Tag: M.W:100-200

22960-16-3, In heterogeneous catalysis, the catalyst is in a different phase from the reactants. At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 22960-16-3, name is Isoquinoline-4-carbaldehyde. In an article£¬Which mentioned a new discovery about 22960-16-3

Reaction of Allylic Tin Reagents with Nitrogen Heteroaromatics Activated by Alkyl Chloroformates: Regioselective Synthesis of alpha-Allylated 1,2-Dihydropyridines and Change of the Regioselectivity Depending on Methyl Substituents at the Allylic Moiety

Allyltin reagents readily react with pyridine and some substituted pyridines activated by alkyl chloroformates to give alpha-allylated 1,2-dihydropyridines regioselectively.Functional substituents such as halogeno, acetoxy, and formyl groups can be tolerated, demonstrating high chemoselectivity of the reactions.The regiochemistry of the attack on pyridine nuclei changes from alpha-addition to alpha- and gamma-addition (nonregioselective) to gamma-addition, depending on methyl substituents at the allylic moiety (from allyl to methallyl and crotyl to prenyl groups).It is also found that the reactions occur at the gamma-position of allylic tin reagents, indicating SN2′ character of the reactions.The present effective allylation method can be extended to isoquinoline and quinoline systems.

The proportionality constant is the rate constant for the particular unimolecular reaction. the reaction rate is directly proportional to the concentration of the reactant. I hope my blog about 22960-16-3 is helpful to your research. 22960-16-3

Reference£º
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

 

24188-74-7, Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 24188-74-7

Hepatitis C Virus Inhibitors

Hepatitis C virus inhibitors having the general formula are disclosed. Compositions comprising the compounds and methods for using the compounds to inhibit HCV are also disclosed.

One of the oldest and most widely used commercial enzyme inhibitors is aspirin, 24188-74-7, which selectively inhibits one of the enzymes involved in the synthesis of molecules that trigger inflammation. you can also check out more blogs about 24188-74-7

Reference£º
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

 

6624-49-3, In an article, published in an article,authors is Buerli, Roland W., once mentioned the application of 6624-49-3, Name is Isoquinoline-3-carboxylic acid,molecular formula is C10H7NO2, is a conventional compound. this article was the specific content is as follows.

DNA binding ligands targeting drug-resistant Gram-positive bacteria. Part 1: Internal benzimidazole derivatives

Novel DNA minor-groove binding ligands with a promising antibacterial profile are described. Apart from excellent in vitro potency against multiple Gram-positive bacterial strains such as methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistant Enterococcus faecalis (VRE), and penicillin-intermediate Streptococcus pneumoniae (PISP), a small subset of compounds was active against Gram-negative bacteria such as Escherichia coli (E. coli).

If you are interested in 6624-49-3, you can contact me at any time and look forward to more communication. 6624-49-3

Reference£º
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

 

22246-12-4, 6-Methoxy-3,4-dihydroisoquinolin-1(2H)-one is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

The compound 27-1 (250 mg, 1.41 mmol) was dissolved in DMF (10 mL), and in ice bath, added with NaH (84 mg, 2.11 mmol, 60%), after reacting for 10 min, the mixture was dripped with iodomethane (300 mg, 2.11 mmol) and warmed slowly to room temperature, then further reacted for 2 hours. LCMS monitored the completion of the reaction, the reaction solution was extracted by adding saturated saline solution and ethyl acetate. The organic phase was washed twice by saturated saline solution. The organic phases were combined, dried and concentrated to dryness, to afford the brown liquid product 27-2 (225 mg, 83%)., 22246-12-4

As the paragraph descriping shows that 22246-12-4 is playing an increasingly important role.

Reference£º
Patent; Sichuan Kelun-Biotech Biopharmaceutical Co., Ltd.; ZHU, Jiawang; SONG, Zhiquan; YANG, Long; LI, Rui; ZHANG, Shuai; ZHOU, Lin; ZHAO, Mingliang; TANG, Zujian; ZHONG, Wei; ZENG, Hong; SONG, Hongmei; ZHOU, Xin; TAN, Yuting; HU, Xiao; WANG, Lichun; WANG, Jingyi; (99 pag.)EP3617186; (2020); A1;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem

 

486-73-7, Isoquinoline-1-carboxylic acid is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

To a solution of Benzyl 2-[(3S)-3-amino-4-oxo-2,3,4,5-tetrahydro-5H-1,5-benzoxazepin-5-yl]-ethanoate hydrochloride 1 (1.277 g, 3.52 mmol) and isoquinoline-1-carboxylic acid (670 mg, 3.87 mmol) in 10 ml each of dimethylformamide (DMF) and dichloromethane (CH2Cl2) was added N-hydroxybenzotriazole, (523 mg, 3.87 mmol), 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (EDC) (880 mg, 4.58 mmol) and triethylamine (Et3N) (1.2 ml, 8.8 mmol). The reaction was stirred at room temp. for 18 hrs. then diluted with ethyl acetate and washed with 10% NaHSO4, sat. NaHCO3, H2O, and sat. NaCl. The organic layer was dried over anhydrous Na2SO4, filtered, and evaporated in vacuo to afford a gum that was purified by flash column chromatography eluting with 7/3 (CH2Cl2/EtOAc) to afford 1.56 g (79%) of the title compound., 486-73-7

The synthetic route of 486-73-7 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Vertex Pharmaceutical, Inc.; US6350741; (2002); B1;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem

 

22246-12-4, 6-Methoxy-3,4-dihydroisoquinolin-1(2H)-one is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Intermediate 9: Methyl 2-(l,2,3,4-tetrahydro-l-oxoisoquinolin-6-yloxy)-2- methylpropanoate.[0067] Step A: 3,4-dihydro-6-methoxyisoquinolin-l(2H)-one (760 mg, 4.3 mmol) is dissolved in 48% aqueous HBr (5 mL) and heated at 100 0C for 72 h. The mixture is cooled and poured into a saturated solution of NaHCU3 (50 mL) and extracted with ethyl acetate (2 x 20 mL). The organic fractions are combined, washed with brine (20 mL), dried (MgSO4), filtered and evaporated to give crude 3,4-dihydro-6-hydroxyisoquinolin- l(2H)-one 8 (193 mg, 27%), which is used in Step B without further purification.

22246-12-4, As the paragraph descriping shows that 22246-12-4 is playing an increasingly important role.

Reference£º
Patent; IRM LLC; WO2007/89557; (2007); A2;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem

 

80278-67-7, Isoquinoline-5-carbaldehyde is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

80278-67-7, To a room temperature solution of 2-(4-cyclohexylphenyl)cyclopropanecarbohydrazide (200 mg) in ethanol (20 mL), was added isoquinoline-5-carbaldehyde (122 mg, 0.77 mmol) and acetic acid (0.5 mL). The reaction mixture was then heated at 80 0C for 3 h, concentrated in vacuo and the residue diluted with water and extracted with EtOAc (2 x 20 mL). The layers were separated and then the combined organic layers were washed with a saturated NaHCO3 solution, dried over magnesium sulfate, filtered and concentrated in vacuo to obtain the crude product. The crude material was purified via column chromatography eluting with 2percent MeOH in dichloromethane to afford (.pound.)-2-(4- cyclohexylphenyl)-N’-(isoquinolin-5 -ylmethylene)cyclopropanecarbohydrazide (100 mg, 33 percent) as a white solid.1H NMR (500 MHz, CDCl3): delta 9.30-9.22(m, 1 H), 8.78-8.69 (m, 1 H), 8.58-8.49 (m, 1 H), 8.36-8.28 (m, 1 H), 8.18-8.09 (m, 1 H), 7.78-7.69 (m, 2 H), 7.18-7.10 (m, 5 H), 2.98- 2.92 (m, 1 H), 2.56-2.48 (m, 2 H), 1.86-1.75 (m, 6 H), 1.45-1.36(m, 4 H); MS: M+H: m/z = 398.3; and HPLC: 99 percent, (Condition-C).

80278-67-7 Isoquinoline-5-carbaldehyde 7016853, aisoquinoline compound, is more and more widely used in various fields.

Reference£º
Patent; ENVIVO PHARMACEUTICALS, INC.; RIPKA, Amy; SHAPIRO, Gideon; CHESWORTH, Richard; WO2010/6130; (2010); A2;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem

 

4602-73-7,4602-73-7, 7-Hydroxy-6-methoxy-3,4-dihydroisoquinoline is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: Table 3 is a parameter table. The starting material “parameter 1” was added into a flask at room temperature under N2, and then the “parameter 2” mL IPA and “parameter 3” were added thereinto. The starting material was dissolved at “parameter 4” C. The appearances of reaction solution were “parameter 5” and “parameter 7” in about “parameter 6” minutes, and then the solution was heated at 110~120C for “parameter 8” hours and concentrated in room temperature. The “parameter 9” mL MeOH was added and the resulting mixture was stirred for “parameter 10” minutes. To the solution, which is “parameter 1 1” in a ice-bath, NaBH4(s) “parameter 12” was added slowly under N 2 and stirred for “parameter 13” minutes. The solution, which is “parameter 14,” was added with “parameter 15” mL H2O and extracted with “parameter 16” mL CHC13. The organic layer was added with MgS04 for drying, stirred for “parameter 17” minutes, filtered, and concentrated to obtain “parameter 18”. The “parameter 20” was afforded after flash column chromatography (silica gel, “parameter 19”).

The synthetic route of 4602-73-7 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; YU, Linda Chia-Hui; HSIN, Ling-Wei; LEE, Tsung-Chun; (0 pag.)WO2018/157233; (2018); A1;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem

 

22246-04-4, 7-Methoxy-3,4-dihydroisoquinolin-1(2H)-one is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Step 3: Synthesis of 7-methoxy- 1,2,3, 4-Tetrahydro-isoquinoline; To a slurry of lithium aluminium hydride (2.42 g, 63.56 mmol) in dry tetrahydrofuran at 0 C was added 3,4-dihydro-7-methoxyisoquinolin-l(2H)-one (4.5 g, 25.4 mmol) dissolved in tetrahydrofuran and the solution refluxed for 2 h with stirring. Reaction mixture was quenched at 0 C with water (2.5 mL), 10% sodium hydroxide solution (2.5 mL) and water (7.5 mL). The stirring was continued at room temperature for 30 min. It was filtered through a celite bed which was thoroughly washed with CHCl3 (-100 mL). The CHCl3 was concentrated under reduced pressure to give crude material (2.9 g, 70 %) which was used as such for next step. ESIMS (m/z): 186.0 (M+Na), 164.1 (M+l), 22246-04-4

The synthetic route of 22246-04-4 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; PANACEA BIOTEC LIMITED; WO2009/118765; (2009); A2;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem

 

491-30-5, 1-Hydroxyisoquinoline is a isoquinoline compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

In a 250ml three neck flask fitted with overhead stirrer and condenser which is also connected to a scrubber solution, 1-hydroxyisoquinoline (lO.g, 68.89mmol) and PBrs (53.38g, 124 mmol) were taken. The reaction mixture was gradually heated to 140C. At about 125C – 130C the solid melts and a deep read solution obtained which on further heating converts to yellowish solid at ~135C. The reaction mixture was heated at this temperature for lOmin then allowed to cool to room temperature. The pale yellow solid was crushed and added in portions into ice with stirring to obtain a pale yellow powder which was filtered and washed with water (150ml) and dried in an oven at 50C under vacuum. The crude solid was purified by recrystallisation from EtOAc/heptane (14. lg, 99.93% HPLC, 71.3% yield). 1H-NMR (600MHz, CDCI3, TMS): S= 8.47 (s, 1H), 8.32(d, 1H), 8.19 (m, 1H), 7.72(m, 1H).

491-30-5, The synthetic route of 491-30-5 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; CAMBRIDGE DISPLAY TECHNOLOGY LIMITED; SUMITOMO CHEMICAL CO., LTD; ISLAM, Nazrul; OHUCHI, Kazuei; HUMPHRIES, Martin; (63 pag.)WO2017/103586; (2017); A1;,
Isoquinoline – Wikipedia
Isoquinoline | C9H7N – PubChem