Category: 61363-56-2

61363-56-2, Name is 2H-Pyran-3,5(4H,6H)-dione, molecular formula is C5H6O3, belongs to Tetrahydropyrans compound, is a common compound. In a patnet, once mentioned the new application about 61363-56-2, name: 2H-Pyran-3,5(4H,6H)-dione

PYRIMIDINE COMPOUND AND ITS USE IN PEST CONTROL

A pyrimidine compound represented by below formula (I) has excellent control activity against pests and is useful as an active ingredient of a pest controlling agent.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law.name: 2H-Pyran-3,5(4H,6H)-dione. In my other articles, you can also check out more blogs about 61363-56-2

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Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics

61363-56-2, 61363-56-2, Name is 2H-Pyran-3,5(4H,6H)-dione, molecular formula is C5H6O3, belongs to Tetrahydropyrans compound, is a common compound. In a patnet, assignee is CHAN, Bryan, once mentioned the new application about 61363-56-2

PYRAZOLOPYRIDINES AS INHIBITORS OF THE KINASE LRRK2

The present invention relates to compounds of formula I, or pharmaceutically acceptable salts or esters thereof, (Formula I) wherein R1 is selected from: aryl; heteroaryl; -NHR3; fused aryl-C4-7 -heterocycloalkyl; -CONR4R5; – NHCOR6; -C3-7-cycloalkyl,-NR3R6; -OR3; OH; NR4R5; and alkyl optionally substituted with a substituent selected from R11 and a group A; wherein said aryl, heteroaryl, fused aryl-C4-7 -heterocycloalkyl and C4-7-heterocycloalkyi are each optionally substituted with one or more substituents selected from C1-6-alkyl, C3-7-cycloalkyl, heteroaryl, C4-7-heterocycloalkyl, aryl and a group A, and said C1-6- alkyl, C3-7-cycloalkyl, heteroaryl, C4-7-heterocycloalkyl, and aryl substituents are in turn each optionally substituted with one or more groups selected from R11 and a group A; R2 is selected from hydrogen, aryl, C1-6-alkyl, C2-6-alkenyl, C3-7-cycloalkyl, heteroaryl, heterocycloalkyi, fused aryl-C4-7-rheterocycloalkyl and halogen, wherein said C1-6-alkyl, C2-6-alkenyl, aryl, heteroaryl, fused aryl-C4-7 -heterocycloalkyl and C4-7 -heterocycloalkyl are each optionally substituted with one or more substituents selected from R11 and A. Further aspects relate to pharmaceutical compositions and therapeutic uses of said compounds

61363-56-2, Each elementary reaction can be described in terms of its molecularity, the number of molecules that collide in that step. The slowest step in a reaction mechanism is the rate-determining step.you can also check out more blogs about 61363-56-2

Reference£º
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics

Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn¡¯t involve a screen. 61363-56-2, C5H6O3. A document type is Article, introducing its new discovery., 61363-56-2

Some Diazinon Analogues Containing the 4-Trifluoromethyl Group

Diazinon analogues were prepared containing trifluoromethyl in place of the 4-methyl group and methylthio (2a), amino (2b), dimethylamino (2c), methylphenylamino (2d), or isopropyl (2e) in position 2 of the pyrimidine ring.The most active analogue (2b) was less than half as insecticidal as Diazinon.

Interested yet? Keep reading other articles of 61363-56-2!, 61363-56-2

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Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.61363-56-2,2H-Pyran-3,5(4H,6H)-dione,as a common compound, the synthetic route is as follows.,61363-56-2

EXAMPLE 25A Methyl 4-(3-bromo-4-fluorophenyl)-2-methyl-5-oxo-4,5,6,8-tetrahydro-1H-pyrano[3,4-b]pyridine-3-carboxylate A mixture of tetrahydropyran-3,5-dione (Terasawa, J. Org. Chem. (1977), 42, 1163-1169) (1.4 g, 12 mmol), 3-bromo-4-fluorobenzaldehyde (3.0 g, 15 mmol), methyl 3-aminocrotonate (1.4 g, 12 mmol) and ethyl alcohol (10 mL) was processed as described in Example 2A. Purification by flash chromatography over silica gel (1% then 2% and then 5% methyl alcohol/methylene chloride) provided the title compound (2.4 g) as a solid. mp 206-208.

The synthetic route of 61363-56-2 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Abbott Laboratories; US6642222; (2003); B2;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics

61363-56-2, 2H-Pyran-3,5(4H,6H)-dione is a Tetrahydropyrans compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,61363-56-2

EXAMPLE 48 4-(3-bromo-4-fluorophenyl)-1,2-dimethyl-1,2,4,9-tetrahydropyrano[3,4-b]pyrazolo[4,3-e]pyridine-3,5(6H,8H)-dione 2H-Pyran-3,5-(4H,6H)-dione (0.08 g, 0.7 mmol), 3-bromo-4-fluorobenzaldehyde (0.14 g, 0.7 mmol), and 5-amino-1,2-dimethyl-1,2-dihydro-3H-pyrazol-3-one (0.09 g, 0.7 mmol) in ethyl alcohol (2 mL) were heated at 80 C. for 24 hours in a sealed tube. The reaction mixture was allowed to cool to ambient temperature and then filtered to provide the title compound (0.11 g). 1H NMR (300 MHz, DMSO-6) delta 3.0 (s,3H), 3.12 (s, 3H), 4.12 (s, 1H), 4.52 (q, 2H), 4.78 (s, 1H), 7.23 (m, 2H), 7.48 (dd, 1H), 10.18 (s, 1H); MS (ESI-) m/z 408 (M+H.)-.

The synthetic route of 61363-56-2 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Drizin, Irene; Altenbach, Robert J.; Carroll, William A.; US2002/7059; (2002); A1;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics

61363-56-2, 2H-Pyran-3,5(4H,6H)-dione is a Tetrahydropyrans compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

61363-56-2, EXAMPLE 28 5-(4-chloro-3-nitrophenyl)-5,10-dihydro-1H,3H-dipyrano[3,4-b:4,3-e]pyridine-4,6(7H,9H)-dione A mixture of tetrahydropyran-3,5-dione (Terasawa, J. Org. Chem. (1977), 42, 1163-1169) (0.27 g, 2.4 mmol), 4-chloro-3-nitrobenzaldehyde (0.54 g, 2.9 mmol) and the product from Example 11C (0.27 g, 2.4 mmol) in ethanol (3 mL) was heated to 80 C. for 60 hours and then allowed to stand at ambient temperature for 5 hours. The solid was collected by filtration, washed with ethanol, dissolved in 1:1 methanol/methylene chloride, filtered, heated on steam bath (replacing the methylene chloride with methanol and concentrating the mixture to approximately 5 mL) and allowed to stand at ambient temperature for 2 hours. The resulting solid was collected by filtration, washed with methanol and dried to provide the title compound (0.061 g). mp>260; MS (ESI(+)) m/z 377 (M+H)+; MS (ESI(-)) m/z 375 (M-H)-; 1H NMR (DMSO-d6) delta 4.06 (s, 4H), 4.51 (AB q, 4H), 5.02 (s, 1H), 7.54 (dd, 1H), 7.68 (d, 1H), 7.79 (d, 1H), 10.18 (bs, 1H); Anal. Calcd for C17H13N2O6Cl: C, 54.20; H, 3.48; N, 7.44. Found: C, 53.84; H, 3.81; N, 7.14.

The synthetic route of 61363-56-2 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Abbott Laboratories; US6191140; (2001); B1;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics

61363-56-2, 2H-Pyran-3,5(4H,6H)-dione is a Tetrahydropyrans compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

61363-56-2, EXAMPLE 25A methyl 4-(3-bromo-4-fluorophenyl)-2-methyl-5-oxo-4,5,6,8-tetrahydro-1H-pyrano[3,4-b]pyridine-3-carboxylate A mixture of tetrahydropyran-3,5-dione (Terasawa, J. Org. Chem. (1977), 42, 1163-1169) (1.4 g, 12 mmol), 3-bromo-4-fluorobenzaldehyde (3.0 g, 15 mmol), methyl 3-aminocrotonate (1.4 g, 12 mmol) and ethyl alcohol (10 mL) was processed as described in Example 2A. Purification by flash chromatography over silica gel (1% then 2% and then 5% methyl alcohol/methylene chloride) provided the title compound (2.4 g) as a solid. mp 206-208.

61363-56-2 2H-Pyran-3,5(4H,6H)-dione 325287, aTetrahydropyrans compound, is more and more widely used in various fields.

Reference£º
Patent; Abbott Laboratories; US6191140; (2001); B1;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics

61363-56-2, 2H-Pyran-3,5(4H,6H)-dione is a Tetrahydropyrans compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,61363-56-2

General procedure: Tetrahydrobenzofurans and Annulated Dihydropyrans; General Procedure A mixture of 1,3-diketones 1,4, or 6 (0.25 mmol), nitroalkene 2 (0.275mmol, 1.1 equiv), catalyst A (0.5 mol%), and Ag2O (1 mol%) in CH2Cl2(2.5 mL, 0.1 M) was stirred at r.t. until the intermediate Michael ad-duct was completely converted as indicated by TLC. The crude prod-uct was directly subjected to flash chromatography on silica (n-pen-tane/Et2O or n-pentane/CH2Cl2) to afford the corresponding product3, 5, or 7.

61363-56-2 2H-Pyran-3,5(4H,6H)-dione 325287, aTetrahydropyrans compound, is more and more widely used in various fields.

Reference£º
Article; Kaya, U?ur; Chauhan, Pankaj; Deckers, Kristina; Puttreddy, Rakesh; Rissanen, Kari; Raabe, Gerhard; Enders, Dieter; Synthesis; vol. 48; 19; (2016); p. 3207 – 3216;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.61363-56-2,2H-Pyran-3,5(4H,6H)-dione,as a common compound, the synthetic route is as follows.

EXAMPLE 50 4-(2,1,3-benzoxadiazol-5-yl)-1-methyl-4,9-dihydro-1H-isoxazolo[3,4-b]pyrano[4,3-e]pyridine-3,5(6H,8H)-dione The product from Example 45A (0.11 g, 1 mmol), 2,1,3-benzoxadiazole-5-carboxaldehyde(0.15 g, 1 mmol), prepared as described in (Gasco, A. M., Ermondi, G. Eur. J. Med. Chem., (1996) 31, 3)and 2H-pyran-3,5(4H,6H)-dione (0.11 g, 1 mmol) were heated in 2 mL of ethanol for 2 days. The resulting mixture was allowed to cool to ambient temperature and filtered to provide the title compound as the filter cake (0.09 g). 1H NMR (300 MHz, DMSO-d6) delta 3.28 (s, 3H), 4.08 (s, 2H), 4.6 (q, 2H), 4.92 (s, 1H), 7.62 (dd, 1H), 7.76 (s, 1H), 8.0 (dd, 1H), 10.8 (s, 1H); MS (ESI) m/z 339 (M+H)-; Anal. Calcd for C16H12N4O5: C, 56.47; H, 3.52; N, 16.47. Found: C, 56.03;H, 3.97; N, 15.57., 61363-56-2

61363-56-2 2H-Pyran-3,5(4H,6H)-dione 325287, aTetrahydropyrans compound, is more and more widely used in various fields.

Reference£º
Patent; Drizin, Irene; Altenbach, Robert J.; Carroll, William A.; US2002/7059; (2002); A1;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.61363-56-2,2H-Pyran-3,5(4H,6H)-dione,as a common compound, the synthetic route is as follows.

61363-56-2, EXAMPLE 29 4-(3-iodo-4-methylphenyl)-1-methyl-1,2,4,9-tetrahydropyrano[3,4-b]pyrazolo[4,3-e]pyridine-3,5(6H,8H)-dione 2H-Pyran-3,5(4H,6H)-dione (0.085 g, 0.75 mmol), 3-iodo4-methyl-benzaldehyde (0.18 g, 0.75 mmol), and 5-amino-1-methyl-1,2-dihydropyrazol-3-one (0.084 g, 0.75 mmol) were processed as described in Example 26C to provide 0.14 g of the title compound. 1H NMR (300 MHz, DMSO-d6) delta 2.38 (s, 3H), 3.49 (s, 3H), 4.0 (s, 2H), 4.52 (q, 2H), 4.88 (s, 1H), 7.05 (dd, 1H), 7.16(d, 1H), 7.56 (d, 1H), 9.58 (bs, 1H), 10.03 (s, 1H); MS (ESI-) m/z 436 (M+H)-; Anal. calcd for C17H16N3IO3.0.5 C2H5OH: C, 46.97;H, 4.16; N, 9.13. Found: C, 46.60;H, 4.42; N, 9.32.

The synthetic route of 61363-56-2 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; Drizin, Irene; Altenbach, Robert J.; Carroll, William A.; US2002/7059; (2002); A1;,
Tetrahydropyran – Wikipedia
Tetrahydropyran – an overview | ScienceDirect Topics