6- ethyl-2-octanone

Write the structural formula of (a) 2-ethyl-2-methylpentanal (b) 3,5-dihydroxy-4-octanone ... 

The results of the olefin oxidation catalyzed by 19, 57, and 59-62 are summarized in Tables VI-VIII. Table VI shows that linear terminal olefins are selectively oxidized to 2-ketones, whereas cyclic olefins (cyclohexene and norbomene) are selectively oxidized to epoxides. Cyclopentene shows exceptional behavior, it is oxidized exclusively to cyclopentanone without any production of epoxypentane. This exception would be brought about by the more restrained and planar pen-tene ring, compared with other larger cyclic nonplanar olefins in Table VI, but the exact reason is not yet known. Linear inner olefin, 2-octene, is oxidized to both 2- and 3-octanones. 2-Methyl-2-butene is oxidized to 3-methyl-2-butanone, while ethyl vinyl ether is oxidized to acetaldehyde and ethyl alcohol. These products were identified by NMR, but could not be quantitatively determined because of the existence of overlapping small peaks in the GC chart. The last reaction corresponds to oxidative hydrolysis of ethyl vinyl ether. Those olefins having bulky (a-methylstyrene, j8-methylstyrene, and allylbenzene) or electon-withdrawing substituents (1-bromo-l-propene, 1-chloro-l-pro-pene, fumalonitrile, acrylonitrile, and methylacrylate) are not oxidized. 

The retrosynthetic analysis led to the bridged bicyclo[2.2.2]octanone 2 as the key intermediate which was synthesised from an epimeric mixture of ethyl bicyclo[2.2.2]oct-5-ene-2-carboxylate (4) as shown in Scheme 13.1.4. 

The photochemistry of certain A-substituted heterocycles has also been studied. As part of a continuing investigation of the photolysis of A-nitroso compounds in solution, the conversion of A-nitroso-3-azabicyclo[3.2.2]nonane (65) into the oxime (66) by photolysis in the presence of acid was reported.58 N-Nitrosopyrrolidine is similarly transformed. The mechanism of this reaction is said58 to involve elimination of NOH with the formation of an imine as intermediate, and, in fact, in the photolysis of 2-ethyl-A-nitrosopiperidine (67), the tetrahydropyridine (68) is the major product. This mechanism certainly does not operate in the photolysis of iV-nitroso-2-azacyclo-octanone, which can be rationalized on the basis of an intramolecular hydrogen transfer [Eq. (16)].59 Acyclic iV-nitrosoamides behave in a similar fashion to IV-nitrosoamines.60... 

Microwave irradiation of a mixture of cyclohexenones and ethyl acetoacetate adsorbed on the surface of solid lithium 5-(2)-prolinate leads to the stereoselective construction of bicyclo[2.2.2]octanone (69) systems through Michael addition and subsequent intramolecular aldolization (Ranu et al., 2000). Electron-rich aromatic compounds react with formaldehyde and a secondary amine under solvent-free condition and microwave irradiation in a microwave oven to produce amino ethylated products (70) in good to excellent yields (Mojtahedi et al., 2000). 

C8H160 2-octanone 111-13-7 1.259E+10 90.190 17395 1 C9H14 ethyl norbene 15403-89-1 8.900E+09 79.360... 

A simple route to a bicyclo[2.2.2]octanone system was achieved by Michael reaction under microwave irradiation of a mixture of cyclohexenones and ethyl acetoacetate adsorbed on the surface of solid lithium (5)-( )-prolinate followed by intramolecular aldolization on a column of basic Al2O3 5 (Scheme 5.31). The bicyclo[2.2.2]octane system is the core unit of several biologically active natural products and a useful intermediate for synthetic manipulation. ... 

Kl=acetophenone,K2=n-propyl pyruvate (CPl3C0C02-n-Pr),K3=i-butyl levulinate (CH3COCH2CH2C02- -Bu),K4=f-BuCOCH3,K5=3-MeOPhCOCH3,K6=2-py-ridyl methyl ketone, K7=l-tetralone, K8=l-acetylnaphthalene,K9=2-acetylnaphthalene,K10=ethyl levulinate,Kll=2-octanone,K12=2-phenylcyclohexanone, K13=3-pyridyl methyl ketone, K14=Me2HSiOCH2COCH3,K15=Me2HSiOCH2COPh,K16=l-cyclohexenyl methyl ketone, K17=ethyl pyruvate, K18=2,2-dimethyl-acetylacetonate,K19=methyl levulinate, K20=3,3-dimethyl-pentane-2,4-dione, K21=2-nonanone,K22=PhCOCH2Cl. 

The versatility of the APG4 reduction system is further exemplified by the use of P-keto esters as substrates. 3-Oxobutyrates involving methyl, ethyl, t-butyl, or neopentyl esters are reduced to the (S)-hydroxyesters with > 99% ee and in quantitative yield. Moreover, simple aliphatic ketones from 2-octanone to 2-undecanone, as well... 

D.15) (D.15) 3-Octanone, octan-3-one, ethyl pentyl ketone, amyl ethyl ketone [106-68-3] FEMA 2803... 

Ester condensation with diethyl carbonate introduces an alkoxycarbonyl group.760 Diethyl carbonate and 2-octanone in the presence of sodamide give ethyl 3-oxononanoate in 52% yield 761 and in a similar reaction nitriles afford cyano esters in yields up to 87%,762 e.g. ... 

Dimethylaniline Methylheptenone 2-Octanone Butyl butyrate Ethyl caproate Hexyl acetate... 

Acetone, acetic acid (glacial), lower alcohols, alcohol/ diethyl ether, amyl acetate, M-butyl acetate, butyl lactate, 7-butyrolactin, cyclopentanone, diethyl acetate, diethyl ketone, N,N-dimethylacetamide, dimethyl carbonate, dimethyl cyanamide, dimethylformamide, dimethyl maleate, dimethylsulfoxide, 2-ethoxyethyl acetate, ethyl acetate, ethyl amyl ketone, ethylene glycol ethers, ethyl lactate, 2-hexanone, methyl acetate, methyl ethyl ketone, methyl propyl ketone, M-methylpyrrolidone-2, 2-octanone, 1-pentanone, M-pentyl acetate, pyridine ... 

Amylene hydrate. See t-Amyl alcohol Amyl ether n-Amyl ether. See Diamyl ether Amyl ethyl carbinol. See 3-Octanol 00-t-Amyl 0-(2-ethylhexyl) monoperoxycarbonate. See t-Amylperoxy 2-ethylhexyl carbonate Amyl ethyl ketone. See 3-Octanone Methylheptanone... 

Dimethylbicyclo [3,1,1] hept-2-en-2-yl) ethyl acetate. See Nopyl acetate (1S)-(6,6-Dimethylbicyclo [3.1.1] hept-2-en-2-yl) methyl acetate. See Myrtenyl acetate (6,6-Dimethylbicyclo [3.1.1] hept-2-en-2-yl) methyl formate. See Myrtenyl formate 5-(3,3-Dimethylbicyclo [2.2.1] hept-2-ylidene)-3-penten-2-one. See Bornelone 1,5-Dimethylbicyclo [3.2.1] octan-8-one oxime CAS 75147-23-8 EINECS/ELINCS 278-079-8 Synonyms Dimethylbicyclo-8-octanone oxime Classification Oxime Properties Wh. powd. 

Ethyl n-amyl ketone. See 3-Octanone Ethyl s-amyl ketone. See Methylheptanone Ethylan 20. See Nonoxynol-20 Ethylan 44. See Nonoxynol-4 Ethylan 55. See Nonoxynol-5 Ethylan T7. See Nonoxynol-6 Ethylan 172. See Cetoleth-3 Ethylan A2. See PEG-4 oleate Ethylan A3. See PEG-6 oleate Ethylan A4. See PEG-8 oleate Ethylan A6. See PEG-12 oleate Ethylan A10. See PEG-20 oleate Ethylan A15. See Cocamide DEA Ethylan BCP. See ISIonoxynol-9 Ethylan BV. See Nonoxynol-14 Ethylan C12AH, Ethylan C30, Ethylan C35, Ethylan C404. See PEG castor oil Ethylan CD103. See lsodeceth-3 Ethylan CD107. See lsodeceth-7 Ethylan CD109. See lsodeceth-9... 

Ethyl pentyl carbinol. See 3-Octanol Ethyl pentyl ketone. See 3-Octanone Ethyl perfluorobutyl ether. See Ethyl nonafluorobutyl ether Ethyl perfluoroisobutyl ether. See Ethyl nonafluoroisobutyl ether... 

Ethyl pentyl ketone 5-Methyl-3-heptanone Octanone-3 n-Pentyl ethyl ketone... 

Pentyl ethanoate. See Amyl acetate Pentyl ether. See Diamyl ether n-Pentyl ethyl ketone. See 3-Octanone Pentyl formate n-Pentyl formate. See Amyl formate... 

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