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357340

Sigma-Aldrich

Rhodium

foil, thickness 0.025 mm, 99.9% trace metals basis

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About This Item

Empirical Formula (Hill Notation):
Rh
CAS Number:
7440-16-6
Molecular Weight:
102.91
EC Number:
231-125-0
MDL number:
MFCD00011201
UNSPSC Code:
12352300
PubChem Substance ID:
24861906
NACRES:
NA.23

Assay

99.9% trace metals basis

form

foil

resistivity

4.33 μΩ-cm, 20°C

thickness

0.025 mm

bp

3727 °C (lit.)

mp

1966 °C (lit.)

density

12.41 g/cm3 (lit.)

SMILES string

[Rh]

InChI

1S/Rh

InChI key

MHOVAHRLVXNVSD-UHFFFAOYSA-N

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Quantity

190 mg = 25 × 25 mm

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
13304MY
05018TI

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Xian-Ying Shi et al.
Organic letters, 15(7), 1476-1479 (2013-03-09)
A novel rhodium(III)-catalyzed direct functionalization of the ortho-C-H bond of aromatic ketone derivatives and an intramolecular cyclization sequence produced indene derivatives in moderate to good yields. This cascade cyclization involves a conjugate addition of α,β-unsaturated ketone and subsequent aldol condensation.
Juliane Keilitz et al.
Organic letters, 15(5), 1148-1151 (2013-02-21)
A new enantioselective rhodium-catalyzed domino reaction is described that gives access to fused heterocycles by desymmetrization of alkyne-tethered cyclohexadienones. Two new C-C bonds and two stereocenters are formed in one step with good enantioselectivity. In contrast to prior reports, it
P Andrew Evans et al.
Organic letters, 15(8), 1798-1801 (2013-04-02)
A concise and highly convergent three-step total synthesis of the lactarane natural product, pyrovellerolactone, is described. The key step involves a regio- and diastereoselective rhodium-catalyzed [(3 + 2) + 2] carbocyclization of an alkenylidenecyclopropane with a 4-hydroxybut-2-ynoate followed by an
Brendan T Parr et al.
Journal of the American Chemical Society, 135(12), 4716-4718 (2013-03-13)
The synthesis of highly functionalized pyrroles has been achieved by reaction of rhodium-stabilized imino-carbenes with furans. The reaction features an initial [3+2] annulation to form bicyclic hemiaminals, followed by ring opening to generate trisubstituted pyrroles.
Stepan Chuprakov et al.
Journal of the American Chemical Society, 135(12), 4652-4655 (2013-03-13)
Readily available 1-mesyl-1,2,3-triazoles are efficiently converted into a variety of imidazolones and thiazoles by Rh(II)-catalyzed denitrogenative reactions with isocyanates and isothiocyanates, respectively. The proposed triazole-diazoimine equilibrium results in the formation of highly reactive azavinyl metal-carbenes, which react with heterocumulenes causing
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