Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Ramon S. Vasconcelos"'
Publikováno v:
Química Nova, Vol 35, Iss 8, Pp 1593-1599 (2012)
Solutions of [hydroxy(tosyloxy)iodo]benzene (HTIB or Koser's reagent) in acetonitrile were analyzed using high resolution electrospray ionization mass spectrometry (ESI-MS) and electrospray ionization tandem mass spectrometry (ESI-MS/MS) under differ
Externí odkaz:
https://doaj.org/article/090f58b5f80f45009e0dd826d477b373
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Tetrahydrofuran derivatives can be obtained by cyclofunctionalization of homoallylic alcohols bearing a terminal double bound by using [hydroxy(tosyloxy)iodo]benzene (HTIB, Koser's reagent) in the presence of a catalytic amount of I(2) (20 mol %) in
Publikováno v:
Química Nova v.35 n.8 2012
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Vol 35, Iss 8, Pp 1593-1599 (2012)
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Vol 35, Iss 8, Pp 1593-1599 (2012)
Solutions of [hydroxy(tosyloxy)iodo]benzene (HTIB or Koser's reagent) in acetonitrile were analyzed using high resolution electrospray ionization mass spectrometry (ESI-MS) and electrospray ionization tandem mass spectrometry (ESI-MS/MS) under differ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::97f778ed9a212c90568fac4f8d295fdb
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422012000800019
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422012000800019
Publikováno v:
ChemInform. 42
Tetrahydrofuran derivatives can be obtained by cyclofunctionalization of homoallylic alcohols bearing a terminal double bound by using [hydroxy(tosyloxy)iodo]benzene (HTIB, Koser’s reagent) in the ...
Autor:
Ramon S. Vasconcelos
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USP
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Esta tese de doutorado está dividida em três partes. Na primeira parte é tratada a expansão de anéis de 1-alquenil-cicloalcanóis promovida por hidróxi(tosilóxi)iodobenzeno (HTIB), com ênfase na síntese de anéis de sete membros. A metodolog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cdd66b475b4bd7d711a8efab0019d3dc
Publikováno v:
ChemInform. 39
A versatile and metal-free approach for the synthesis of molecules bearing seven- and eight-membered rings is described. The strategy is based on the ring expansion of 1-vinylcycloalkanols (or the corresponding silyl or methyl ether) mediated by the
Publikováno v:
e-EROS Encyclopedia of Reagents for Organic Synthesis
[21797-13-7] C8H12B2F8N4Pd (MW 444.28) InChI = 1S/4C2H3N.2BF4.Pd/c4*1-2-3;2*2-1(3,4)5;/h4*1H3;;;/q;;;;2*-1;+2 InChIKey = YWMRPVUMBTVUEX-UHFFFAOYSA-N (catalyst for isomerization and rearrangement of alkenes1 and strained carbocycles,1, 2 polymerizatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15a6577d87116e2cdbf000ddc6809894
https://doi.org/10.1002/047084289x.rt041.pub2
https://doi.org/10.1002/047084289x.rt041.pub2
Publikováno v:
Organic letters. 10(5)
A versatile and metal-free approach for the synthesis of molecules bearing seven- and eight-membered rings is described. The strategy is based on the ring expansion of 1-vinylcycloalkanols (or the corresponding silyl or methyl ether) mediated by the
Disproportionation reactions take place in solution of (diacetoxyiodo)benzene (DIB) in acetonitrile in the presence of water, giving iodine(V) and iodine(l) species. This redox reaction is accelerated by the presence of water and by increasing the te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7fdad7253678e46dde727f4aeeda880a
https://aperta.ulakbim.gov.tr/record/39299
https://aperta.ulakbim.gov.tr/record/39299
Publikováno v:
e-EROS Encyclopedia of Reagents for Organic Synthesis
[22722-98-1] C6H16AlNaO4 (MW 202.19) InChI = 1S/2C3H7O2.Al.Na.2H/c2*1-5-3-2-4;;;;/h2*2-3H2,1H3;;;;/q2*-1;2*+1;; InChIKey = XJIQVZMZXHEYOY-UHFFFAOYSA-N (reducing agent for many functional groups;1 methylation reagent for aryl-activated compounds;19 ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5347f7423aa29f6709f18a6b6ef3a98
https://doi.org/10.1002/9780470842898.rs049.pub2
https://doi.org/10.1002/9780470842898.rs049.pub2