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Merck
CN

237817

D-(−)-Pantolactone

99%

Synonym(s):

(R)-(−)-α-Hydroxy-β,β-dimethyl-γ-butyrolactone, (R)-(−)-β,β-Dimethyl-α-hydroxy-γ-butyrolactone, (R)-(−)-Pantolactone, Pantoic acid γ-lactone

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About This Item

Empirical Formula (Hill Notation):
C6H10O3
CAS Number:
599-04-2
Molecular Weight:
130.14
UNSPSC Code:
12352005
NACRES:
NA.22
PubChem Substance ID:
24854272
EC Number:
209-963-3
Beilstein/REAXYS Number:
80957
MDL number:
MFCD00005392
Assay:
99%
Form:
solid

Key Documents

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InChI key

SERHXTVXHNVDKA-BYPYZUCNSA-N

InChI

1S/C6H10O3/c1-6(2)3-9-5(8)4(6)7/h4,7H,3H2,1-2H3/t4-/m0/s1

SMILES string

CC1(C)COC(=O)[C@@H]1O

assay

99%

form

solid

optical activity

[α]25/D −49.8°, c = 2 in H2O

bp

120-122 °C/15 mmHg (lit.)

mp

91 °C (lit.)

functional group

ester, hydroxyl

Quality Level

200

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Application

D-(-)-Pantolactone is a chiral auxiliary used in many asymmetric synthesis reactions.
It can be used as a chiral starting material to synthesize:
  • An insect sex pheromone named 1S,2S,3R-1-acetoxymethyl-2,3,4,4-tetrameth-ylcyclopentane.
  • (-)-Enantiomer of (R)-8-hydroxy-4,7,7-trimethyl-7,8-dihydrocyclopenta[e]isoindole-1,3(2H,6H)-dione, a norsesquiterpene alkaloid.
  • A bicyclic diterpene named isofregenedadiol.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H319

Hazard Classifications

Eye Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
WXBF4655V
WXBF4052V
WXBF2365V
WXBF0861V
WXBF0679V

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Total synthesis of an anticancer norsesquiterpene alkaloid isolated from the fungus Flammulina velutipes
Kashinath K, et al.
Organic & Biomolecular Chemistry, 12(24), 4098-4103 (2014)
Asymmetric diels alder reactions and michael type additions with 6 (R)-3′(R)-Pantolactone-substituted-2H-pyran-3 (6H)-one.
Knol J, et al.
Tetrahedron Letters, 32(50), 7465-7468 (1991)
Total synthesis of isofregenedadiol
Kurhade SE, et al.
Organic Letters, 13(14), 3690-3693 (2011)
Enantiospecific synthesis of sex pheromone of the obscure mealybug from pantolactone via tandem conjugate addition/cyclization
Hajare AK, et al.
Tetrahedron Letters, 51(40), 5291-5293 (2010)
Diastereoface-discriminative metal coordination in asymmetric synthesis: d-pantolactone as practical chiral auxiliary for Lewis acid catalyzed Diels-Alder reactions
Poll T, et al.
Tetrahedron Letters, 26(26), 3095-3098 (1985)
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