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43156

Sigma-Aldrich

(2S,4S)-(−)-4-Diphenylphosphino-2-(diphenylphosphinomethyl)pyrrolidine

≥98.0% (CHN)

Synonym(s):

PPM

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About This Item

Empirical Formula (Hill Notation):
C29H29NP2
CAS Number:
61478-29-3
Molecular Weight:
453.49
Beilstein/REAXYS Number:
500619
MDL number:
MFCD00010275
UNSPSC Code:
12352005
PubChem Substance ID:
57650162

assay

≥98.0% (CHN)

optical activity

[α]20/D −15.5±1°, c = 1% in benzene

mp

102-104 °C (lit.)
102-104 °C

SMILES string

C1N[C@@H](C[C@@H]1P(c2ccccc2)c3ccccc3)CP(c4ccccc4)c5ccccc5

InChI

1S/C29H29NP2/c1-5-13-25(14-6-1)31(26-15-7-2-8-16-26)23-24-21-29(22-30-24)32(27-17-9-3-10-18-27)28-19-11-4-12-20-28/h1-20,24,29-30H,21-23H2/t24-,29-/m0/s1

InChI key

PQHKXSOICTYGQD-OUTSHDOLSA-N

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Other Notes

Chiral diphosphine for asymmetric hydrogenations; starting material for the synthesis of various N-substituted diphosphines[1][2][3]

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
10480/1
010480/1
47915/1
047915/1
44325/1

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Elderly patients with sinus node dysfunction (SND) are at increased risk of falls with possible injuries. However, the incidence of these adverse events and its reduction after permanent pacemaker (PPM) implantation are not known. Eighty-seven patients (mean [SD] age 75.4
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