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905259

Rh2(S-PTAD)4

powder or crystals

Synonym(s):

Tetrakis[(S)-(+)-(1-adamantyl)-(N-phthalimido)acetato]dirhodium(II)

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About This Item

Empirical Formula (Hill Notation):
C80H80N4O16Rh2
CAS Number:
909389-99-7
Molecular Weight:
1559.32
MDL number:
MFCD09839140
UNSPSC Code:
12161600
NACRES:
NA.22
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Product Name

Rh2(S-PTAD)4,

form

powder or crystals

mp

>300 °C

SMILES string

[Rh]([Rh](OC(=O)[C@@H](N%19C(=O)c%20c(cccc%20)C%19=O)C%17%16C[C@@H]%18C[C@@H](C[C@@H](C%18)C%17)C%16)OC(=O)[C@@H](N%14C(=O)c%15c(cccc%15)C%14=O)C%12%11C[C@@H]%13C[C@@H](C[C@@H](C%13)C%12)C%11)(OC(=O)[C@@H](N9C(=O)c%10c(cccc%10)C9=O)C76C[C@@H]8C[C@@H](C[C@

InChI

1S/4C20H21NO4.2Rh/c4*22-17-14-3-1-2-4-15(14)18(23)21(17)16(19(24)25)20-8-11-5-12(9-20)7-13(6-11)10-20;;/h4*1-4,11-13,16H,5-10H2,(H,24,25);;/q;;;;2*+2/p-4/t4*11-,12+,13-,16-,20?;;/m1111../s1

InChI key

SGEDWOHAUXKUGM-PAPHCAFZSA-J

Application

This chiral Rh(II) dimer was developed in the Davies lab to perform asymmetric carbene and nitrene reactions (C-H insertion, cyclopropanation, aziridination, C-H amination) with high regio- and stereocontrol.

Other Notes

Dirhodium Tetracarboxylate Derived from Adamantylglycine as a Chiral Catalyst for Carbenoid Reactions

Dirhodium Tetracarboxylates Derived from Adamantylglycine as Chiral Catalysts for Enantioselective C-H Aminations

Enantioselective Synthesis of Trifluoromethyl-?Substituted Cyclopropanes

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCJ6920

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Yan Su et al.
Organic letters, 18(17), 4356-4359 (2016-08-17)
Optically active cis-cyclopropane carboxylates are prepared via the Rh2(S-PTAD)4-catalyzed cyclopropanation of α-silyl styrenes with aryl diazoacetates followed by desilylation of the resulting silyl cyclopropane carboxylates. The conjugation of the aryl ring with C═C bond and π stacking are proposed for
Kuangbiao Liao et al.
Nature, 533(7602), 230-234 (2016-05-14)
The laboratory synthesis of complex organic molecules relies heavily on the introduction and manipulation of functional groups, such as carbon-oxygen or carbon-halogen bonds; carbon-hydrogen bonds are far less reactive and harder to functionalize selectively. The idea of C-H functionalization, in
Zhanjie Li et al.
Journal of the American Chemical Society, 132(1), 396-401 (2009-12-10)
The rhodium-catalyzed reaction of racemic allyl alcohols with methyl phenyldiazoacetate or methyl styryldiazoacetate results in a two-step process, an initial oxonium ylide formation followed by a [2,3]-sigmatropic rearrangement. This process competes favorably with the more conventional O-H insertion chemistry as
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