Category: 35621-01-3

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of Heterocyclic Chemistry called The synthesis of a series of 7-amino-1-cyclopropyl-8-fluoro-1,4-dihydro-4-oxo-1,6-naphthyridine-3-carboxylic acids as potential antibacterial agents, Author is Sanchez, Joseph P.; Gogliotti, Rocco D., which mentions a compound: 35621-01-3, SMILESS is NC1CCNCC1.[H]Cl.[H]Cl, Molecular C5H14Cl2N2, Product Details of 35621-01-3.

A series of title compounds I [R = 3-aminopyrrolidin-1-yl, 3-(ethylaminomethyl)pyrrolidin-1-yl, 4-aminopiperidin-1-yl, piperazin-1-yl] was prepared and evaluated for antibacterial activity (no data). I were prepared by the displacement of the chloro substituent from I (R = Cl) with the requisite nitrogen nucleophile. The naphthyridine acid was synthesized in ten steps from pyridinecarboxylate II (R1 = OH, R2 = NO2). The key step in the sequence was a Schiemann reaction of II (R1 = Cl, R2 = N2+ PF6-) to give II (R1 = Cl, R2 = F).

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Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Piperidin-4-amine dihydrochloride(SMILESS: NC1CCNCC1.[H]Cl.[H]Cl,cas:35621-01-3) is researched.Safety of 5-Methylfuran-2(3H)-one. The article 《Putrescine or spermidine binding site of aminopropyltransferases and competitive inhibitors》 in relation to this compound, is published in Biochemical Pharmacology. Let’s take a look at the latest research on this compound (cas:35621-01-3).

A model of the active site of aminopropyltransferases was proposed based on the study of a number of monoamino and diamino compounds as potential inhibitors and substrates, resp., of spermidine synthase purified from pig liver. The active site seems to have a relatively large hydrophobic cavity adjacent to a neg. charged site, to which a protonated amino group of putrescine binds, with another amino group of putrescine being situated in the hydrophobic cavity as a free form to be aminopropylated by decarboxylated S-adenosylmethionine. On the basis of the above-mentioned model, another modified one was proposed for spermine synthase, and several compounds designed according to the modified model were found to potently inhibit spermine synthase, purified from rat brain, in competition with spermidine. The newly developed inhibitors were about two orders of magnitude more potent in vitro than a known inhibitor of spermine synthase, dimethyl(5′-adenosyl)sulfonium perchlorate.

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Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

COA of Formula: C5H14Cl2N2. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Piperidin-4-amine dihydrochloride, is researched, Molecular C5H14Cl2N2, CAS is 35621-01-3, about Efficient and Scalable Method for the Selective Alkylation and Acylation of Secondary Amines in the Presence of Primary Amines. Author is Laduron, Frederic; Tamborowski, Vanessa; Moens, Luc; Horvath, Andras; De Smaele, Dirk; Leurs, Stef.

Selective substitution of secondary amines in the presence of primary amines is performed by using the reaction solvent, Me isobutylketone (MIBK), as a temporary protecting group for the primary amine. After acylation or alkylation of the secondary amine, the resulting imine intermediate is smoothly hydrolyzed, leading to the free primary amine in high yield and purity. This procedure represents a cheap and scalable alternative to multistep methods requiring several protections and deprotections.

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Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Piperidin-4-amine dihydrochloride(SMILESS: NC1CCNCC1.[H]Cl.[H]Cl,cas:35621-01-3) is researched.Safety of 5-Methylfuran-2(3H)-one. The article 《Putrescine or spermidine binding site of aminopropyltransferases and competitive inhibitors》 in relation to this compound, is published in Biochemical Pharmacology. Let’s take a look at the latest research on this compound (cas:35621-01-3).

A model of the active site of aminopropyltransferases was proposed based on the study of a number of monoamino and diamino compounds as potential inhibitors and substrates, resp., of spermidine synthase purified from pig liver. The active site seems to have a relatively large hydrophobic cavity adjacent to a neg. charged site, to which a protonated amino group of putrescine binds, with another amino group of putrescine being situated in the hydrophobic cavity as a free form to be aminopropylated by decarboxylated S-adenosylmethionine. On the basis of the above-mentioned model, another modified one was proposed for spermine synthase, and several compounds designed according to the modified model were found to potently inhibit spermine synthase, purified from rat brain, in competition with spermidine. The newly developed inhibitors were about two orders of magnitude more potent in vitro than a known inhibitor of spermine synthase, dimethyl(5′-adenosyl)sulfonium perchlorate.

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Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

COA of Formula: C5H14Cl2N2. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: Piperidin-4-amine dihydrochloride, is researched, Molecular C5H14Cl2N2, CAS is 35621-01-3, about Efficient and Scalable Method for the Selective Alkylation and Acylation of Secondary Amines in the Presence of Primary Amines. Author is Laduron, Frederic; Tamborowski, Vanessa; Moens, Luc; Horvath, Andras; De Smaele, Dirk; Leurs, Stef.

Selective substitution of secondary amines in the presence of primary amines is performed by using the reaction solvent, Me isobutylketone (MIBK), as a temporary protecting group for the primary amine. After acylation or alkylation of the secondary amine, the resulting imine intermediate is smoothly hydrolyzed, leading to the free primary amine in high yield and purity. This procedure represents a cheap and scalable alternative to multistep methods requiring several protections and deprotections.

In addition to the literature in the link below, there is a lot of literature about this compound(Piperidin-4-amine dihydrochloride)COA of Formula: C5H14Cl2N2, illustrating the importance and wide applicability of this compound(35621-01-3).

Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Formula: C5H14Cl2N2. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Piperidin-4-amine dihydrochloride, is researched, Molecular C5H14Cl2N2, CAS is 35621-01-3, about Polyamine Analog Regulation of NMDA MK-801 Binding: A Structure-Activity Study. Author is Bergeron, Raymond J.; Weimar, William R.; Wu, Qianhong; Feng, Yang; McManis, James S..

A series of analogs and homologs of spermine were synthesized, and their impact on MK-801 binding to the N-methyl-D-aspartate (NMDA) receptor was evaluated. These tetraamines encompass both linear and cyclic compounds The linear mols. include norspermine, N1,N11-diethylnorspermine, N1,N12-bis(2,2,2-trifluoroethyl)spermine, homospermine, and N1,N14-diethylhomospermine. The cyclic tetraamines consist of the piperidine analogs N1,N3-bis(4-piperidinyl)-1,3-diaminopropane, N1,N4-bis(4-piperidinyl)-1,4-diaminobutane, N1,N4-bis(4-piperidinylmethyl)-1,4-diaminobutane, and N1,N4-bis[2-(4-piperidinyl)ethyl]-1,4-diaminobutane and the pyridine analogs N1,N3-bis(4-pyridyl)-1,3-diaminopropane, N1,N4-bis(4-pyridyl)-1,4-diaminobutane, N1,N4-bis(4-pyridylmethyl)-1,4-diaminobutane, and N1,N4-bis[2-(4-pyridyl)ethyl]-1,4-diaminobutane. This structure-activity set makes it possible to establish the importance of charge, intercharge distance, and terminal nitrogen substitution on polyamine-regulated MK-801 binding in the NMDA channel. Four families of tetraamines are included in this set: norspermines, spermines, homospermines, and tetraazaoctadecanes. Calculations employing a SYBYL modeling program revealed that the distance between terminal nitrogens ranges between 12.62 and 19.61 Å. The tetraamines are constructed such that within families cyclics and acyclics have similar lengths but different nitrogen pKa’s and thus different protonation, or charge, states at physiol. pH. The pKa values for all nitrogens of each mol. and its protonation state at physiol. pH are described. The modifications at the terminal nitrogens include introduction of Et and β,β,β-trifluoroethyl groups and incorporation into piperidinyl or pyridyl systems. The studies clearly indicate that polyamine length, charge, and terminal nitrogen substitution have a significant effect on how the tetraamine regulates MK-801 binding to the NMDA receptor. Thus a structure-activity basis set on which future design of MK-801 agonists and antagonists can be based is now available.

In addition to the literature in the link below, there is a lot of literature about this compound(Piperidin-4-amine dihydrochloride)Formula: C5H14Cl2N2, illustrating the importance and wide applicability of this compound(35621-01-3).

Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of Heterocyclic Chemistry called The synthesis of a series of 7-amino-1-cyclopropyl-8-fluoro-1,4-dihydro-4-oxo-1,6-naphthyridine-3-carboxylic acids as potential antibacterial agents, Author is Sanchez, Joseph P.; Gogliotti, Rocco D., which mentions a compound: 35621-01-3, SMILESS is NC1CCNCC1.[H]Cl.[H]Cl, Molecular C5H14Cl2N2, Synthetic Route of C5H14Cl2N2.

A series of title compounds I [R = 3-aminopyrrolidin-1-yl, 3-(ethylaminomethyl)pyrrolidin-1-yl, 4-aminopiperidin-1-yl, piperazin-1-yl] was prepared and evaluated for antibacterial activity (no data). I were prepared by the displacement of the chloro substituent from I (R = Cl) with the requisite nitrogen nucleophile. The naphthyridine acid was synthesized in ten steps from pyridinecarboxylate II (R1 = OH, R2 = NO2). The key step in the sequence was a Schiemann reaction of II (R1 = Cl, R2 = N2+ PF6-) to give II (R1 = Cl, R2 = F).

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Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Formula: C5H14Cl2N2. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: Piperidin-4-amine dihydrochloride, is researched, Molecular C5H14Cl2N2, CAS is 35621-01-3, about Polyamine Analog Regulation of NMDA MK-801 Binding: A Structure-Activity Study.

A series of analogs and homologs of spermine were synthesized, and their impact on MK-801 binding to the N-methyl-D-aspartate (NMDA) receptor was evaluated. These tetraamines encompass both linear and cyclic compounds The linear mols. include norspermine, N1,N11-diethylnorspermine, N1,N12-bis(2,2,2-trifluoroethyl)spermine, homospermine, and N1,N14-diethylhomospermine. The cyclic tetraamines consist of the piperidine analogs N1,N3-bis(4-piperidinyl)-1,3-diaminopropane, N1,N4-bis(4-piperidinyl)-1,4-diaminobutane, N1,N4-bis(4-piperidinylmethyl)-1,4-diaminobutane, and N1,N4-bis[2-(4-piperidinyl)ethyl]-1,4-diaminobutane and the pyridine analogs N1,N3-bis(4-pyridyl)-1,3-diaminopropane, N1,N4-bis(4-pyridyl)-1,4-diaminobutane, N1,N4-bis(4-pyridylmethyl)-1,4-diaminobutane, and N1,N4-bis[2-(4-pyridyl)ethyl]-1,4-diaminobutane. This structure-activity set makes it possible to establish the importance of charge, intercharge distance, and terminal nitrogen substitution on polyamine-regulated MK-801 binding in the NMDA channel. Four families of tetraamines are included in this set: norspermines, spermines, homospermines, and tetraazaoctadecanes. Calculations employing a SYBYL modeling program revealed that the distance between terminal nitrogens ranges between 12.62 and 19.61 Å. The tetraamines are constructed such that within families cyclics and acyclics have similar lengths but different nitrogen pKa’s and thus different protonation, or charge, states at physiol. pH. The pKa values for all nitrogens of each mol. and its protonation state at physiol. pH are described. The modifications at the terminal nitrogens include introduction of Et and β,β,β-trifluoroethyl groups and incorporation into piperidinyl or pyridyl systems. The studies clearly indicate that polyamine length, charge, and terminal nitrogen substitution have a significant effect on how the tetraamine regulates MK-801 binding to the NMDA receptor. Thus a structure-activity basis set on which future design of MK-801 agonists and antagonists can be based is now available.

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Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 35621-01-3, is researched, SMILESS is NC1CCNCC1.[H]Cl.[H]Cl, Molecular C5H14Cl2N2Journal, Journal of Heterocyclic Chemistry called The synthesis of a series of 7-amino-1-cyclopropyl-8-fluoro-1,4-dihydro-4-oxo-1,6-naphthyridine-3-carboxylic acids as potential antibacterial agents, Author is Sanchez, Joseph P.; Gogliotti, Rocco D., the main research direction is aminonaphthyridinecarboxylic acid preparation potential bactericide; Schiemann fluorination pyridyldiazonum salt.Related Products of 35621-01-3.

A series of title compounds I [R = 3-aminopyrrolidin-1-yl, 3-(ethylaminomethyl)pyrrolidin-1-yl, 4-aminopiperidin-1-yl, piperazin-1-yl] was prepared and evaluated for antibacterial activity (no data). I were prepared by the displacement of the chloro substituent from I (R = Cl) with the requisite nitrogen nucleophile. The naphthyridine acid was synthesized in ten steps from pyridinecarboxylate II (R1 = OH, R2 = NO2). The key step in the sequence was a Schiemann reaction of II (R1 = Cl, R2 = N2+ PF6-) to give II (R1 = Cl, R2 = F).

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Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Synthesis of 4-aminopiperidine》. Authors are Yakhontov, L. N.; Yatsenko, S. V.; Rubtsov, M. V..The article about the compound:Piperidin-4-amine dihydrochloridecas:35621-01-3,SMILESS:NC1CCNCC1.[H]Cl.[H]Cl).Product Details of 35621-01-3. Through the article, more information about this compound (cas:35621-01-3) is conveyed.

Hydrogenation of 4-aminopyridine in alc. HCl over Pt at room temperature and 80 atm. H gave 16.5% 4-aminopiperidine-2HCl (I), m. 331-3° (picrate m. 245°). Hydrogenation of isonicotinic hydrazide in 4% HCl over Pt at room temperature gave 76% isonipecotinic hydrazide-2HCl, m. 240-2°. This treated with NaNO2 at -5°, then concentrated, and the resulting precipitate extracted with hot EtOH gave after refluxing 6 hrs. further with concentrated HCl 35% 4-aminopiperidine, isolated as HCl salt identical with the above. Hydrogenation of isonicotinic acid-HCl in 4% HCl over Pt gave isonipecotinic acid-HCl, decompose 299°, which treated with NaN3 in the presence of H2SO4 in C6H6 at 40° gave after aqueous treatment with NaOH 66% 4-aminopiperidine, isolated as HCl salt. Isonipecotinic acid HCl salt (II) and HN3 in H2SO4 and C6H6 gave at 80° 62% 4-aminopiperidine HCl salt. Refluxing II with NaO2CH and HCO2H 3 hrs. gave 44% 1-formylisonipecotinic acid, m. 136-38°. Heating I with HCO2Na in HCONH2 7 hrs. gave after aqueous treatment 62.5% 1-formyl-4-formamidopiperidine, m. 77-9°.

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Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia