acceptable salt thereof, wherein the halogen is selected from fluorine, chlorine, bromine and iodine.
4. A compound of formula I or a pharmaceutically acceptable salt thereof according to claim 1 or 2, wherein C 1 -C 5 The straight or branched alkyl of (a) is selected from methyl, ethyl, propyl, isopropyl, butyl, isobutyl, pentyl, isopentyl.
5. A compound of formula I as claimed in any one of claims 1 to 4, or a pharmaceutically acceptable salt thereof, wherein the compound is selected from any one of the following:
n- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) pyrimidin-2-amine;
n- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (1-methylpyrrolidin-3-yl) pyrimidin-2-amine;
n- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (piperazin-1-yl) pyrimidin-2-amine;
4- [2- [ (4-fluorobenzyl) (4-isobutoxybenzyl) amino ] pyrimidin-4-yl ] piperazine-1-carbaldehyde;
n- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (piperidin-4-yl) pyrimidin-2-amine;
n- (4-fluorobenzyl) -4- (hexahydropyrrolo [1,2-a ] pyrazin-2 (1H) -yl) -N- (4-isobutoxybenzyl) pyrimidin-2-amine;
4- (azetidin-3-yl) -N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyrimidin-2-amine;
5-fluoro-N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) pyrimidin-2-amine;
5-chloro-N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) pyrimidin-2-amine;
4- [3- (dimethylamino) azetidin-1-yl ] -N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyrimidin-2-amine;
N-benzyl-N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) pyrimidin-2-amine;
n- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (1-methylazetidin-3-yl) pyrimidin-2-amine;
n- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) quinazolin-2-amine;
4- [3- (dimethylamino) cyclobutyl ] -N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyrimidin-2-amine; 4- [ (dimethylamino) methyl ] -N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyridin-2-amine;
4- (aminomethyl) -N- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) pyridin-2-amine;
n- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (pyrrolidin-3-yl) pyridin-2-amine;
n- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -6- (pyrrolidin-3-yl) pyridin-2-amine;
3- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -4- (1-methylpyrrolidin-3-yl) pyridin-2-amine;
(4-fluorophenyl) [2- [ (4-isobutoxybenzyl) amino ] -4- (1-methylpyrrolidin-3-yl) pyridin-3-yl ] methanol;
3- (4-fluorobenzyl) -N- (4-isobutoxybenzyl) -5- (1-methylpiperidin-4-yl) pyridin-2-amine;
3- [ (5-fluoropyridin-2-yl) methyl ] -N- (4-isobutoxybenzyl) -5- (1-methylpiperidin-4-yl) pyridin-2-amine;
3- [ (5-fluoropyridin-2-yl) methyl ] -N- (4-isobutoxybenzyl) -4- (1-methylpyrrolidin-3-yl) pyridin-2-amine.
6. A pharmaceutical composition comprising a compound according to any one of claims 1 to 5 or a pharmaceutically acceptable salt thereof, optionally further comprising a pharmaceutically acceptable excipient, carrier, adjuvant, vehicle, or combination thereof.
7. Use of a compound according to any one of claims 1 to 5 or a pharmaceutically acceptable salt thereof or a pharmaceutical composition according to claim 6 in the manufacture of a medicament for the treatment of psychotic disorders.
8. The use according to claim 7, wherein the psychotic disorder is schizophrenia.
9. The use according to claim 8, wherein the psychotic disorder is parkinson's disease, dementia-related behavioral disorders and psychoses.
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