(R)-(+)-ALPHA-HYDROXY-GAMMA-BUTYROLACTONE

CAS No.：56881-90-4

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(R)-(+)-ALPHA-HYDROXY-GAMMA-BUTYROLACTONE Basic information

Product Name:	(R)-(+)-ALPHA-HYDROXY-GAMMA-BUTYROLACTONE
Synonyms:	2(3H)-FURANONE, DIHYDRO-3-HYDROXY-, (R);(R)-(+)-α-Hydroxy-γ-butyrolactone;(r)-4,5-dihydro-3-hydroxy-2(3h)-furanone;(R)-(+)-ALPHA-HYDROXY-GAMMA-BUTYROLACTONE 98+%;RARECHEM AK HZ 0027;(R)-(+)-DIHYDRO-3-HYDROXY-2(3H)-FURANONE;(R)-2-HYDROXYBUTYROLACTONE;(R)-2-HYDROXY-GAMMA-BUTYROLACTONE
CAS:	56881-90-4
MF:	C4H6O3
MW:	102.09
EINECS:
Product Categories:	Chiral Building Blocks;Simple Alcohols (Chiral);Small molecule;Synthetic Organic Chemistry
Mol File:	56881-90-4.mol

(R)-(+)-ALPHA-HYDROXY-GAMMA-BUTYROLACTONE Chemical Properties

Boiling point	133 °C/10 mmHg (lit.)
alpha	+66°(23℃, c=1.15, CHCl3)
density	1.309 g/mL at 25 °C (lit.)
refractive index	n20/D 1.467(lit.)
Fp	>230 °F
storage temp.	2-8°C
form	clear liquid
pka	13.07±0.20(Predicted)
Specific Gravity	1.32
color	Colorless to Light yellow
optical activity	[α]23/D +66°, c = 1.15 in chloroform
BRN	80588
CAS DataBase Reference	56881-90-4(CAS DataBase Reference)

Safety Information

WGK Germany	3
HS Code	2932209090

MSDS Information

Provider	Language
SigmaAldrich	English

(R)-(+)-ALPHA-HYDROXY-GAMMA-BUTYROLACTONE Usage And Synthesis

Uses

(R)-(+)-α-Hydroxy-γ-butyrolactone can be used as a starting material to synthesize:

δ-Azaproline by reacting with benzyloxycarbonyl aminophthalimide via Mitsunobu reactions.
Homochiral (R)-2,4-dihydroxybutyramide seco-pseudonucleoside reagents.
Botryolide B via esterification and ring-closing metathesis reaction.
Pregnane derivatives containing γ-butyrolactones as potential glucocorticoid agonists.

(R)-(+)-ALPHA-HYDROXY-GAMMA-BUTYROLACTONE Preparation Products And Raw materials

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