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Publikováno v:
Journal of the Chemical Society, Chemical Communications. :1419
Anthranilic acid and 4,5-dichloro-1,2,3-dithiazolium chloride 1 give the delicate dithiazoloimino carboxylic acid 8 which on mild thermolysis gives 2-cyano-3,1-benzoxazin-4-one 6 and with triphenylphosphine gives 2-cyano-3,1-benzothiazin-4-one 7, bot
Publikováno v:
Journal of the Chemical Society, Chemical Communications. :1123
Lactols reacted with enol acetates by a Lewis acid reagent, derived from N-chlorosuccinimide and tin(II) chloride, to produce 2-acetonyl cyclic ethers diastereoselectively.
Publikováno v:
Journal of the Chemical Society, Chemical Communications. :791
Reaction of a 2-unsubstituted pyrrole with acetic anhydride and stannic chloride unexpectedly promotes self-condensation to give symmetrical di(pyrrolyl)ethene as a side-product in 6–10% yield, but overall yields of these 1,1-di(pyrrolyl)ethenes ca
Autor:
Richard F. W. Jackson, Ruth C. Borner
Publikováno v:
Journal of the Chemical Society, Chemical Communications. :845
A new, flexible route to the substituted triphenylenes has been developed which involves the preparation of terphenyls using a palladium-catalysed cross-coupling of arylzinc halides with 1,2-dihalogenobenzenes, followed by oxidative cyclisation of th
Publikováno v:
Journal of the Chemical Society, Chemical Communications. :67
Substituted (Z,Z)-1,6-dibromohexa-2,4-dienes, obtained from substituted catechols via the corresponding diols, react with primary amines, lithium sulfide, sodium phenylphosphide and malonic ester enolate under mild conditions to give efficient synthe
Autor:
Anton Beck, Diya Meng, Michael Hanack, Michael Sommerauer, Lakshminarayanapuram R. Subramanian
Publikováno v:
Journal of the Chemical Society, Chemical Communications. :58
Tetra-tert-butylphthalocyaninatonickel is synthesized from phthalic anhydride as well as from phthalodinitrile and nickel chloride, whereby a mixture of four different structural isomers are obtained; two of these isomers, with C2v-and Cs-symmetry ar
Autor:
Kevin M. Smith, Xuqin Jiang
Publikováno v:
Journal of the Chemical Society, Chemical Communications. :1054
Treatment of 3,8-diacetyldeuteroporphyrin IX dimethyl ester 6 with phosphoryl chloride and N,N-dimethylformamide gives the 3,8-bis(1-chloro-2-formylvinyl) derivative 7 which affords the corresponding 3,8-diethynyl derivative 2 upon treatment with bas
Autor:
Edwin D. Roycroft, David H. Grayson
Publikováno v:
Journal of the Chemical Society, Chemical Communications. :269
5-(Tetrahydro-2-furyl)pentanoic trifluoroacetic anhydride reacts in the presence of trifluoroacetic acid to yield 6-trifluoroacetoxy-9-nonanolide together with (E)-non-5-en-9-olide; treatment of the same mixed anhydride with titanium(IV) chloride giv
Publikováno v:
Journal of the Chemical Society, Chemical Communications. :1274
Tetrachloro-o-benzoquinone reacts with bis(diisopropylamino)thioxophosphoranenitrile N-[(phenyl)(2,4,6-trifluoromethylphenyl)phosphanyl]imide 1b affording the corresponding σ5λ5-phosphorus-substituted nitrilimine 2b; addition of HCl to 2b leads to
Autor:
T. John S. Dennis, Roger Taylor, Alaa Abdul-Sada, Mohamed F. Meidine, Harold W. Kroto, David R. M. Walton, Jonathan P. Parsons, Jonathan P. Hare, G. John Langley
Publikováno v:
Journal of the Chemical Society, Chemical Communications. :667
A product of molecular formula C60Ph12 is obained by heating benzene, bromine and C60 in the presence of iron(III) chloride; other phenylated and oxygenated derivatives are also present.