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1
Organic Compounds of Sulphur, Selenium and Tellurium
A bis(arylthio)sulphonium salt, probably better represented as the symmetrical
cation (19), is formed either from a disulphide or from an arenesulphenyl chloride
with SbCl5. 421 Ar S SbCl6" ArS — = — SAr (19) /A Alkylthio-sulphonium salts ...
Royal Society of Chemistry, D. R. Hogg, 1981
2
Organic Compounds of Sulphur, Selenium and Tellurium
5 kcalmol 1 less than the barrier in the corresponding sulphonium salt.41 From
13C and 1H n.m.r. data on sulphonium phenacylides it has been concluded that
the ylide carbon atoms are sp2 hybridized.42 The differential kinetic acidity of ...
3
Photonic Polymer Systems: Fundamentals: Methods, and ...
Synthesis of the bis-sulphonium salt monomer in the reaction in Scheme 1 : a,a'-
Dichloro-p-xylene is reacted with tetrahydrothiophene to give p-xylylene- bis(
tetrahydrothiophenium chloride), [52547-07-6]. The monomer salt carries various
...
Donald L. Wise, Gary E. Wnek, Debra J. Trantolo, 1998
CH3v ^S— CH2COCJl5 C2H5 — 1 + 0,N ethylmethylphenacylsulphonium
picrate (Smiles in 1900) Specific rotation being + 8.1° and - 9.2° [Mann and
Holliman in 1946] It is important to note that the optical activity of the sulphonium
salt is not ...
5
Photoinitiated Polymerisation: Theory and Applications
16, 1995, p.3093-8 PHOTOCHEMICALLY AND THERMALLY INDUCED
RADICAL PROMOTED CATIONIC POLYMERISATION USING AN ALLYLIC
SULPHONIUM SALT Denizligil S; Yagci Y; McArdle C Istanbul,Technical
University; Loctite ...
6
Organic Compounds of Sulphur, Selenium and Tellurium
However, (160) was shown to revert to ylide and carbonyl compound by
treatment with sodium carbonate, upon which the sulphonium salt was isolated,
or by treatment with potassium t-butoxide in the presence of co-benzoylstyrene, ...
7
Addition and Elimination Reactions of Aliphatic Compounds
Hybridisation appears to have progressed further towards sp2 at the alpha
carbon in the transition state in the elimination from 2-phenylethyl bromide than
in the corresponding ammonium salt and least in the sulphonium salt (
compounds 1, 2, ...
C.H. Bamford, R.G. Compton, C.F.H. Tipper†, 1973
8
Organic Reaction Mechanisms, 1976
Dimethyl methylmalonate additions to the allenic sulphonium salt (219),
generated by base-catalysed isomerization of the prop-2-ynylic sulphonium salt (
218), leads to sulphide (222), presumably derived by deprotonation of the initial
adduct ...
9
Organic Electroluminescent Materials and Devices
Starting material is 1,4 bis(chlormethyl)benzene, which forms a bis-sulfonium salt
after treating with tetra- hydrothiophene. The sulphonium salt 1 ,4-phenylene
dimethylene-bis(tetramethylene sulfonium chloride) was prepared according to a
...
In a similar way, Smiles ( 1 900) prepared ethylmethylphenacyl-sulphonfum
picrate, (1), in two optically active forms, one with an [a]D of +8.1° and the' other -
9.2°. A more recent example of an optically active sulphonium salt is one with the
...
