Methyl isopropyl

These are effective high-octane gasoline additive oxygenates. The conversion of isobutane into isopropyl, methyl ketone, or isopentane into isobutyl, methyl ketone is illustrative. In this reaction, no branched carboxylic acids (Koch products) are formed. 

Ketones may also be named using functional class lUPAC nomenclature by citing the two groups attached to the carbonyl m alphabetical order followed by the word ketone Thus 3 methyl 2 butanone (substitutive) becomes isopropyl methyl ketone (functional class)... 

Isopropyl methyl ether [598-53-8] M 74.1, b 32.5°nnmm, d 0.724, n 1.3576. Purified drying with CaS04, passage through a column of alumina (to remove peroxides) and fractional distn. 

Isopropyl methyl ether Ethyl phenyl ether... 

Other alkyl sulfones studied are di-isopropyl, methyl isopropyl and di-t-butyl sulfones. 

Once inside the body, diisopropyl methylphosphonate is rapidly converted to isopropyl methyl-phosphonic acid (IMPA), which is rapidly cleared from the blood. Laboratory tests can determine the amount of IMP A in the blood or urine. However, because IMPA leaves the body rapidly, these tests are useful only for recent exposure. It is helpful for your doctor to know whether there are other chemicals to which you have been exposed. See Chapters 2 and 6 for more information. 

Photochemical fragmentation 165 166+167 is also feasible. Isopropyl phosphate and isopropyl methyl phosphate are expectedly found after reaction of the photolysis solution with water or methanol. It would appear that 166 (and possibly also 167) can arise directly from 164 and not only by photochemical cycloreversion of 165 since 166 is formed together with 165 even at wavelengths in the range where 165 is known to be stable. 

The anticholinesterase nerve gases isopropyl methyl phosphonofluoridate (GB) and O-ethyl S-diisopropylaminoethylmethylphosphonothioate (VX) can be measured in seawater by an enzymic technique [384]. 

Isopropyl methyl ketone, ml65 Isovaleronitrile, ml85 Lactonitrile, hi72... 

Generally speaking, since the a-carbon of a substituted allylic fragment is a stereogenic center, chirality may be transferred to the carbonyl compounds. Thus, very high diaste-reofacial selectivity has been obtained in the reaction of 32 with isopropyl methyl ketone due to a rigid transition state (Scheme 13.26) [54]. 

Chemical Agent GB The chemical Isopropyl methyl phosphonofluoridate (CAS 107-44-8) also known as sarin, is a nerve agent. 

Figure 3. Effect of temperature on the magnitude of the chemical shift difference between isopropyl methyl sulfoxide enantiomers in the presence of (-)-TFPE in CCI4. Molar ratio of alcohol to sulfoxide to solvent is 2 1 5. Symbols are as in Figure 2. Reprinted with permission from Tetrahedron Lett. 1974,2295-2298.

For example, acetyladamantane and isopropyl methyl ketone gave 1-adamantyl-acetamide in 85% yield and N-acetyl-isopropylamine in 46% yield, respectively [79]. A similar a-cleavage was observed in the electrochemical oxidation of the a-branched cyclic ketone (43) using Et3N-5HF as an electrolyte (Scheme 16) [81]. 

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