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Key Documents

00762

Sigma-Aldrich

(R)-4-Phenyloxazolidine-2-thione

≥98.0%

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About This Item

Empirical Formula (Hill Notation):
C9H9NOS
CAS Number:
Molecular Weight:
179.24
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥98.0%

optical activity

[α]/D -75±5°, c = 0.2 in chloroform

optical purity

enantiomeric ratio: 97.0:3.0 (LC)

SMILES string

S=C1N[C@@H](CO1)c2ccccc2

InChI

1S/C9H9NOS/c12-9-10-8(6-11-9)7-4-2-1-3-5-7/h1-5,8H,6H2,(H,10,12)/t8-/m0/s1

InChI key

LVIJIGQKFDZTNC-QMMMGPOBSA-N

Application

A highly selective and efficient chiral auxiliary which can be directly reduced to its corresponding aldehyde and the chiral auxiliary by reductive cleavage with diisobutylaluminum hydride.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Velazquez. F.; Olivo, H. F.
Current Organic Chemistry, 6, 303-303 (2002)
M T Crimmins et al.
Organic letters, 2(6), 775-777 (2001-02-07)
[formula: see text] Asymmetric aldol additions using chlorotitanium enolates of thiazolidinethione propionates proceed with high diastereoselectivity for the "Evans" or "non-Evans" syn product depending on the nature and amount of the base used. With (-)-sparteine as the base, selectivities of

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