Ethyl vinylacetate

Ethyl n-propylmalonate, 486 Ethyl n-propyl ketone, 340 4-Ethylpyridine, 844 Ethyl 2-pyridylacetate, 931, 932 Ethyl salicylate, 783 Ethyl sulphite, 304 Ethyl -valerate, 382, 389 Ethyl vinylacetate, 382, 389 Ethylenediamine-adipic acid polymer, 1019,1025 Ethylene glycol, 285 Ethylene glycol, monoalkyl ethers of, 170, 444... 

Dicyclohexylborane is comparable to disiamylborane (1, 57-59,2,29) in effecting selective hydroboration of dienes1 and of olefins containing reactive functional groups near the double bond (e.g., ethyl vinylacetate and allyl benzoate ). 

Figure 8.15. M, M" as a function of frequency for three poly(octyl-3 thiophene) based samples of vanous conductivity, (a) Mixture of poly(3-octylthiophene) (20% ) in poly(ethyl-vinylacetate), <7dc = 6 x 10 S cm (b) Mixture of poly(3-octyl thiophene) (10% ) in poly(ethyl-vinylacctate), erdc = 5 x 10 " S cm (c) poly(3-octylthiophene), = 10 S cm...

There remains one more isomerization to be discussed. The formyl group formed in the hydroformylation of olefins with longer carbon chains need not necessarily be attached to one of the C-atoms having previously formed the double bond but can also be bound to other C-atoms of the carbon chain. This is especially the case if the addition to neither C-atom of the double bond results in the formation of an energetically and steri-cally favored alkylcobaltcarbonyl. As an example internal straight chain olefins may be taken. Under favorable reaction conditions they yield nearly the same isomer distribution as the corresponding terminal olefins do [25]. Another example is ethyl vinylacetate which yields the same reaction products as ethyl crotonate does. 

Dimelhyl-2-butene added at 0° to 3.1 M borane in tetrahydrofuran to form thexylborane (2,3-dimethyl-2-butylborane), stirring continued 1 hr. at 0°, a soln. of isobutylene in tetrahydrofuran added and allowed to react 0.5 hr. at 0°, then ethyl vinylacetate added, allowed to stand 2 hrs. at 0°, water added, kept 3 hrs. at 50° under 70 atm. GO in a stainless-steel autoclave, transferred to a glass flask, 3 M Na-acetate added followed by O -HgOg at a rate to maintain the temp, at 30-40°, and kept 1 hr. at 50° — ethyl 7-methyl-5-oxooctanoate. Y 84%. - Because of the low migration aptitude of the thexyl group, either the same or two different olefins with a wide variety of functional groups can... 

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