Ethylene glycol vinyl ether

The reason that OH does not attack the u-carbon in 63, in contrast to the reaction in Eq. (17), would be due to the stronger electron donation by the /3-carbon in 63, which increases the electron density at the a-carbon atom. Addition of ethylene glycol vinyl ether to the p-toluenesulfonate salt of 64 in CDC13 catalytically yields 2-methyl-1,3-dioxolane (Eq. (18)). The reaction proceeds almost instantaneously, and a 50-fold equivalent of the substrate is completely converted to 2-methyl-1,3-dioxolane, which was confirmed by -NMR. After the reaction, the Pt(III) dimer complex without alkyl ligand is left in the solution, which is still capable of catalysis. The reaction is shown as Eq. (18). 

The preparation and characterization of alternating copolymers of Maleic anhydride (MAn) and poly (ethylene glycol-vinyl ether) as well as their chemical conversions to provide various alkyl hemiesters (Scheme 1) have been described elsewhere [7]. The matrices are quoted as PAMm z, where m represent the number of oxyethylene units in R and n the number of carbon atoms in R. Human serum albumin (HSA) was provided by Isti-tuto Sierovaccinogeno Italiano SpA, Italy. 

According to the reaction mechanism in Fig. 6, olefins coordinate axially to the dinuclear Pt111 complexes. Whether olefins actually coordinate to Pt111 is the subject of further research. Pt11 is known to coordinate various olefins, whereas PtIV does not coordinate any of them. Therefore, an attempt was made to isolate the olefin -complex of the Ptm dimer in order to prove the proposed mechanisms in Fig. 6. While no olefin -complex was obtained despite our intensive efforts, pent-4-en-l-ol and ethylene glycol vinyl ether... 

The crystal structures of 7 and 8 are shown in Figs. 7 and 8, respectively. The reactions of pent-4-en-l-ol and ethylene glycol vinyl ether with the amidate-bridged dinuclear Ptm complex are shown in Eqns. 12 and 13, re-... 

Hulten er a/. [68] made use of an enol ether and an iodo-substituted precursor to optimize HIV-1 protease inhibitors in a high-yielding manner using an a-selective Mizoroki-Heck arylation and subsequent hydrolysis (Figure 3.16). This class of reactions using ethylene glycol vinyl ether can now be performed in neat water without the use of toxic TlOAc [47]. 

Figure 3.17 Synthesis of a stereopure linear HIV-1 protease inhibitor P2-building block via arylation of ethylene glycol vinyl ether and a subsequent stereoselective annulation.

Electron-rich bifunctional vinyl ethers (e.g. ethylene glycol divinyl ether) react with electron-poor alkenes (e.g. TCNE) to produce cyclobutanes in good yields via tetramethylene zwitterion intermediates. In some cases, cyclobutanes reacted with the solvent (MeCN) to yield tetrahydropyridines.9 Trifluoromethanesulfonimide is an... 

Dibenzyl ether Ethyl vinyl ether 2-Ethylacrylaldehyde oxime Ethylene glycol dimethyl ether 2-Ethylhexanal 2-Ethylhexyl vinyl ether 2-Furaldehyde Furan... 

Many solvents form dangerous levels of peroxides during storage e.g., dipropyl ether, divinylacetylene, vinylidene chloride, potassium amide, sodium amide. Other compounds form peroxides in storage but concentration is required to reach dangerous levels e.g., diethyl ether, ethyl vinyl ether, tetrahydrofuran, p-dioxane, l,l-diethox) eth-ane, ethylene glycol dimethyl ether, propyne, butadiene, dicyclopentadiene, cyclohexene, tetrahydronaphthalenes, deca-hydrona-phthalenes. Some monomeric materials can form peroxides that catalyze hazardous polymerization reactions e.g., acr) lic acid, acr)Ionitrile, butadiene, 2-chlorobutadiene, chlorotrifluoroethylene, methyl methacrylate, styrene, tetrafluoroethylene,... 

Methyl glycol [109-86-4] (2-methoxyethanol, ethylene glycol monomethyl ether) has a slight odor, and is miscible with water and organic solvents except aliphatic hydrocarbons. It is a very good solvent for many natural and synthetic resins. It does not dissolve fats, oils (except castor oil), damar resin, rubber, bitumen, hydrocarbon resins, polystyrene, poly(vinyl chloride), and vinyl chloride copolymers. On account of its teratogenic properties it is replaced as a solvent in the paint and colorants sector by other solvents or solvent mixtures. 

Chem. Descrip. Ethylene glycol propyl ether CAS 2807-30-9 EINECS/ELINCS 220-548-6 Uses Solvent for high-solids coatings (NC, vinyls, ethyl cellulose, butyrate, acrylic, water-sol.)... 

Ibbal. See p-lsobutylbenzaldehyde Iberquestrene. See Tetrasodium EDTA Iberwet W-100. See Nonoxynol iBG. See Ethylene glycol isobutyl ether IBIB. Seejsobutyl isobutyrate IBMA. See Isobutyl methacrylate IBN. See Isobutyronitrile Isobutyl nitrite IBOA. See Isobomyl acrylate IBPH. See 2,2 -lsobutylidenebis (4,6-dimethylphenol) iBuH. See 2-Methylpropanal Ibulate. See Isobutyl stearate IBVE. See Vinyl isobutyl ether ICB 3000] ICB 3000D] ICB 3100] ICB 3200. See Corn (Zea mays) starch Ice. See Water... 

Isobutyl valerinate. See Isobutyl valerate Isobutyl vinyl ether. See Vinyl isobutyl ether Isobutyl xanthic acid, potassium salt. See Potassium isobutyl xanthate Isobutyl xanthic acid, sodium salt. See Sodium isobutyl xanthate Isobutyl Zimate . See Zinc diisobutyldithiocarbamate 2-lsobutyoxyethanol. See Ethylene glycol isobutyl ether... 

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