888. The action of sulphur monochloride on aromatic hydrocarbons

Abstract

When this was complete red needles separated.We acknowledge generous gifts of isodurene from the British Petroleum Co., Ltd., and from Esso Research Ltd.

Sulfurization of Jojoba Oil

“…By comparison, the following mechanism can be proposed for the sulfurization of jojoba oil Stage I is the one that controls the rate of reaction because the intermediate is more reactive than S2CI2. Aryan (1961) pointed out that two polar structures may be proposed for S2CI2 but the preferred one should be that involving the heterolytic decomposition of the molecule.…”

3,4-Disubstituted and fused 1,2,5-thiadiazole n-oxides

“…For example, benzofurazan N,N-dioxide (20) has been shown to be unstable with respect to ring opening.25 Another plausible explanation may be that the hypothetical B is easily reduced by any S+1 or S+2 source present in the reaction mixture before and after hydrolysis. The high oxidiz-20 21, Jodinin (R = H) 22, Myxin (R = CH3) ing power of phenazine , -dioxides, such as the broadspectrum antibiotics Jodinin6 (21) and Myxin26,27 (22), we regard as additional supporting evidence for path a.…”

“…The existence of compounds containing the chlorothio (CIS) group is well documented and, in several instances, compounds containing the chlorodithio (C1SS) group have been isolated. 21 Chlorodithio compounds as intermediates have also been postulated in the reaction of aliphatic amides22 [to ) would involve formation of the hypothetical intermediate E by loss of oxygen from A followed by nucleophilic attack of the nitrogen of the oxime group on sulfur of the chlorothio group to give the N-oxide C directly. If sulfur monochloride is employed in these reactions, the chlorodithio intermediates analogous to A and E are cleaved at the sulfur-sulfur bond during the ring clusure.…”

2-[1-(3,4-Dichlorophenyl)-3-oxo-3-phenylpropyl]-3,4-dihydro-2H-naphthalen-1-one

“…The structure of (I), showing 30% probability displacement ellipsoids. Ariyan & Suschitiky, 1961) and polyfunctional compounds (Edwin & Alexanden, 1992;Gill et al, 1952). The solvent-free reaction has attracted much attention in recent years (Tanaka & Toda, 2000) and has been proved to have many advantages: reduced pollution, low costs, and simplicity in process and handling.…”