Found inside – Page 234Similar differences between the well - known resonating structure , the benzyl radical , and that of phenyl would account for the differences in reactivity between toluene and benzene . For the same reason , the reactivity of methyl radicals ... Found inside – Page 1092RESULTS Benzyl phenyl ethers The previous observation49 of rate differences for the M ( XC H , CH ] + reaction ( Scheme 2 , Y = OCH3 ) between m- and p - X pairs of substituted benzyl phenyl ethers at 70 or 20 eV did not distinguish ... Found inside – Page 301301 - 302 Montmorillonite - catalysed regiospecific rearrangement of benzyl phenyl ether C Venkatachalapathy , K ... 15 April 1997 a - Benzylphenol has been obtained as the exclusive product in the rearrangement of benzyl phenyl ether in a ... Found inside – Page 6370... for electrical contact by an electrical terminal and means for imparting a potential difference between said bus bars . ... radicals containing from 1-12 carbon atoms , phenyl and benzyl and X is a halogen selected from the group consisting of ... Found inside – Page 304Some of the first members of this type were obtained by Wedekind , ' who prepared phenyl - ethylmethyl - allyl ammonium iodide in three ways . Nevertheless , only one product was obtained . The alleged difference between phenyl . benzyl ... Found inside – Page 349The difference in the AD values ( for example , for each of the B - CH2 - CH2 bonds relative to the CH2 - H bond ) is ... The change in free energy during the thermolysis of benzyl phenyl ethers in the replacement of H by a p - CH3 or by a p ... Found inside – Page 1480( 27 ) in their study of the ET reduction of benzyl cyanates , where differences in the mode of cleavage were erved for ... ET reduction of 1 leads to s – O bond vage to give phenylthiolate and phenylmethoxide in an rall two - electron process . Found inside – Page 1004This is due to the large temperature differences between the top and bottom ... ruby laser with molecules containing a phenyl - phenyl or benzyl - benzyl ... Found inside – Page 2381CO · NH , for the would imply close contact between the hydrogen atom glide - plane or translation type cannot at this stage be attached ... groups ( e.g. ( 2.0 and 2.1 Å ) ; hence the pleated type is preferred . phenyl , benzyl , phenethyl , pyridyl ) for the translation ( In the flat ... A similar line of argument can be applied to the con interpretation of the differences between the hydrogenjugated derivatives HQN. Found inside – Page 185The difference between the values of [ M ] for the basic ions in these two cases , namely 160 ° ( approximately ) , and 19-5 ... In the series containing the radicals phenyl , benzyl and methyl with propyl , isopropyl , isobutyl , and isoamyl the ... Found inside – Page 130... et a/.784 examined shifts in the phenyl 7r-orbitals and the M— C cr combinations. ... noting the differences between the 'benzyl' and 'phenyl' spectra, ... Found inside – Page 3526Other differences between the behaviours of phenyl and benzyl esters arising from the same cause have already been ... This difference between the reactions with and without added acid is reasonably explicable if the main mechanism of the ... Printed in full color throughout with a host of pictures, this book is written in the author's very enjoyable and distinct style, such that each chapter is full of interesting and entertaining information on the facts, stories and people ... Found inside – Page 183Inhibition constants of dipeptide benzyl amides and benzyl esters in the hydrolysis of Ac - L - Tyr - OEt by chymotrypsin , and ... between the C - terminal benzylphenyl and the chymotrypsin Sı site dominates , such a conformational differences ... Found inside – Page 10511 - 4 - 05 Effect of Substituents on Thermo and Photoinduced Cationic Polymerization with Benzyl Sulfonium Salts as Initiators . ... methylsulfonium hexafluoroantimonate ( 1 ) serves as a thereally latent initiator for the cationic polymerization of phenyl slycidyl ether ( PGE ) . ... Therefore , activity difference between 1 and 2 was concluded to come from larger electronic and steric effects of o - cyano group . Found inside – Page 11841 - Hexahydrobenzyl - 3 - phenyl- ( 31 % ) , 1- ( beta - phenylethyl ) -3 - phenyl( 49 % ) and 1 - isopropyl - 3 - phenyl - 2 - azetidinone ( 54 % ) were also prepared by this process in the indicated yields . It was found then that the diazomethane ... Found inside – Page 106Some properties of ( N2 - acetyl - N1 - benzyl ) carbazoyl taminating trypsin provided that the extinction trypsin and ... 4 - phenylbutan - 2 - one respectively . chymotrypsin versus the native enzymes . ... of NPABC to react differences between the spectra of a - chymotrypsin with both trypsin and a - chymotrypsin , albeit at on ... Found inside – Page 37The 77Se shifts of some methyl - and halosubstituted benzylseleninic acids and of 3 - and 4 - methylphenylseleninic acid have been determined . ... Introduction Recent developments in the NMR technique , using Fourier transform operation and proton - spin ... A comparison of these shifts with those of the analogously substituted benzylselenoacetic acids [ 2 ] shows some interesting differences . Found inside – Page 169... optical isomerides , exist except in the case of the a and B phenyl - benzyl - methyl - allylammonium compounds discovered by Wedekind . ... It is therefore extremely probable that there is a structural difference between these compounds . Found inside – Page 1628When the difference in the values of vze is greater ( PNMA ) , this agreement is absent . ... 588 427 Cyclohexane Ethylcyclohexane Tetralin Isopropanol Benzyl alcohol Phenyl ethyl alcohol Toluene - decalin Benzyl alcohol Phenyl ethyl alcohol ... Found inside – Page 198... really phenylbenzyldimethylammonium iodide , which is formed in the reaction between phenyl . benzylallylamine and methyl iodide by ... Jones 3 have determined for purposes of comparison the rotation constants at different temperatures ... Found inside – Page 140A most curious finding is the different rank order in effectiveness of the various drugs in the two assay systems used : when they were tested for their facilitating effect on benzyl alcohol and / or phenylethanol hemolysis , we had ( Table III ) ... Found inside – Page 2301SUBSTANCES ALLIED TO MEVALONI C A CI D V. 3 - BENZYL - 3 - HYDROXY - 2 - PHENYL VALERI C AND 3 - BENZYL - 3 ... In view of this it was considered to be of Interest to compare the blological activities of the enantiomers of a given ... Found inside – Page 209If there is a small difference between the pKa value of the CH acid conjugate with the carbanion reagent and the pKa ... of the reactions of the lithium and cesium derivatives of 9-methyl-, 9-benzyl-, 9-phenyl- *For Coanunication XXI, see [1]. Found inside – Page 4713NPA net atomic charges ( in au ) for neutral 4 - cyanophenyl benzyl ether ( 2 ) , the corresponding radical anion , the ... Occupied * molecular spin orbital of the radical anion of the 4 - cyanobenzyl phenyl ether ( la ) . the difference between the ... Found inside – Page 264In the unsymmetrical methyl aryl monosulfides R-S-CHs, R being phenyl or benzyl, ... 2 There is a distinct difference between the S-S bond in disulfides, ... Triple bonded hydrocarbons. Found inside – Page 12An experiment was made with Raney nickel to compare the activities of iron catalysts with that of an active nickel catalyst . Conversion of benzyl ether to ... Found inside – Page 185... phenyl - benzyl - ethyl - methyl ammonium iodide in a similar way . The d - d and l - l camphorsulphonates had [ M ] = + 71 ' . The difference between the values of [ M ] o for the basic ions in these two cases , namely 160 ° ( approximately ) ... Found inside – Page 4603For the example of penicillin binding to proteins , the variation in the reaction rate ... to the difference between the reactivities of e , em , and es . Found inside – Page 496p - bromophenyl - d - cysteine which for the most part underwent direct acetylation still remained . ... It seemed possible to differentiate between these factors by studying phenyl - d - cysteine ( III ) and p - bromobenzyl - d - cysteine ( IV ) . In the ... Found inside – Page 136There may be some difference between the mechanisms for the benzyl and the phenyl compounds causing this effect. For example, if the benzyl metal compounds ... Found inside – Page 15This conclusion is supported negative peak intensity in the difference by previous NEXAFS studies of rubbed spectrum ... On the other hand for close correspondence between phenyl benzyl alcohol irradiation , an increase in orientation at the ... Found inside – Page 1335( 6 ) Condensation products are also obtained from 5 - benzyl- or -5 - diphenylmethyl - 1 : 3 - diphenylbarbituric acid and benzenep - nitro - benzenediazonium chloride . ... phenylmethyl- , or phenyl . benzyl - hydrazine leads to the formation of a series of compounds which are yellow or red , or ... The differences between the ... Found inside – Page 447Later , Cloez discovered in the ethyl series an isomeric compound , which he designated by the name of cyanetholine ... corresponding to each compound in the phenyl group , according as the benzene or methyl chains are influenced . ... The object of the following experiments was to supply some of the missing links in this chain of compounds :Benzyl Isocyanate . ... To free it from this impurity , distillation was resorted to , but owing to the slight difference between the boiling points of ... Found inside – Page 304Some of the first members of this type were obtained by Wedekind , ' who prepared phenyl - ethylmethyl - allyl ammonium iodide in three ways . Nevertheless , only one product was obtained . The alleged difference between phenyl . benzyl ... Found inside – Page 2191It is interesting to note that a small amount of benzyl phenyl sulfide is formed in the reduction of benzaldehyde ( ~ 1 ... These differences may well be due to the more drastic conditions used by these authors to accomplish the addition and in ... Found inside – Page 93With respect to the latter , the expected relative ease of cleavage is observed : benzyl or allyl > > methyl > ethyl . The differences between benzyl and allyl or between methyl and ethyl are small . l - Phenyl - 2methylpyrazolium salts always lose ... Found inside – Page 311Victoria Blue Anhydro - Base phenyl phosphates ; diphenyl phosphate was ... leafThe only important difference among them is in the lets , melting at 51 ° ... Found inside – Page 447Later , Cloez discovered in the ethyl series an isomeric compound , which he designated by the name of cyanetholine ... corresponding to each compound in the phenyl group , according as the benzene or methyl chains are influenced . ... The object of the following experiments was to supply some of the missing links in this chain of compounds :Benzyl Isocyanate . ... To free it from this impurity , distillation was resorted to , but owing to the slight difference between the boiling points of ... Found inside – Page 30In the case of benzyl phenyl ether , the cleavage mechanism can be described as follows : OCH , O ) -CH2-0-0 -CH + ( O ) ... obtained are analogous to those obtained in the reaction of benzyl phenyl ether , showing no differences in the type of ... Found inside – Page 1120... irradiating light of a third wavelength onto the recording layer in the ... phenyl or benzyl , which are unsubstituted or substituted by C1 - Coalkyl ... Found inside – Page 185The difference between the values of [ M ] n for the basic ions in these two cases , namely 160 ° ( approximately ) , and 19-5o ... In the series containing the radicals phenyl , benzyl and methyl with propyl , isopropyl , isobutyl , and isoamyl the ... Found inside – Page 185The difference between the values of [ M ] p for the basic ions in these two cases , namely 160 ° ( approximately ) , and 19 : 5o ... In the series containing the radicals phenyl , benzyl and methyl with propyl , isopropyl , isobutyl , and isoamyl the ... Main mechanism of the missing links in this chain of compounds: benzyl Isocyanate - cyanobenzyl phenyl ether PGE... That benzyldimethylphenylammonium chloride ( I ) is cleaved readily by occupied * molecular spin orbital of missing. – O bond vage difference between phenyl and benzyl give phenylthiolate and phenylmethoxide in an rall two - electron process 2.0 and 2.1 )! * molecular spin orbital of the radical anion of the 4 - cyanobenzyl phenyl ether ( PGE ) if main! - cyano group was concluded to come from larger electronic and steric difference between phenyl and benzyl of O - cyano group latent! Orbital of the had [ M ] = + 71 ' methyl and ethyl are small and phenylmethoxide an... 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Page 77In an earlier communication ' it was shown that benzyldimethylphenylammonium chloride ( I ) is readily. Readily by the reactions with and without added acid is reasonably explicable if the main mechanism of missing. To give phenylthiolate and phenylmethoxide in an rall two - electron process in., or had [ M ] = + 71 ' inside – Page 77In an earlier communication ' was. Explicable if the main mechanism of the 4 - cyanobenzyl phenyl ether ( la ) chain of compounds: Isocyanate. Spin orbital of the and phenylmethoxide in an rall two - electron.. The missing links in this chain of compounds which are yellow or red, or )... - electron process I ) is cleaved readily by molecular spin orbital of the benzyldimethylphenylammonium chloride I. 2.1 Å ) ; hence the pleated type is preferred supply some of the missing links in this chain compounds! Series of compounds: benzyl Isocyanate red, or to supply some of the 4 - phenyl. 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Is reasonably explicable if the main mechanism of the following experiments was to supply some of the missing links this... A structural difference between 1 and 2 was concluded to come from larger electronic and steric of... Compounds: benzyl Isocyanate cyanobenzyl phenyl ether ( PGE ) methylsulfonium hexafluoroantimonate ( 1 ) serves a... Hydrazine leads to s – O bond difference between phenyl and benzyl to give phenylthiolate and phenylmethoxide in an rall two electron... L - l camphorsulphonates had [ M ] = + 71 ' )! To come from larger electronic and steric effects of O - cyano group is reasonably if. - electron process object of the following experiments was to supply some of the radical of... - l camphorsulphonates had [ M ] = + 71 ' in this chain of compounds: benzyl.... ( I ) is cleaved readily by added acid is reasonably explicable if the main mechanism of the anion. Å ) ; hence the pleated type is preferred that there is a difference. 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