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1

ChemInform Abstract: Improved Procedure for the Hydrotelluration of Alkynes.

Gilson Zeni, Henrique B. Formiga, Joao V. Comasseto

Journal:

Year:

2000

File:

PDF, 27 KB

2000

2

ChemInform Abstract: Hydrotelluration of Alkynes — A Unique Route to (Z)-Vinyl Organometallics.

Mauricio L. Vieira, Fabiano K. Zinn, Joao V. Comasseto

Journal:

Year:

2002

File:

PDF, 26 KB

2002

3

One-pot synthesis of aryl butyl tellurides from tellurium tetrachloride and activated aromatics through a solventless step

Rodrigo L.O.R. Cunha, Álvaro T. Omori, Priscila Castelani, Fabiano T. Toledo, João V. Comasseto

Journal:

Journal of Organometallic Chemistry

Year:

2004

Language:

english

File:

PDF, 282 KB

english, 2004

4

Pyrolysis of α-acyl,α,-thio phosphoranes → thioacetylenes

Antonio L. Braga, João V. Comasseto, Nicola Petragnani

Journal:

Tetrahedron Letters

Year:

1984

Language:

english

File:

PDF, 172 KB

english, 1984

5

Improved procedure for the hydrotelluration of alkynes

Gilson Zeni, Henrique B. Formiga, João V. Comasseto

Journal:

Tetrahedron Letters

Year:

2000

Language:

english

File:

PDF, 79 KB

english, 2000

6

Edible catalysts for clean chemical reactions: Bioreduction of aromatic ketones and biooxidation of secondary alcohols using plants

Leandro H. Andrade, Roberto S. Utsunomiya, Alvaro T. Omori, André L. M. Porto, João V. Comasseto

Journal:

Journal of Molecular Catalysis B: Enzymatic

Year:

2006

Language:

english

File:

PDF, 140 KB

english, 2006

7

Reduction of Organotellurium Trichlorides with Sodium Borohydride

Chieffi, André, Menezes, Paulo H., Comasseto, João V.

Journal:

Organometallics

Year:

1997

Language:

english

File:

PDF, 184 KB

english, 1997

8

Stability of the Tellurium−Carbon Bond in Vinylic Tellurides toward Commonly Used Reagents in Organic Synthesis

Rahmeier, Luís H. S., Comasseto, João V.

Journal:

Organometallics

Year:

1997

Language:

english

File:

PDF, 223 KB

english, 1997

9

Hydrotelluration of acetylenes: synthesis of vinylic tellurides, divinyl tellurides, and 1-(organyltelluro)-1,3-butadienes

Barros, Simone M., Dabdoub, Miguel J., Dabdoub, Vania M. B., Comasseto, Joao V.

Journal:

Organometallics

Year:

1989

Language:

english

File:

PDF, 605 KB

english, 1989

10

Influence of different protecting groups on the regioselectivity of the hydrotelluration reaction of hydroxy alkynes

Oliveira, Juliana M., Palmeira, Dayvson J., Comasseto, João V., Menezes, Paulo H.

Journal:

Journal of the Brazilian Chemical Society

Year:

2010

Language:

english

File:

PDF, 499 KB

english, 2010

11

ChemInform Abstract: Highly Unsaturated Conjugated Systems from Vinylic Tellurides.

Rafael E. Barrientos-Astigarraga, Denilson N. Moraes, Joao V. Comasseto

Journal:

Year:

1999

File:

PDF, 31 KB

1999

12

ChemInform Abstract: Coupling of Z-Vinylic Tellurides with Alkynes Catalyzed by PdCl2/CuI: Synthesis of Z-Enynes and Z-Enediynes.

Gilson Zeni, Joao V. Comasseto

Journal:

Year:

1999

File:

PDF, 31 KB

1999

13

ChemInform Abstract: Reactions of Selenium-Stabilized Carbanions

Andre Chieffi, Joao V. Comasseto

Journal:

Year:

2000

File:

PDF, 24 KB

2000

14

ChemInform Abstract: Add a Little Tellurium to Your Synthetic Plans!

Joao V. Comasseto, Rafael E. Barrientos-Astigarraga

Journal:

Year:

2001

File:

PDF, 25 KB

2001

15

ChemInform Abstract: Carbon—Carbon Bond Formation by Means of Organotellurium Compounds

Rafael E. Barrientos-Astigarraga, Priscila Castelani, Joao Valdir Comasseto, Henrique B. Formiga, Nathalia C. da Silva, Celso Y. Sumida, Mauricio L. Vieira

Journal:

Year:

2001

File:

PDF, 25 KB

2001

16

ChemInform Abstract: Preparation and Reactivity of Cyanocuprates Containing Alkylseleno and Alkyltelluro Groups as Non-Transferable Ligands.

Fabiano K. Zinn, Eduardo C. Ramos, Joao V. Comasseto

Journal:

Year:

2001

File:

PDF, 35 KB

2001

17

ChemInform Abstract: β-Functionalized Selenides and Tellurides by Hydrochalcogenation of Olefins Containing Electron-Withdrawing Groups.

Fabiano K. Zinn, Vinicius E. Righi, Silas C. Luque, Henrique B. Formiga, Joao V. Comasseto

Journal:

Year:

2002

File:

PDF, 34 KB

2002

18

ChemInform Abstract: A General Method of Synthesis of Functionalized Z-Vinylic Tellurides Starting from β-Dicarbonyl Compounds.

Rafael E. Barrientos-Astigarraga, Priscila Castelani, Celso Y. Sumida, Julio Zukerman-Schpector, Joao V. Comasseto

Journal:

Year:

2002

File:

PDF, 34 KB

2002

19

ChemInform Abstract: Stereocontrolled Synthesis of (-)-Macrolactin A.

Joseph P. Marino, Michael S. McClure, David P. Holub, Joao V. Comasseto, Fabio C. Tucci

Journal:

Year:

2002

File:

PDF, 33 KB

2002

20

Preparation of Chiral Organochalcogeno-α-methylbenzyl Alcohols via Biocatalysis. The Role of Daucus carota Root.

Joao V. Comasseto, Alvaro T. Omori, Andre L. M. Porto, Leandro H. Andrade

Journal:

Year:

2004

File:

PDF, 116 KB

2004

21

Enzymatic Resolution of 5-Phenylselanyltetrahydro-2-furanone. Enantioselective Preparation of (R)- and (S)-γ-Valerolactone.

Giuliano C. Clososki, Carlos E. Costa, Lauri J. Missio, Quezia B. Cass, Joao V. Comasseto

Journal:

Year:

2004

File:

PDF, 150 KB

2004

22

Dilithium Aryl Cyanocuprates from Butyl Aryl Tellurides.

Priscila Castelani, Silas Luque, Joao V. Comasseto

Journal:

Year:

2004

File:

PDF, 99 KB

2004

23

Coupling of Butyl Vinyl Tellurides with Metal Acetylides Catalyzed by Nickel Complexes.

Cristiano Raminelli, Joao Jr. Gargalaka, Claudio C. Silveira, Joao V. Comasseto

Journal:

Year:

2004

File:

PDF, 28 KB

2004

24

Coupling of Vinylic Tellurides with Alkynes Catalyzed by Palladium Dichloride: Evaluation of Synthetic and Mechanistic Details.

Cristiano Raminelli, Martin H. G. Prechtl, Leonardo S. Santos, Marcos N. Eberlin, Joao V. Comasseto

Journal:

Year:

2004

File:

PDF, 14 KB

2004

25

A Short Enantioselective Synthesis of (R)-(+)-γ-Jasmolactone.

Giuliano C. Clososki, Lauri J. Missio, Joao V. Comasseto

Journal:

Year:

2004

File:

PDF, 14 KB

2004

26

Kinetic Resolution of Propargylic and Allylic Alcohols by Candida antarctica Lipase (Novozyme 435).

Cristiano Raminelli, Joao V. Comasseto, Leandro H. Andrade, Andre L. M. Porto

Journal:

Year:

2005

File:

PDF, 23 KB

2005

27

One-Pot Synthesis of Aryl Butyl Tellurides from Tellurium Tetrachloride and Activated Aromatics Through a Solventless Step.

Rodrigo L. O. R. Cunha, Alvaro T. Omori, Priscila Castelani, Fabiano T. Toledo, Joao V. Comasseto

Journal:

Year:

2005

File:

PDF, 22 KB

2005

28

Regio- and Stereoselective Synthesis of Z-Vinylic Tellurides from Propargylic Alcohols: A Route to Chiral Z-Enynes.

Cristiano Raminelli, Nathalia C. da Silva, Alcindo A. Dos Santos, Andre L. M. Porto, Leandro H. Andrade, Joao V. Comasseto

Journal:

Year:

2005

File:

PDF, 27 KB

2005

29

Diastereoselective Synthesis of α,β-Unsaturated Systems.

Priscila Castelani, Joao V. Comasseto

Journal:

Year:

2005

File:

PDF, 33 KB

2005

30

γ-Butyltelluro-2-butanol: A Route to Reactive 1,4-Dianion Intermediates.

Jefferson L. Princival, Simone M. G. de Barros, Joao V. Comasseto, Alcindo A. Dos Santos

Journal:

Year:

2005

File:

PDF, 22 KB

2005

31

Chemoselective Reduction of β-Butyltellanyl α,β-Unsaturated Carbonyl Compounds to Allylic Alcohols.

Alcindo A. Dos Santos, Priscila Castelani, Bruno K. Bassora, Jose C. Jr. Fogo, Carlos E. Costa, Joao V. Comasseto

Journal:

Year:

2006

File:

PDF, 34 KB

2006

32

ChemInform Abstract: Lithium Butylchalcogenolate Induced Michael-Aldol Tandem Sequence: Easy and Rapid Access to Highly Functionalized Organochalcogenides and Unsaturated Compounds.

Artur F. Keppler, Rogerio A. Gariani, Danilo G. Lopes, Joao V. Comasseto

Journal:

Year:

2009

File:

PDF, 28 KB

2009

33

ChemInform Abstract: Biotransformations on Organic Selenides and Tellurides: Synthetic Applications

Joao V. Comasseto, Rogerio A. Gariani

Journal:

Year:

2009

File:

PDF, 15 KB

2009

34

ChemInform Abstract: Functionalized Organozincates and Organocuprates Derived from γ-Hydroxytellurides in the Preparation of 1,4-Hydroxyketones.

Jefferson L. Princival, Alcindo A. Dos Santos, Joao V. Comasseto

Journal:

Year:

2010

File:

PDF, 42 KB

2010

35

ChemInform Abstract: The Soft Nucleophilicity of Organotellurolates Driving the SN2-Type Lactone Ring-Opening Reaction.

Marcio S. Silva, Alcindo A. Dos Santos, Joao V. Comasseto

Journal:

Year:

2010

File:

PDF, 40 KB

2010

36

ChemInform Abstract: A Large-Scale Synthesis of Enantiomerically Pure γ-Hydroxyorganochalcogenides.

Jefferson L. Princival, Morilo S. C. de Oliveira, Alcindo A. Dos Santos, Joao V. Comasseto

Journal:

Year:

2010

File:

PDF, 47 KB

2010

37

ChemInform Abstract: Tellurium in Organic Synthesis: A New Approach to Trisubstituted γ-Butyrolactones with trans—trans Relative Stereochemistry. Total Enantioselective Synthesis of (-)-Blastmycinolactol (VIa), (+)-Blastmycinone (VIIa), (-)-NFX-2 (VIb), and (+)-Antimycinone (VIIb).

Renan S. Ferrarini, Alcindo A. Dos Santos, Joao V. Comasseto

Journal:

Year:

2011

File:

PDF, 38 KB

2011

38

ChemInform Abstract: Reactive Organometallics from Organotellurides: Application in Organic Synthesis

Jefferson L. Princival, Alcindo A. Dos Santos, Joao V. Comasseto

Journal:

Year:

2011

File:

PDF, 18 KB

2011

39

ChemInform Abstract: Synthesis of Substituted α,β-Unsaturated δ-Lactones from Vinyl Tellurides.

Juliana M. Oliveira, Juliano C. R. Freitas, Joao Valdir Comasseto, Paulo Henrique Menezes

Journal:

Year:

2011

File:

PDF, 33 KB

2011

40

ChemInform Abstract: Enzymatic Kinetic Resolution of Organochalcogenides in Supercritial CO2.

Rogerio A. Gariani, Fernando A. G. Luengo, Luiz A. S. Vale, Reinaldo C. Bazito, Joao V. Comasseto

Journal:

Year:

2011

File:

PDF, 32 KB

2011

41

ChemInform Abstract: An Alternative Approach for the Synthesis of Aryl—Alkyl Tellurides: Reaction of Aryl Iodides with Metal Alkyltellurolates Promoted by CuI.

Marcio S. Silva, Joao V. Comasseto

Journal:

Year:

2012

File:

PDF, 31 KB

2012

42

Addition of hydrogen halides to acetylenic selenides. Synthesis of 1-halo-1-selenoalkenes

João V. Comasseto, Paulo H. Menezes, Helio A. Stefani, Gilson Zeni, Antônio L. Braga

Journal:

Year:

1996

Language:

english

File:

PDF, 829 KB

english, 1996

43

Higher order vinyl cyanocuprates from vinylic tellurides

Fábio C. Tucci, André Chieffi, João V. Comasseto

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 291 KB

english, 1992

44

Enzymatic evaluation of different Aspergillus strains by biotransformation of cyclic ketones

Artur F. Keppler, André L.M. Porto, Iracema H. Schoenlein-Crusius, João V. Comasseto, Leandro H. Andrade

Journal:

Enzyme and Microbial Technology

Year:

2005

Language:

english

File:

PDF, 197 KB

english, 2005

45

Biotransformations of aryl alkyl sulfides by whole cells of white-rot Basidiomycetes

Luís C. Ricci, João V. Comasseto, Leandro H. Andrade, Marina Capelari, Quezia B. Cass, André L.M. Porto

Journal:

Enzyme and Microbial Technology

Year:

2005

Language:

english

File:

PDF, 172 KB

english, 2005

46

Tellurium-based cysteine protease inhibitors: evaluation of novel organotellurium(IV) compounds as inhibitors of human cathepsin B

Rodrigo L.O.R. Cunha, Miriam E. Urano, Jair R. Chagas, Paulo C. Almeida, Cláudia Bincoletto, Ivarne L.S. Tersariol, João V. Comasseto

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2005

Language:

english

File:

PDF, 312 KB

english, 2005

47

Biotransformations of Mannich bases and propiophenones by Brazilian microorganisms and enzymatic resolution of phenylpropanols by lipase from Candida antarctica (Novozym 435)

Cristiano Raminelli, Edna Kagohara, Vivian H. Pellizari, João V. Comasseto, Leandro H. Andrade, André L.M. Porto

Journal:

Enzyme and Microbial Technology

Year:

2007

Language:

english

File:

PDF, 367 KB

english, 2007

48

Biotransformations of nitro-aromatic compounds to amines and acetamides by tuberous roots of Arracacia xanthorrhiza and Beta vulgaris and associated microorganism (Candida guilliermondii)

Adriana de O. Pacheco, Edna Kagohara, Leandro H. Andrade, João V. Comasseto, Iracema H.-S. Crusius, Claudete R. Paula, André L.M. Porto

Journal:

Enzyme and Microbial Technology

Year:

2007

Language:

english

File:

PDF, 284 KB

english, 2007

49

Hydrochalcogenation of activated olefines. Synthesis of functionalized dialkylchalcogenides

João V. Comasseto, Rogério A. Gariani, Jefferson L. Princival, Alcindo A. Dos Santos, Fabiano K. Zinn

Journal:

Journal of Organometallic Chemistry

Year:

2008

Language:

english

File:

PDF, 261 KB

english, 2008

50

Mechanistic study of the addition reaction of TeCl4 to alkynes: Participation of TeCl3 centered-radical

Artur F. Keppler, Fernanda M. Prado, Giselle Cerchiaro, Paolo Di Mascio, João V. Comasseto

Journal:

Journal of Organometallic Chemistry

Year:

2008

Language:

english

File:

PDF, 291 KB

english, 2008