Category: nitriles-buliding-blocks

Hirota, Kosaku published the artcileEfficient synthesis of 2,9-disubstituted 8-hydroxyadenine derivatives, Quality Control of 5098-14-6, the publication is Organic & Biomolecular Chemistry (2003), 1(8), 1354-1365, database is CAplus and MEDLINE.

An efficient and general method for the synthesis of 2,9-disubstituted 8-hydroxyadenines, e.g. I, which are expected to have various biol. activities, was realized. 5-Amino-4-cyano-2-hydroxyimidazoles, e.g. II, were prepared from aminomalononitrile and isocyanates as key intermediates. The condensation of II with amidines, imidates, guanidine, urea and thioureas afforded 8-hydroxyadenines, e.g. III, possessing various substituents at the 2-position. Furthermore, selective alkylation of 2-amino- and 2-hydroxyadenines (IV and V) successively proceeded to give the corresponding 2-alkylamino- and 2-alkoxyadenines, resp. 2-Alkylthioadenines, e.g. VI, were prepared by an analogous reaction of II with benzoyl isothiocyanate and subsequent S-alkylation. The imidazoles, e.g. II, are most useful intermediates for the synthesis of 8-hydroxyadenine derivatives

Organic & Biomolecular Chemistry published new progress about 5098-14-6. 5098-14-6 belongs to nitriles-buliding-blocks, auxiliary class Nitrile,Salt,Sulfonic acid,Amine,Benzene, name is 2-Aminomalononitrile 4-methylbenzenesulfonate, and the molecular formula is C10H11N3O3S, Quality Control of 5098-14-6.

Referemce:
https://en.wikipedia.org/wiki/Nitrile,
Nitriles – Chemistry LibreTexts

Hirota, Kosaku published the artcileSynthesis and biological evaluation of 2,8-disubstituted 9-benzyladenines: discovery of 8-mercaptoadenines as potent interferon-inducers, COA of Formula: C10H11N3O3S, the publication is Bioorganic & Medicinal Chemistry (2003), 11(13), 2715-2722, database is CAplus and MEDLINE.

Recently, we have identified 9-benzyl-8-hydroxyadenines bearing an appropriate substituent (a butoxy, propylthio or butylamino group) at the 2-position as potent interferon (IFN)-inducers. Herein we report the design, synthesis, and IFN-inducing activity of 8-substituted 9-benzyladenines possessing such an appropriate substituent at the 2-position. Introduction of the appropriate substituent into the 2-position of the adenine nucleus gave rise to expression of the activity even in 9-benzyladenines bearing no hydroxyl group at the 8-position. An amino group at the 6-position and a hydroxyl or thiol group carrying an acidic proton at the 8-position are required to express excellent IFN-inducing activity. 9-Benzyl-2-butoxy-8-mercaptoadenine indicated the most potent activity with MEC of 0.001 μM.

Bioorganic & Medicinal Chemistry published new progress about 5098-14-6. 5098-14-6 belongs to nitriles-buliding-blocks, auxiliary class Nitrile,Salt,Sulfonic acid,Amine,Benzene, name is 2-Aminomalononitrile 4-methylbenzenesulfonate, and the molecular formula is C10H11N3O3S, COA of Formula: C10H11N3O3S.

Referemce:
https://en.wikipedia.org/wiki/Nitrile,
Nitriles – Chemistry LibreTexts

Huang, Deguang published the artcileReactions of the Terminal Ni^II-OH Group in Substitution and Electrophilic Reactions with Carbon Dioxide and Other Substrates: Structural Definition of Binding Modes in an Intramolecular Ni^II···Fe^II Bridged Site, Application In Synthesis of 68569-14-2, the publication is Journal of the American Chemical Society (2010), 132(13), 4693-4701, database is CAplus and MEDLINE.

A singular feature of the catalytic C-cluster of CO dehydrogenase is a sulfide-bridged Ni···Fe locus where substrate is bound and transformed in the reversible reaction CO + H₂O â‡?CO₂ + 2H⁺ + 2e^–. A similar structure was sought. Mononuclear planar Ni^II complexes [Ni(pyN₂^Me2)L]^1- (pyN₂^Me2 = bis(2,6-dimethylphenyl)-2,6-pyridinedicarboxamidate(2-)) derived from a NNN pincer ligand were prepared including L = OH^– (1) and CN^– (7). Complex 1 reacts with Et formate and CO₂ to form unidentate L = HCO₂^– (5) and HCO₃^– (6) products. A binucleating macrocycle was prepared which specifically binds Ni^II at a NNN pincer site and five-coordinate Fe^II at a triamine site. The Ni^II macrocycle forms [Ni(OH)(pyN₂dien^Me3)L]^1- (14) and [Ni(CN)(pyN₂dien^Me3)L]^1-complexes (15) analogous to 1 and 7. Reaction of 14 with FeCl₂ alone and with Et formate and 15 with FeCl₂ affords mols. with the Ni^II-L-Fe^II bridge unit in [Ni(L)FeCl(⊂pyN₂dien^Me3)]^1- (⊂pyN₂dien^Me3 = I) in which L = μ₂:η¹-OH^– (17) and μ₂:η²-HCO₂^– (18) and -CN^– (19). All bridges are nonlinear (17, 140.0°; 18, M-O-C 135.9° (Ni), 120.2° (Fe); 19, Ni-C-N 170.3°, Fe-N-C 141.8°) with Ni···Fe separations of 3.7-4.8 Å. The Ni^IIFe^II complexes, lacking appropriate Ni-Fe-S cluster structures, are not site analogs, but their synthesis and reactivity provide the 1st demonstration that mol. Ni^II···Fe^II sites and bridges can be attained, a necessity in the biomimetic chem. of C-clusters.

Journal of the American Chemical Society published new progress about 68569-14-2. 68569-14-2 belongs to nitriles-buliding-blocks, auxiliary class Palladium, name is Tetrakis(acetonitrile)palladium(II) Ditriflate, and the molecular formula is C10H12F6N4O6PdS2, Application In Synthesis of 68569-14-2.

Referemce:
https://en.wikipedia.org/wiki/Nitrile,
Nitriles – Chemistry LibreTexts

Steven, Alan published the artcileUse of a Curtius Rearrangement as Part of the Multikilogram Manufacture of a Pyrazine Building Block, Computed Properties of 5098-14-6, the publication is Organic Process Research & Development (2018), 22(1), 77-81, database is CAplus.

2-Amino-5-methylpyrazine I was prepared on multikilogram scale as an intermediate in the preparation of a glucokinase activator using the Curtius rearrangement of an acyl azide derived from 5-methyl-2-pyrazinecarboxylic acid as the key step. The formation of an acyl azide for the Curtius rearrangement required a process safety control strategy to be put in place. The process developed was used to successfully deliver multikilogram quantities of I in an overall yield of 68% starting from 5-methylpyrazine-2-carboxylic acid.

Organic Process Research & Development published new progress about 5098-14-6. 5098-14-6 belongs to nitriles-buliding-blocks, auxiliary class Nitrile,Salt,Sulfonic acid,Amine,Benzene, name is 2-Aminomalononitrile 4-methylbenzenesulfonate, and the molecular formula is C3H12Cl2N2, Computed Properties of 5098-14-6.

Referemce:
https://en.wikipedia.org/wiki/Nitrile,
Nitriles – Chemistry LibreTexts

Schoellkopf, Ulrich published the artcileSyntheses with α-metalated isocyanides. XXIX. Higher amino acids by alkylation of α-metalated ethyl α-isocyanopropionate and alkyl isocyanoacetates, Synthetic Route of 30431-99-3, the publication is Chemische Berichte (1975), 108(5), 1580-92, database is CAplus.

Treatment of α-metalated CNCHR1CO2R2 [R1 = Me, R2 = Et (I); R1 = H, R2 = Et (II); R1 = H, R2 = CMe3 (III)] with alkylating agents (R3X, e.g., R3 = Bu, PhCH2, X = Br, Iodo) gave monoalkylation of I and III but dialkylation of II. Hydrolysis of the alkylated products with HCl/EtOH at 25° or KOH/EtOH at 80° gave R1R3C(NH2)CO2R2 or R1R3C(NHCHO)CO2R2, resp. II and III reacted with 1,2-dibromoethane, bis(2-chloroethyl) ether, and 1,4-dibromobutane to give IV, V, and VI, resp.

Chemische Berichte published new progress about 30431-99-3. 30431-99-3 belongs to nitriles-buliding-blocks, auxiliary class Tetrahydropyran,Nitrile,Ester, name is Ethyl 4-cyanotetrahydro-2H-pyran-4-carboxylate, and the molecular formula is C9H13NO3, Synthetic Route of 30431-99-3.

Referemce:
https://en.wikipedia.org/wiki/Nitrile,
Nitriles – Chemistry LibreTexts

Ieda, Naoya published the artcilePhotomanipulation of Vasodilation with a Blue-Light-Controllable Nitric Oxide Releaser, Computed Properties of 26187-28-0, the publication is Journal of the American Chemical Society (2014), 136(19), 7085-7091, database is CAplus and MEDLINE.

Spatiotemporally controllable nitric oxide (NO)-releasers allow us to analyze the physiol. effects of NO, a gaseous mediator that modulates many biol. signaling networks, and are also candidate chemotherapeutic agents. We designed and synthesized a blue-light-controllable NO releaser, named NOBL-1, which bears an N-nitrosoaminophenol moiety for NO release tethered to a BODIPY dye moiety for harvesting blue light. Photoinduced electron transfer from N-nitrosoaniline to the antenna moiety upon irradiation with relatively noncytotoxic blue light (470-500 nm) should result in NO release with formation of a stable quinone moiety. NO release from NOBL-1 was confirmed by ESR spin trapping and fluorescence detection. Spatially controlled NO release in cells was observed with DAR-4M AM, a fluorogenic NO probe. We also demonstrated temporally controlled vasodilation of rat aorta ex vivo by blue-light-induced NO release from NOBL-1. This compound should be useful for precise examination of the functions of NO with excellent spatiotemporal control.

Journal of the American Chemical Society published new progress about 26187-28-0. 26187-28-0 belongs to nitriles-buliding-blocks, auxiliary class Pyrrole,Nitrile, name is 2,4-Dimethyl-1H-pyrrole-3-carbonitrile, and the molecular formula is C7H8N2, Computed Properties of 26187-28-0.

Referemce:
https://en.wikipedia.org/wiki/Nitrile,
Nitriles – Chemistry LibreTexts

Chen, Chaohuang published the artcilePalladium(II)-Catalyzed Aminotrifluoromethoxylation of Alkenes: Mechanistic Insight into the Effect of N-Protecting Groups, Category: nitriles-buliding-blocks, the publication is Chinese Journal of Chemistry (2020), 38(4), 346-350, database is CAplus.

An efficient palladium-catalyzed regioselective 5-exo aminotrifluoromethoxylation of alkenes was established herein, which provided a practical route toward the synthesis of OCF₃-containing pyrrolidines such as I [R¹ = H, allyl, 4-ClC₆H₄, etc.; R² = allyl, Bn, 4-FC₆H₄, etc.; R¹R² = (CH₂)₃, (CH₂)₄, (CH₂)₂O(CH₂)₂, etc.] and II. Tert-Butyloxycarbonyl (Boc) as an amino protecting group played a significant role in both chemo- and regioselectivities. In addition, preliminary mechanistic studies revealed that amino protecting group of substrates and counter anion of palladium catalyst play critical roles in reaction efficiency presumably due to an isomerization of alkyl- Pd(II) intermediates. Moreover, the asym. 5-exo aminotrifluoromethoxylation reaction had also been achieved by introducing a sterically bulky pyridinyl-oxazoline ligand.

Chinese Journal of Chemistry published new progress about 68569-14-2. 68569-14-2 belongs to nitriles-buliding-blocks, auxiliary class Palladium, name is Tetrakis(acetonitrile)palladium(II) Ditriflate, and the molecular formula is C10H12F6N4O6PdS2, Category: nitriles-buliding-blocks.

Referemce:
https://en.wikipedia.org/wiki/Nitrile,
Nitriles – Chemistry LibreTexts

Lei, Zhen-lin published the artcileSynthesis and antifungal activities of 7-ether coumarin derivatives, Application In Synthesis of 612-13-5, the publication is Huaxue Shiji (2016), 38(2), 157-162, database is CAplus.

7-Hydroxy 4,6-dimethyl-coumarin and 7-hydroxy-4,8-dimethyl-coumarin were synthesized by Peachmann condensation reaction, and then reacted with a substituted benzyl chloride to yield twenty-three new coumarin compounds The structures of all compounds were confirmed by ¹HNMR and LC-MS spectrometry. The preliminary bioassay indicated that compound 7-(4-fluoro-benzyloxy)-4,6-dimethyl-2H-benzopyran-2-one (3c), 4,6-dimethyl-7-(2-methyl-benzyloxy)-2H-pyran-2-one (3j), 7-(4-methoxy-benzyloxy)-4,6-dimethyl-2H-pyran-2-one (3k), 7-(4-fluoro-benzyloxy)-4,8-dimethyl-2H-pyran-2-one (3n) and 7-(4-methoxy-benzyloxy)-4,8-dimethyl-2H-pyran-2-one (3w) showed over 70% antifungal activities against Botryodiplodia theobromae at 100 mg/L, and compound 7-(3-chloro-benzyloxy)-4,8-dimethyl-2H-pyran-2-one (3p) showed broad-spectrum antifungal activity.

Huaxue Shiji published new progress about 612-13-5. 612-13-5 belongs to nitriles-buliding-blocks, auxiliary class Organic Pigment, name is 2-(Chloromethyl)benzonitrile, and the molecular formula is C8H6ClN, Application In Synthesis of 612-13-5.

Referemce:
https://en.wikipedia.org/wiki/Nitrile,
Nitriles – Chemistry LibreTexts

Xiong, Yu-qing published the artcileSynthesis process of diethyl(o-cyanobenzyl)phosphonate, Safety of 2-(Chloromethyl)benzonitrile, the publication is Yingyong Huagong (2014), 43(11), 2012-2013, 2018, database is CAplus.

Aiming at pollution from o-cyanobenzyl chloride and benzene, a green synthesis process was provided by using o-cyanotoluene as starting mol., after photochlorination, o-cyanobenzyl chloride directly reacted with a slight excess of tri-Et phosphate by esterification reaction without adding other organic solvents. The results showed that the optimal technol. condition was chlorination at 140°C, 1.0 of chlorination degree, using incandescent light bulb, esterification at 155°C for 4 h. The critical factor was controlling chlorination degree under 1.0, combination of photochlorination and esterification, in order to reduce pollution to environment.

Yingyong Huagong published new progress about 612-13-5. 612-13-5 belongs to nitriles-buliding-blocks, auxiliary class Organic Pigment, name is 2-(Chloromethyl)benzonitrile, and the molecular formula is C3H5F3O, Safety of 2-(Chloromethyl)benzonitrile.

Referemce:
https://en.wikipedia.org/wiki/Nitrile,
Nitriles – Chemistry LibreTexts

Xu, Han published the artcileSynthesis and herbicidal activities of novel 4-(3-trifluoromethylphenyl)-2H-pyridazin-3-one derivatives, HPLC of Formula: 612-13-5, the publication is Science China: Chemistry (2010), 53(1), 157-166, database is CAplus.

Three series of forty-nine novel 4-(3-trifluoromethylphenyl)-2H-pyridazin-3-one derivatives are designed, synthesized, and evaluated through a Spirodela polyrrhiza test and a greenhouse test. Some compounds show > 80% chlorophyll inhibition of Spirodela polyrrhiza at 10 μg/mL and exhibit some herbicidal activities against Digitaria adscendens in the preemergence treatment at a rate of 150 g/ha. Moreover, the study of the structure-activity relationship (SAR) suggests that the appropriate bulky substituent at the right position is critical for the bleaching and herbicidal activities, which may be useful for the future design of new compounds

Science China: Chemistry published new progress about 612-13-5. 612-13-5 belongs to nitriles-buliding-blocks, auxiliary class Organic Pigment, name is 2-(Chloromethyl)benzonitrile, and the molecular formula is C8H10S, HPLC of Formula: 612-13-5.

Referemce:
https://en.wikipedia.org/wiki/Nitrile,
Nitriles – Chemistry LibreTexts