Blanka Wladislaw, Polish-born Jewish Brazilian organic chemist (Warsaw, Poland 03 June 1917- São Paulo 21 January 2012)

Nee Blanka Wertheim

Emeritus Member, Chemical Society of London (2001)

NEW REACTIONS, METHODS, ETC.

With L. Marzorati, M.A. Bueno, C.D. Vitta & G. Barazzone. New methodology for the preparation of N-tosyl aziridine-2-carboxylates. Tetrahedron Letters, 48: 6509-6513, 2007.

With C.D. Vitta, N.F. Claro Jr & L. Marzorati. New decarboxylative sulfenylation of some phenylsulfonyl arylacetic acids. Phosphorus Sulfur And Silicon, 161: 1-7, 2000.

With C.D. Vitta & L. Marzorati  Reactivities of carbonyl-activated angular and vinyl chlorine substituents in chloroanyl-cyclopentadiene adduct toward nucleophiles. Synthesis of new 1,4-benzoquinones containing na unusual ortho pattern of substitution. Synthetic Communications 30(18): 3413-3422, 2000.

With J. O. F. Melo, E. H. T. Pereira, C. L. Donnici & L. Marzorati. A novel and easy de-ethoxycarbonylation of alpha-substituted malonic esters. Synthetic Communications, 28(22): 4179-4185, 1998

With F.C. Biaggio & A.R. Rufino. Synthesis of new aze-thiaprotaglandins. In: VIII Brazilian Meeting on Organic Synthesis, 1998, São Pedro, S.P.. p. 141-141., 1998

With M. Mikolajczik,  W. H. Midura, F.C. Biaggio, L. Marzorati, M. W. Wierorek & J. Blasczyk. Alpha-Phos-phoryl sulfoxides. XI. Sulfenylation of alpha-phosphoryl sulfoxides and a general synthesis of optically active ketene dithioacetal mono-S-oxides. Tetrahedron (Oxford), 53: 2959-2972, 1997

With L. Marzorati, N.F. Claro Jr, & C.D. Vitta. A new methodology for obtaining alpha-oxo ester equivalents: sulfanylation of alpha-sulfonyl carboxylic esters in solid/liquid phase transfer catalytic system. Synthesis, 420-422, 1997

With L. Marzorati, C.D. Vitta et al. Novel stereoselective addition of some nucleophiles to 2,3-bis(methylsulfanyl)norbornenobenzoquinone. Tetrahedron Letters 38:2625-2628, 1997.

With L. Marzorati, C.D. Vitta & N.F. Claro Jr. New methodology for obtention of some alpha-methylsulfanyl sulfones. Synthetic precursors of carbonyl compounds. Synthetic Communications 26(18): 3485-3490, 1996.

With C. L. Donnici, J. O. F. Melo & L. Marzorati. Novo método para descarbetoxilação rápida e seletiva de malonatos substituídos. In: 19a Reunião Anual da SBQ, 1996, Caxambu, M.G. p. 129, 1996

With R. M. A. Neves, L. Marzorati & C.D. Vitta. A new method of sulfanylation of alpha-sulfonyl thioesters. In: VII Brazilian Meeting on Organic Synthesis, 1996, Rio de Janeiro, R.J.. PS-124, p. 150, 1996

With M. C. Mattos, L. Marzorati & C.D. Vitta. A new approach to the mechanism of asymmetric Michael addition of acetamidomalonate to chalcone using phase transfer chiral catalyst. In: VII Brazilian Meeting on Organic Synthesis, Rio de Janeiro, R.J. PS-133, p. 159-159, 1996

L. Marzorati, V.F. T. Russo, M. H. Zaim & C.D. Vitta. Novel reaction: decarboxylative Ramberg-Bäcklund rearrangement in some alpha-isopropyl sulfonyl carboxylic esters. Tetrahedron Letters 36: 8367-8370, 1995.

With L. Marzorati, I. P. A. Campos & C.D. Vitta. Determination of the configuration of a new tris(methyl-sulfanyl)-substituted benzoquinone-cyclopentadiene adduct using NOE difference 1H NMR spectroscopy. Journal of Chemistry Research, 438-439, 1994.

With F.C. Biaggio & L. Marzorati. Nova sulfenilação diastereosseletiva de algumas alfa-metilsulfinil acetofenonas em catálise por transferência de fase. In: 17a Reunião Anual da SBQ, Caxambu, M.G. p. QO94-QO94, 1994

With V. F. T. Russo & L. Marzorati. A new synthesis of some styrenes and tetralkyl-alkenes . In: 6th Brazilian Meeting on Organic Synthesis, São Paulo, S.P. 1994

With I. P. A. Campos, L. Marzorati & C.D. Vitta. A new route to alpha-methylthio alkyl phenyl sulfones. In: 6th Brazilian Meeting on Organic Synthesis, São Paulo, S.P., 1994

With L. Marzorati & F.C. Biaggio. Novel uncatalyzed thermal Pummerer rearrangements. Journal of Organic Chemistry 58:6132-6134, 1993.

With L. Marzorati & C. L. Donnici. New decarboxylation, de-ethoxycarbonylation and desulfonylation, followed by sulfenylation of some half-esters of malonic acids and alpha-sulfonylmalonic esters. Journal of the Chemical Society-Perkin Transactions 1, 3167-3170, 1993.

With L. Marzorati & I. P. A. Campos. Some new heteroatom monosubstituted benzoquinone- cyclopentadiene Diels-Alder adducts. Anais da Academia Brasileira de Ciências 64(3): 225-229, 1992.

With L. Marzorati & F.C. Biaggio. DABCO: Um novo reagente para descarbetoxilação e dessulfonilação sulfenilativas. In: Anais 6o Encontro Regional da SBQ-MG, Belo Horizonte, M.G., p. 13, 1992

With L. Marzorati & C.D. Vitta. New decarboxylative sulfenylation of the alpha-sulfonyl carbonylic acids. In: 15th International Symposium of Organic Chemistry of Sulfur, Caen, 1992

With L. Marzorati & C.D. Vitta. New reduction of some sulfinyl carboxylic esters with sodium borohydride. Phosphorus Sulfur And Silicon 62:225-229, 1991.

With L. Marzorati & G. Ebeling. Alpha-(Methyl-thio)benzyl sulfones as synthetic intermediates. Part IV. Some new o-, m- and p-substituted alpha-(methylthio)- and alpha,alpha’-bis-(methylthio)-benzyl sulfones. Phosphorus Sulfur And Silicon 48:163-167, 1990.

With L. Marzotrati & J. Gruber. New alpha-sulfinyl-thioesters, as precursors to thioacrylates. Synthetic Communications 20(18):2937-2944, 1990.

With L. Marzorati & G. Ebeling. New Synthesis of some orto-substituted 1-deuterio-benzaldehydes. In: 13a Reunião Anual da SBQ, Caxambu, S.P.. p. QO012, 1990

With L. Marzorati, C.D. Vitta & I. P. A. Campos. Some new sulfur and selenium substituted benzoquinone-cyclopentadiene Diels-Alder adducts. Part II. Monosubstituted adducts. Phosphorus Sulfur And Silicon 47:153-156, 1990.

With L. Marzorati, J. Gruber & M.H. Zaim. New synthesis of vinyl sulphides. In: 3rd Brazilian Meeting on Organic Synthesis, São Carlos, S.P.., 1989

With L. Marzorati, S. Lima Neto & C.D. Vitta. New sulfoxides in the dimethylthio-enedione systems . Anais da Academia Brasileira de Ciências 59: 9-12, 1987.

With L. Marzorati & R. B. Uchoa. Alpha-(Methylthio) benzyl sulfones as synthetic intermediates. III. A new route to p-substituted phenyl alkyl ketones. Phosphorus And Sulfur, 32: 87-89, 1987.

With L. Marzorati & R. B. Uchoa. A novel thermal decomposition of alpha-methylthiobenzyl phenyl sulfones. Synthesis of p-substituted 1-deuteriobenzaldehydes. Synthesis, 964-966, 1986

With L. Marzorati, R. B. Uchoa & H. Viertler. Some new alpha-monosulfenylated benzyl phenyl sulfones; versatile intermediates for the synthesis of p-substituted benzaldehydes. Synthesis 553-555, 1985.

With L. Marzorati & C.D. Vitta. Some new sulfur and selenium substituted benzoquinone-cyclopentadiene . Phosphorus And Sulfur 25:147-154, 1985.

With L. Marzorati & R. B. Uchoa. Algumas novas sulfonas alfa-mono-sulfeniladas, versáteis intermediários para síntese de benzaldeídos-p-substituídos . In: Session of Academia Brasileira de Ciências, São Paulo, S.P, 1985

With L. Marzorati & C.D. Vitta. New sulphur and selenium 2,3-substituted benzoquinone-cyclopentadiene adducts . In: Fifth Conference on Organic Synthesis, Freiburg, 1984

With L. Marzorati & S. Lima Neto. Some new mono- and di-sulfur substituted xiloquinones . In: XI Symposium of Organic Sulfur Chemistry, Lindau, 1984.

With L. Marzorati & C.D. Vitta. Some new 2,3-dialkylthio-1,4-benzoquinones. Synthesis, 464-466, 1983.

With L. Marzorati & C.D. Vitta. Síntese de novos adutos de Diels-Alder 2,3-dialquiltio-substituídos . Ciência e Cultura, 35: 413-413, 1983

With L. Marzorati & C.D. Vitta. Some new 2,3-sulphur-substituted benzoquinone-cyclopentadiene adducts . In: Fourth International Conference on Organic Synthesis, IUPAC, Tokyo, 1982

With P. R. Olivato, R. M. Fabbrini & R. Cahen. Novo método de obtenção de tiolactonas alfa-substituídas. Ciência e Cultura 29: 405, 1977

With L. Marzorati. Sulphenylation of sulphoxides. A new one-step syntheses of ethylthiomethyl sulphoxides . Anais da Academia Brasileira de Ciências 51(2):245-247, 1979.

With A. Giora. Alpha-Ethoxy, 4-nitrophenylacetic acid and a new mixed acetal of 4-nitrobenzaldehyde . Journal of the Chemical Society-Perkin Transactions 1, 5747-5747, 1968.

With H. Viertler. Absorção no ultravioleta de alguns novos alquiltioacetatos . Ciência e Cultura,  21: 197-197, 1969

With P. R. Olivato. Novas reações com ortotioformiato de etila. Ciência e Cultura, 1968. 20:135, 1968

With H. Viertler. Novo método de obtenção de tiobutirolactonas . In: XVI Congresso de Química da Associação Brasileira de Química, Campinas, S.P., 1967

With H. Viertler. Novas tioalactonas estáveis . In: Associação Brasileira de Química. VIII Reunião da Divisão de Química Orgânica e Bioquímica, Guanabara, R.J., 1966

With M. L. Mello. Uma nova cisão alcalina da ligação carbono-enxofre em ésteres de alguns ácidos alquiltiodifenilacéticos . In: Associação Brasileira de Química. VIII Reunião da Divisão de Química Orgânica e Bioquímica, Guanabara – R.J., 1966.

With H. Viertler. A novel anodic oxidation. Chemistry And Industry, 39-39, 1965

With A. Giora. 2,4-Dinitrofenil-alfa-bromomalonato de etila e uma nova síntese do ácido 2,4-dinitrofenilacético. Anais da Associação Brasileira de Química, 17-21, 1963

With H. Viertler. 2,3-Dinitrofenil, alfa-bromomalonato de etila e uma nova síntese do ácido 2,4-dinitrofenilacético . Anais da Associação Brasileira de Química 22:17, 1963

A novel interchange anodic reaction . Chemistry And Industry, 1868-1868, 1962.

With H. Hauptman. Síntese de alguns novos tiobenzoatos e tioacetatos de alquila de cadeia comprida . Ciência e Cultura  5: 137-137, 1953.