Hydrogen peroxide
See also: Hydrogenperoxide urea adduct, Sodium perborate, Sodium percarbonate
Name Reactions

Follow-up reaction of Brown Hydroboration
Recent Literature

A clean and safe method for the dihydroxylation of alkenes under
organic-solvent- and metal-free conditions was developed. The
resin-supported sulfonic acid is easily recycled.
Y. Usui, K. Sato, M. Tanaka, Angew. Chem. Int. Ed., 2003, 42,
5623-5625.

Convenient methods for the preparation of stable and non-volatile mono- and dichloroborane
adducts of dioxane from dioxane-BCl3 and NaBH4 in the
presence of catalytic amounts of tri- or tetraglyme were developed. The
dioxane-monochloroborane adduct hydroborates representative olefins cleanly and
rapidly and lead to the corresponding alcohols in quantitative yields after
oxidation.
J. V. B. Kanth, H. C. Brown, J. Org. Chem, 2001, 66,
5359-5365.

A rhodium-catalyzed enantioselective syn addition of bis(catecholato)diboron
to simple alkenes in the presence of (S)-Quinap provides
enantioenriched 1,2-diols after subsequent oxidation. The substrate scope,
the reaction mechanism, and competing pathways are discussed.
S. Trudeau, J. M. Morgan, M. Shrestha, J. P. Morken, J. Org. Chem.,
2005,
70, 9538-9544.

A direct, mild ketohydroxylation of various 1-aryl-1-alkenes with H2O2,
catalyzed by the inexpensive 12-tungstophosphoric acid/cetylpyridinium
chloride system, gave acyloins in good yields and high regioselectivies.
Y. Zhang, Z. Shen, J. Tang, Y. Zhang, L. Kong, Y. Zhang, Org. Biomol. Chem., 2006,
4, 1478-1482.

An efficient epoxidation of a broad range of olefins using hydrogen peroxide as the oxidant has been accomplished
in the presence of acetic acid and a manganese catalyst that exhibits an uncommon chemoselectivity.
I. Garcia-Bosch, X. Ribas, M. Costas, Adv. Synth. Catal., 2008,
351, 348-352.

A chiral bisaryl-silyl-protected pyrrolidine acts as a very selective
epoxidation organocatalyst using simple oxidation agents. The scope of the
reaction is demonstrated by the formation of optically active α,β-epoxy
aldehydes in high yields and enantioselectivities. The asymmetric
epoxidation reactions proceed also under environmental friendly reaction
conditions in, for example, water mixtures of alcohols.
M. Marigo, J. Franzen, T. B. Poulsen, W. Zhuang, K. A. Jorgensen, J. Am. Chem. Soc.,
2005,
127, 6284-6289.

An effective epoxidation of lipophilic alkenes using hydrogen peroxide was
accomplished with a manganese sulfate/bicarbonate catalytic system in an ionic
liquid at room temperature.
K.-H. Tong, K.-Y. Wong, T. H. Chan, Org. Lett., 2003,
5, 3423-3425.

An epoxidation of alkenes using hydrogen peroxide as the terminal
oxidant is promoted by catalytic amounts (1.0-0.1 mol %) of manganese(2+) salts,
and must be performed using at least catalytic amounts of bicarbonate buffer.
Various aryl-substituted, cyclic,
and trialkyl-substituted alkenes were epoxidized under these conditions using 10
equiv of hydrogen peroxide, but monoalkyl-alkenes were not. Additives such as
sodium acetate and salicylic acid enhanced
the rate of the desired epoxidation reaction by 2-3 times. Possible mechanisms for the reaction are discussed.
B. S. Lane, M. Vogt, V. J. DeRosa, K. Burgess, J. Am. Chem. Soc., 2002,
124, 11946-11954.

Aryl benzyl selenoxides are efficient catalysts for the epoxidation of various
olefinic substrates and the Baeyer-Villiger oxidation of aldehydes and ketones
with hydrogen peroxide.
M. A. Goodman, M. R. Detty, Synlett,
2006, 1100-1104.

Chiral primary amine salts catalyze highly enantioselective epoxidations of
cyclic enones with hydrogen peroxide.
X. Wang, C. M. Reisinger, B. List, J. Am. Chem. Soc., 2008,
130, 6070-6071.

M. A. Goodman, M. R. Detty, Synlett,
2006, 1100-1104.

Aldehydes undergo oxidative transformation to the methyl esters in methanol
as solvent upon treatment with catalytic amounts of vanadium pentoxide in
combination with hydrogen peroxide. This method features mild reaction conditions,
short reaction times, high efficiencies, cost-effectiveness, and facile
isolation of the desired products.
R. Gopinath, B. Patel, Org. Lett., 2000,
2, 577-579.

A convenient and efficient oxidation of hydroxylated and methoxylated
benzaldehydes and acetophenones to the corresponding phenols uses hydrogen
peroxide and methyltrioxorhenium as catalyst in ionic liquids [bmim]BF4
and [bmim]PF6.
R. Bernini, A. Coratti, G. Provenzano, G. Fabrizi, D. Tofani, Tetrahedron, 2005,
61, 1821-1825.

Ketones reacted with hydrogen peroxide in the presence of iodine to yield gem-dihydroperoxides
in acetonitrile and hydroperoxyketals in methanol in good yields. Aromatic
aldehydes were also converted to gem-dihydroperoxides in acetonitrile and
to hydroperoxyacetals in methanol.
K. Žmitek, M. Zupan, S. Stavber, J. Iskra, J. Org. Chem., 2007,
72, 6534-6540.

Nitroso arenes are prepared in good yield from anilines by oxidation with H2O2
catalysed with MoO3/KOH, ammonium molybdate or other molybdenum salts.
Further oxidation to nitro arenes is also described.
A. Defoin, Synthesis, 2004,
706-710.

A versatile procedure oxidizes sulfanes to sulfoxides without any overoxidation
to sulfones using a combination of hydrogen peroxide and triflic acid. This
method tolerates oxidatively sensitive functional groups.
M. M. Khodaei, K. Bahrami, A. Karimi, Synthesis, 2008,
1682-1684.

Various aromatic and aliphatic sulfides are selectively oxidized to
sulfoxides and sulfones in good to excellent yields using 30% H2O2
in the presence of a recyclable silica-based tungstate interphase catalyst
at room temperature.
B. Karimi, M. Ghoreishi-Nezhad, J. H. Clark, Org. Lett., 2005,
7, 625-628.

Sc(OTf)3 is an efficient catalyst for the hydrogen peroxide mediated
monooxidation of alkyl-aryl sulfides and methyl cysteine containing peptides.
The method is high yielding, compatible with many widely used protecting groups,
suitable for solid-phase applications and proceeds with minimum over-oxidation.
M. Matteucci, G. Bhalay, M. Bradley, Org. Lett., 2003,
5, 235-237.

An air and moisture tolerant complex of Ti(IV) with a C3-symmetric
triphenolate amine ligand efficiently catalyzes sulfoxidation reactions at room
temperature without previous activation using aqueous hydrogen peroxide as
oxidant.
M. Mba, L. J. Prins, G. Licini, Org. Lett., 2007,
9, 21-24.

The combination of very high ee values with high yield, the consequence of
an efficient initial asymmetric oxidation followed by an efficient kinetic
resolution, makes the reported system very practical for the asymmetric
oxidation of simple akyl aryl sulfides.
C. Drago, L. Caggiano, R. F. W. Jackson, Angew. Chem. Int. Ed., 2005,
44, 7221-7223.

A chiral Fe(salan) complex serves as an efficient catalyst for asymmetric
oxidation of sulfides using hydrogen peroxide in water without surfactant. Not
only alkyl aryl sulfides but also various methyl alkyl sulfides were oxidized to
the corresponding sulfoxides with high enantioselectivities.
H. Egami, T. Katsuki, J. Am. Chem. Soc., 2007,
129, 8940-8941.

The asymmetric oxidation of sulfides to chiral sulfoxides with hydrogen
peroxide in good yield and high enantioselectivity has been catalyzed very
effectively by a chiral vanadium-salan complex. The efficient kinetic
resolution of racemic sulfoxides catalyzed by the vanadium-salan system is
also described.
J. Sun, C. Zhu, Z. Dai, M. Xang, Y. Pan, H. Hu, J. Org. Chem.,
2004, 69, 8500-8503.

Thiols were effectively oxidized into disulfides by reacting with hydrogen
peroxide in the presence of a catalytic amount of iodide ion or iodine.
M. Kirihara, Y. Asai, S. Ogawa, T. Noguchi, A. Hatano, Y. Hirai, Synthesis, 2007,
3286-3289.

The synthesis of a planar-chiral bisflavin catalyst (1) and its use
in asymmetric Bayer-Villiger-Oxidations is described.
S. Murahashi, S. Ono, Y. Imada, Angew. Chem. Int. Ed., 2002, 41,
2366-2368.

α-Acetoxylation of ketones catalyzed by iodobenzene using^acetic anhydride and
30% aqueous hydrogen peroxide as the oxidant is an effective and economical
method for the preparation of α-acetoxy ketones in good yields.
J. Sheng, Y. Li, M. Tang, B. Gao, G. Huang, Synthesis, 2007,
1165-1168.

1-Arylethanones and related compounds are rapidly brominated in dioxane with
the H2O2-HBr aq system, resulting in the replacement
of two hydrogen atoms in the methyl group with bromine. The reaction is also
accompanied by bromination of the aromatic ring provided that the latter
contains electron-donating substituents.
A. O. Terent'ev, S. V. Khodykin, I. B. Krylov, Y. N. Ogibin, G. I. Nikishin,
Synthesis, 2006, 1087-1092.

Active methylene compounds can be chemoselectively brominated in high yields
using potassium bromide, hydrochloric acid, and hydrogen peroxide at room
temperature.
M. Kirihara, S. Ogawa, T. Noguchi, K. Okubo, Y. Monma, I. Shimizu, R. Shimosaki,
A. Hatano, Y. Hirai, Synlett, 2006,
2287-2289.

Pd-catalyzed enantioselective diborations of prochiral allenes followed by
allylation reactions with primary imines provide vinyl boronates which may
be oxidized to give nonracemic Mannich products. Alternatively,
enantiomerically enriched homoallylic amine derivatives may be obtained by
protonation and Suzuki cross-coupling of the vinyl boronate.
J. D. Sieber, J. P. Morken, J. Am. Chem. Soc.,
2006,
128, 74-75.

A simple, mild and efficient procedure cleaves a wide range of ketoximes and
aldoximes to the corresponding carbonyl compounds in an aqueous medium using
catalytic amounts of potassium bromide and ammonium heptamolybdate tetrahydrate
in combination with hydrogen peroxide.
N. C. Ganguly, S. K. Barik, Synthesis, 2008,
425-428.

A selective and efficient oxidative iodination of electron rich arenes was
carried out with one equivalent of KI and two equivalents of 30% hydrogen
peroxide in MeOH in the presence of strong acid.
J. Iskra, S. Stavber, M. Zupan, Synthesis,
2004,
1869-1873.

A simple and efficient procedure for the synthesis of substituted benzimidazoles
through a one-pot condensation of o-phenylenediamines with aryl aldehydes
in the presence of H2O2 and HCl in acetonitrile at room
temperature features short reaction time, easy and quick isolation of the
products, and excellent yields.
K. Bahrami, M. M. Khodaei, I. Kavianinia, Synthesis, 2007,
417-427.

