Authors:
Silveira, CC
Perin, G
Jacob, RG
Braga, AL
Citation: Cc. Silveira et al., Synthesis of vinylic chalcogenides (S, Se, Te) by Wittig and the Horner-Wittig reactions, PHOSPHOR SU, 171, 2001, pp. 309-354
Authors:
Silveira, CC
Boeck, P
Begnini, ML
Braga, AL
Citation: Cc. Silveira et al., A convenient synthesis of phenyl 1-chloro-1 alkenyl chalcogenides by one-pot Wittig reaction. Synthesis of selenolesters, PHOSPHOR SU, 171, 2001, pp. 427-433
Authors:
Zeni, G
Menezes, PH
Moro, AV
Braga, AL
Silveira, CC
Stefani, WA
Citation: G. Zeni et al., Stereoselective synthesis of (Z)-enynes via Pd(II)/CuI(I)-catalyzed cross-coupling reaction of bis-vinylic tellurides with 1-alkynes, SYNLETT, (9), 2001, pp. 1473-1475
Authors:
Braga, AL
Emmerich, DJ
Silveira, CC
Martins, TLC
Rodrigues, OED
Citation: Al. Braga et al., First coupling reaction of terminal alkynes with sulfur and selenium substituted vinylic tosylates catalyzed by Pd(II), SYNLETT, (3), 2001, pp. 369-370
Authors:
Braga, AL
Emmerich, DJ
Silveira, CC
Martins, TLC
Rodrigues, OED
Citation: Al. Braga et al., Stereoselective synthesis of (Z)-alpha-organothiovinyltosylates and their application in the synthesis of highly functionalized vinylic sulfides, SYNLETT, (3), 2001, pp. 371-373
Authors:
Silveira, CC
Bernardi, CR
Braga, AL
Kaufman, TS
Citation: Cc. Silveira et al., Elaboration of 1-benzoyltetrahydroisoquinoline derivatives employing a Pictet-Spengler cyclization with alpha-chloro-alpha-phenylthioketones. Synthesis of O-methylvelucryptine, TETRAHEDR L, 42(51), 2001, pp. 8947-8950
Authors:
Braga, AL
de Andrade, LH
Silveira, CC
Moro, AV
Zeni, G
Citation: Al. Braga et al., Stereospecific formation of enynephosphonates via palladium-catalyzed cross-coupling reaction of beta-organotelluro vinylphosphonates with alkynes, TETRAHEDR L, 42(49), 2001, pp. 8563-8565
Authors:
Silveira, CC
Perin, G
Braga, AL
Dabdoub, MJ
Jacob, RG
Citation: Cc. Silveira et al., Phenyltelluroacrylonitriles and phenylselenoacrylonitriles as precursors of (Z)-alpha-phenylseleno-alpha,beta-unsaturated aldehydes, beta-amino-alpha-phenylselenonitriles and Diels-Alder adducts, TETRAHEDRON, 57(28), 2001, pp. 5953-5959
Authors:
Silveira, CC
Nunes, MRS
Wendling, E
Braga, AL
Citation: Cc. Silveira et al., Synthesis of alpha-phenylseleno-alpha,beta-unsaturated esters by Wittig-type reactions. Studies on the Diels-Alder reaction, J ORGMET CH, 623(1-2), 2001, pp. 131-136
Authors:
Lang, ES
Burrow, RA
Braga, AL
Dornelles, L
Citation: Es. Lang et al., Crystal structure of (2E)-3-bromo-2-[bromo(chloro)phenyl-lambda(4)-tellanyl]-2-propen-1-ol, BrCH=C(TeBrClPh)(CH2OH), Z KRIST-NEW, 215(3), 2000, pp. 459-460
Authors:
Braga, AL
Alves, EF
Silveira, CC
de Andrade, LH
Citation: Al. Braga et al., Stereoselective addition of sodium organyl chalcogenolates to alkynylphosphonates: synthesis of diethyl 2-(organyl)-2-(organochalcogenyl)vinylphosphonates, TETRAHEDR L, 41(2), 2000, pp. 161-163
Citation: Cc. Silveira et al., A convenient synthesis of 4-phenylchalcogeno allenic esters from alpha-(phenylchalcogeno)acid chlorides, TETRAHEDR L, 41(12), 2000, pp. 1867-1869
Authors:
Braga, AL
Rodrigues, OED
Emmerich, DJ
Silveira, CC
Horner, M
Vazquez-Lopez, EM
Citation: Al. Braga et al., Synthesis and crystal structure of (Z)-1-(phenylsulphenyl)-2-phenylethenylp-toluenesulfonate, J CHEM CRYS, 29(6), 1999, pp. 677-680
Authors:
Braga, AL
Appelt, HR
Schneider, PH
Silveira, CC
Wessjohann, LA
Citation: Al. Braga et al., A new functionalized, chiral disulfide derived from L-cysteine: (R,R)-bis[(3-benzyloxazolan-4-yl)-methane] disulfide as a catalyst in the diethylzincaddition to aldehydes, TETRAHEDR-A, 10(9), 1999, pp. 1733-1738
Citation: Cc. Silveira et al., Synthesis of thiol, selenol, and tellurol esters by the reaction of organochalcogeno mercurials with acid chlorides, ORGANOMETAL, 18(24), 1999, pp. 5183-5186
Authors:
Silveira, CC
Bernardi, CR
Braga, AL
Kaufman, TS
Citation: Cc. Silveira et al., Pictet-Spengler condensation of N-sulfonyl-beta-phenethylamines with alpha-chloro-alpha-phenylselenoesters. New synthesis of 1,2,3,4-tetrahydroisoquinoline-1-carboxylates, TETRAHEDR L, 40(27), 1999, pp. 4969-4972