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905291

Sigma-Aldrich

Rh2(R-BTPCP)4

Sinónimos:

Davies dirhodium catalyst, Dirhodium tetrakis((S,R)-1-(4-bromophenyl)-2,2-diphenylcyclopropanecarboxylate), Dirhodium tetrakis[(R)-1-(4-bromophenyl)-2,2- diphenylcyclopropane carboxylate], Tetrakis[(R)-(-)-[(1R)-1-(4-bromophenyl)-2,2-diphenylcyclopropanecarboxylato]dirhodium(II), Tetrakis[(R)-1-(4-bromophenyl)-2,2- diphenylcyclopropane carboxylato]dirhodium(II)

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About This Item

Fórmula empírica (notación de Hill):
C88H64Br4O8Rh2
Número de CAS:
1345974-62-0
Peso molecular:
1774.87
UNSPSC Code:
12161600
NACRES:
NA.22

form

powder or crystals

mp

>300 °C

related product

Referencia del producto
Descripción
Precios

905313

Rh2(S-TCPTAD)4

905321

Rh2(R-TCPTAD)4

905348

Rh2(R-p-Ph-TPCP)4

905259

Rh2(S-PTAD)4

905356

Rh2(R-PTAD)4

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Daniel Rackl et al.
Organic letters, 19(12), 3055-3058 (2017-06-06)
A tandem reaction system has been developed for the preparation of donor/acceptor-substituted diazo compounds in continuous flow coupled to dirhodium-catalyzed C-H functionalization or cyclopropanation. Hydrazones were oxidized in flow by solid-supported N-iodo-p-toluenesulfonamide potassium salt (PS-SO2NIK) to generate the diazo compounds
Changming Qin et al.
Journal of the American Chemical Society, 133(47), 19198-19204 (2011-11-04)
Dirhodium tetrakis-(R)-(1-(4-bromophenyl)-2,2-diphenylcyclopropanecarboxylate) (Rh(2)(R-BTPCP)(4)) was found to be an effective chiral catalyst for enantioselective reactions of aryl- and styryldiazoacetates. Highly enantioselective cyclopropanations, tandem cyclopropanation/Cope rearrangements and a combined C-H functionalization/Cope rearrangement were achieved using Rh(2)(R-BTPCP)(4) as catalyst. The advantages of Rh(2)(R-BTPCP)(4)
Ji-Min Yang et al.
Journal of the American Chemical Society, 139(10), 3784-3789 (2017-02-15)
Herein, we report transition-metal-catalyzed B-H bond insertion reactions between borane adducts and alkynes to afford organoboron compounds in excellent yields under mild reaction conditions. This successful use of alkynes as carbene precursors in these reactions constitutes a new route to
Changming Qin et al.
Organic letters, 15(2), 310-313 (2013-01-05)
The rhodium-catalyzed reaction of 2-diazo-5-arylpent-4-enoates can be controlled by the appropriate choice of catalyst and catalyst loading to form either 2-arylbicyclo[1.1.0]butane carboxylates or cyclohexene derivatives. Both products are produced in a highly diastereoselective manner, with 2-arylbicyclo[1.1.0]butane carboxylates preferentially formed under
Kuangbiao Liao et al.
Nature, 551(7682), 609-613 (2017-11-21)
The synthesis of complex organic compounds usually relies on controlling the reactions of the functional groups. In recent years, it has become possible to carry out reactions directly on the C-H bonds, previously considered to be unreactive. One of the
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