Sulfur LettersPub Date : 2002-01-01DOI: 10.1080/02786110212864
W. Rudorf, D. Cleve
{"title":"Thiocarbamoylation of sulfonamides with isothiocyanates","authors":"W. Rudorf, D. Cleve","doi":"10.1080/02786110212864","DOIUrl":"https://doi.org/10.1080/02786110212864","url":null,"abstract":"1,3-Thiazetidines 3a-c , thiazolidines 3d-f , perhydro-1,3-thiazine 3g and perhydro-1,3-thiazepine 3h , respectively, were prepared by alkylation of sodium salts 2 with dihaloalkanes. Isothioureas 4 and 5 were obtained using analogous conditions. Reaction of p -toluenesulfonamide with sodium hydride/phenyl isothiocyanate and subsequent alkylation with ethyl bromoacetate formed S -ethoxycarbonylmethyl-isothiourea 6 or thiazolidone 7 . Reaction of 6 with thiacumulenes gave 1,3-dithiolane 8 or ketene- S,N -acetal 9 .","PeriodicalId":22122,"journal":{"name":"Sulfur Letters","volume":"1 1","pages":"105 - 113"},"PeriodicalIF":0.0,"publicationDate":"2002-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80419941","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sulfur LettersPub Date : 2002-01-01DOI: 10.1080/02786110212861
S. Renuga, S. Sivakolunthu, S. Perumal, S. Selvaraj, M. Gnanadeepam
{"title":"Synthesis and characterization of cu(ii) bis chelates of bis(benzoylmethyl) sulfide, phenylthioacetophenone and a few mixed ligand complexes","authors":"S. Renuga, S. Sivakolunthu, S. Perumal, S. Selvaraj, M. Gnanadeepam","doi":"10.1080/02786110212861","DOIUrl":"https://doi.org/10.1080/02786110212861","url":null,"abstract":"Copper (II) complexes of the type [Cu(BMS) 2 ], [Cu(PTA) 2 ] and [Cu(BMS)L(H 2 O) x ( x =2 or 0)] where BMSH=bis(benzoylmethyl) sulfide and L=8-hydroxyquinoline (oxineH)/salicylaldehyde (salH)/salicylaldoxime (saloH)/salicylaldehydephenylhydrazone (salphH)/acetylacetone (acacH)/phenylthioacetophenone (PTAH) and also the mixed-ligand complexes of Cu(II) with PTAH and oxineH have been synthesized and characterized.","PeriodicalId":22122,"journal":{"name":"Sulfur Letters","volume":"191 1","pages":"95 - 99"},"PeriodicalIF":0.0,"publicationDate":"2002-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77611592","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sulfur LettersPub Date : 2002-01-01DOI: 10.1080/02786110210633
S. Céard, M. Vivier, D. Roche, M. Madesclaire
{"title":"Synthesis of Imidazo[1,2- a ] Pyridine Gem -Amido Vinyl Sulfides, Vinyl Sulfoxides And Vinyl Sulfones. Influence of the Degree of Oxidation of the Sulfur on the Stereoselectivity of the Reaction","authors":"S. Céard, M. Vivier, D. Roche, M. Madesclaire","doi":"10.1080/02786110210633","DOIUrl":"https://doi.org/10.1080/02786110210633","url":null,"abstract":"( E )-Stereoisomers of imidazo[1,2- a ]pyridine gem -amido vinyl sulfoxides and vinyl sulfones are efficiently prepared by condensation of N , N -diethylphenylsulfinyl or z N , N -diethylphenyl- sulfonylacetamide with imidazo[1,2- a ]pyridine-2-carbaldehyde in the presence of NEt 3 .","PeriodicalId":22122,"journal":{"name":"Sulfur Letters","volume":"3 1","pages":"15 - 20"},"PeriodicalIF":0.0,"publicationDate":"2002-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91313074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sulfur LettersPub Date : 2002-01-01DOI: 10.1080/02786110214494
B. Trofimov, L. Parshina, N. Gusarova, N. Ivanova, G. Myachina, I. Kovalev, T. Skotheim
{"title":"Sulfur-rich copolymers of sulfur with 5-vinylbicyclo[2.2.1]hept-2-ene and tricyclo[5.2.1.0 2.6]deca-3,8-diene as prospective cathode materials for lithium cells","authors":"B. Trofimov, L. Parshina, N. Gusarova, N. Ivanova, G. Myachina, I. Kovalev, T. Skotheim","doi":"10.1080/02786110214494","DOIUrl":"https://doi.org/10.1080/02786110214494","url":null,"abstract":"Catalytic copolymerization of sulfur with 5-vinylbicyclo[2.2.1]hept-2-ene or tricyclo[5.2.1.0 2.6 ]deca-3,8-diene (sulfur:diene ratio=20:1) at 170 v °C in bulk or decalin in the presence of 1,4-diazabicyclo[2.2.2]octane or N,N,N,N-tetramethylethylenediamine in combination with CoCl 2 - 6H 2 O or Cu(acac) 2 occurs at two dienic double bonds to form partially cross-linked copolymers stable up to 200 v °C (DSC/TGA). Preliminary evaluation of the specific discharge capacity of cathodes made using the above copolymers in model lithium button cells gives 670-970 and 300-330 v mA - h - g m 1 in the 1st and 50th cycles, respectively.","PeriodicalId":22122,"journal":{"name":"Sulfur Letters","volume":"32 1","pages":"219 - 227"},"PeriodicalIF":0.0,"publicationDate":"2002-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84033630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sulfur LettersPub Date : 2002-01-01DOI: 10.1080/02786110211431
K. Prabakaran, S. Pyne, B. Skelton, Allan H. White
{"title":"Crystal Structure of (1 R ,2 S ,5 R )-Menthyl ( S )-2-Methoxy-Naphthalene-1-Sulfinate","authors":"K. Prabakaran, S. Pyne, B. Skelton, Allan H. White","doi":"10.1080/02786110211431","DOIUrl":"https://doi.org/10.1080/02786110211431","url":null,"abstract":"The crystal structure of (1 R ,2 S ,5 R )-menthyl ( S )-2-methoxy-1-naphthalene sulfinate (C 21 H 27 O 3 S) is reported, thus confirming the absolute stereochemistry of this synthetically important molecule.","PeriodicalId":22122,"journal":{"name":"Sulfur Letters","volume":"19 1","pages":"67 - 69"},"PeriodicalIF":0.0,"publicationDate":"2002-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84260029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sulfur LettersPub Date : 2002-01-01DOI: 10.1080/02786110215844
M. Coogan, J. Platts, R. Haigh
{"title":"Synthesis and X-ray structure determination of thionated biphthalimides","authors":"M. Coogan, J. Platts, R. Haigh","doi":"10.1080/02786110215844","DOIUrl":"https://doi.org/10.1080/02786110215844","url":null,"abstract":"Thiation of N , N -biphthalimide in a search for new axially chiral ligands gave a mixture of oligothiobiphthalimides; X-ray crystallography shows that the achiral isomer of dithiodioxobiphthalimide, 1,3-dithioxo-1H-3H-[2,2 ' ]biisoindolyl-1 ' ,3 ' -dione is formed, which may imply a change in the mechanism of thiation between mono- and di-phthalimides.","PeriodicalId":22122,"journal":{"name":"Sulfur Letters","volume":"37 1","pages":"251 - 257"},"PeriodicalIF":0.0,"publicationDate":"2002-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81501805","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sulfur LettersPub Date : 2002-01-01DOI: 10.1080/02786110213975
A. Hajipour, A. Ruoho
{"title":"Deprotection of tuioacetals by wet alumina supported cr(VI) oxide under solvent-free conditions","authors":"A. Hajipour, A. Ruoho","doi":"10.1080/02786110213975","DOIUrl":"https://doi.org/10.1080/02786110213975","url":null,"abstract":"Wet alumina supported chromium( VI) oxide performed efficient deprotection of S,S-acetals ( 1 ), 1,3-dithiolanes and 1,3-dithianes ( 2 ) under solvent-free conditions at room temperature. The reaction has been carried out in excellent yield and short reaction time under solvent-free conditions and the purification of products was straightforward.","PeriodicalId":22122,"journal":{"name":"Sulfur Letters","volume":"11 1","pages":"151 - 154"},"PeriodicalIF":0.0,"publicationDate":"2002-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75897018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sulfur LettersPub Date : 2002-01-01DOI: 10.1080/02786110213974
Karine Candela, R. Fellous, D. Joulain, R. Faure
{"title":"An unusual rearrangement of the thujane skeleton under free-radical conditions: Synthesis of thioacetates and thiols derivatives of (-)-sabinene","authors":"Karine Candela, R. Fellous, D. Joulain, R. Faure","doi":"10.1080/02786110213974","DOIUrl":"https://doi.org/10.1080/02786110213974","url":null,"abstract":"Photochemical acetylthiolation of (-)-sabinene 1 afforded 10-acetylthiothujane 2 and an unexpected cyclopentenyl methyl thioacetate 3 in moderate yield (24%). Hydride reduction of these two latter compounds gave two monoterpenoid thiols ( 2a and 3a ) in excellent yield (95%). The odour of the major sulfur-containing compounds 2 and 2a was respectively described as being typically anisic and as reminiscent of cooked leek. Structural determination of these derivatives was achieved by one- and two-dimensional NMR spectroscopy.","PeriodicalId":22122,"journal":{"name":"Sulfur Letters","volume":"168 1","pages":"145 - 149"},"PeriodicalIF":0.0,"publicationDate":"2002-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90135922","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sulfur LettersPub Date : 2002-01-01DOI: 10.1080/02786110214497
Suryanarayana Rao, L. Sakthikumar, S. Shreedevi
{"title":"Nitroketene dithioacetal chemistry: Synthesis and characterization of some 1,1-di(alkylsulfanyl)-2-nitroethylenes and 2-(nitromethylene)-1,3-dithia heterocycles","authors":"Suryanarayana Rao, L. Sakthikumar, S. Shreedevi","doi":"10.1080/02786110214497","DOIUrl":"https://doi.org/10.1080/02786110214497","url":null,"abstract":"Differently substituted 1,1-di(alkylsulfanyl)-2-nitroethylene and 2-(nitroethylene)-1,3-dithia heterocycles were synthesized and characterized on the basis of spectral data. The X-ray crystal analysis of 2-(nitromethylene)-1,3-dithietane reveals a dimeric structure, stabilized through CH-O hydrogen bonding interactions. Attempted synthesis of dithia-crown ethers from the salt did not furnish the desired products instead only 2-(nitromethylene)-1,3-dithiolane was formed in the reaction.","PeriodicalId":22122,"journal":{"name":"Sulfur Letters","volume":"14 1","pages":"207 - 218"},"PeriodicalIF":0.0,"publicationDate":"2002-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82037673","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sulfur LettersPub Date : 2002-01-01DOI: 10.1080/02786110215846
K. Aghapoor, H. R. Darabi, K. Tabar-Heydar, L. Nakhshab
{"title":"Synthesis of aliphatic thiomorpholides by willgerodt-kindler reaction under solvent-free conditions","authors":"K. Aghapoor, H. R. Darabi, K. Tabar-Heydar, L. Nakhshab","doi":"10.1080/02786110215846","DOIUrl":"https://doi.org/10.1080/02786110215846","url":null,"abstract":"The Willgerodt-Kindler reaction of aliphatic ketones and aldehydes with sulfur and morpholine under solvent-free conditions was performed in a domestic microwave oven. The method is simple, rapid and avoids prolonged heating with solvents.","PeriodicalId":22122,"journal":{"name":"Sulfur Letters","volume":"20 1","pages":"259 - 261"},"PeriodicalIF":0.0,"publicationDate":"2002-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75371427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}