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Sigma-Aldrich

(S)-4-Isopropylthiazolidine-2-thione

≥98.0%

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About This Item

Empirical Formula (Hill Notation):
C6H11NS2
CAS Number:
Molecular Weight:
161.29
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.22

Assay

≥98.0%

form

solid

optical activity

[α]20/D -37±3°, c = 1 in chloroform

optical purity

ee: ≥99:1 (LC)

mp

69-71 °C

SMILES string

CC(C)[C@H]1CSC(=S)N1

InChI

1S/C6H11NS2/c1-4(2)5-3-9-6(8)7-5/h4-5H,3H2,1-2H3,(H,7,8)/t5-/m1/s1

InChI key

CWIZUGZKLJDJLE-RXMQYKEDSA-N

Application

(S)-4-Isopropylthiazolidine-2-thione may be used as a chiral auxiliary for the stereochemical induction at the phosphorus atom during the diastereoselective synthesis of aryloxy phosphoramidate prodrugs of 3′-deoxy-2′,3′-didehydrothymidine monophosphate (d4TMP).
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

11 - 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

Certificates of Analysis (COA)

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Diastereoselective synthesis of aryloxy phosphoramidate prodrugs of 3'-deoxy-2', 3'-didehydrothymidine monophosphate.
Roman CA, et al.
Journal of Medicinal Chemistry, 53(21), 7675-7681 (2010)
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
Velazquez. F.; Olivo, H. F.
Current Organic Chemistry, 6, 303-303 (2002)

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