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677183

(S)-(–)-α,α-Diphenyl-2-pyrrolidinemethanol trimethylsilyl ether

Name: (<I>S</I>)-(–)-α,α-Diphenyl-2-pyrrolidinemethanol trimethylsilyl ether
Brand: ALDRICH

95%

Synonym(s):

(2S)-2-[Diphenyl[(trimethylsilyl)oxy]methyl]pyrrolidine, (S)-α,α-Diphenylprolinol trimethylsilyl ether, (S)-2-[Diphenyl(trimethylsilanyloxy)methyl]pyrrolidine

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About This Item

Empirical Formula (Hill Notation):

C₂₀H₂₇NOSi

CAS Number:

848821-58-9

Molecular Weight:

325.52

NACRES:

NA.22

PubChem Substance ID:

24885354

UNSPSC Code:

12352005

MDL number:

MFCD08690083

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Properties

Quality Level

100

assay

95%

optical activity

[α]22/D -50°, c = 1 in chloroform

refractive index

n20/D 1.5513

density

1.0459 g/mL at 25 °C

functional group

phenyl

storage temp.

2-8°C

SMILES string

C[Si](C)(C)OC([C@@H]1CCCN1)(c2ccccc2)c3ccccc3

InChI

1S/C20H27NOSi/c1-23(2,3)22-20(19-15-10-16-21-19,17-11-6-4-7-12-17)18-13-8-5-9-14-18/h4-9,11-14,19,21H,10,15-16H2,1-3H3/t19-/m0/s1

InChI key

RSUHWMSTWSSNOW-IBGZPJMESA-N

Description

Application

Organocatalyst for 3-component reactions, and Robinson annulation of α,β-unsaturated aldehydes.

pictograms

GHS07

signalword

Warning

hcodes

H315,H319,H335

pcodes

P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Control of four stereocentres in a triple cascade organocatalytic reaction.

Dieter Enders et al.

Nature, 441(7095), 861-863 (2006-06-17)

Efficient and elegant syntheses of complex organic molecules with multiple stereogenic centres continue to be important in both academic and industrial laboratories. In particular, catalytic asymmetric multi-component 'domino' reactions, used during total syntheses of natural products and synthetic building blocks

Organocatalytic asymmetric robinson annulation of alpha,beta-unsaturated aldehydes: applications to the total synthesis of (+)-palitantin.

Bor-Cherng Hong et al.

The Journal of organic chemistry, 72(22), 8459-8471 (2007-10-09)

The highly enantioselective organocatalytic Robinson annulation of alpha,beta-unsaturated aldehydes was achieved, catalyzed by l-proline and trialkylamines and providing the formal [4 + 2] cycloaddition adducts. Additionally, in some examples in the catalysis with diarylpyrrolinol silyl ethers, the reactions afforded the

Chemical and Engineering News, June (2006)

Global Trade Item Number

SKU	GTIN
677183-1G	04061832748344
677183-5G	04061832748351