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157279

Sigma-Aldrich

Ethyl 2-formyl-1-cyclopropanecarboxylate, predominantly trans

96%

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About This Item

Linear Formula:
HCOC3H4CO2C2H5
CAS Number:
20417-61-2
Molecular Weight:
142.15
EC Number:
243-805-4
MDL number:
MFCD00001285
UNSPSC Code:
12352100
PubChem Substance ID:
24849667
NACRES:
NA.22

Assay

96%

form

liquid

refractive index

n20/D 1.452 (lit.)

bp

60-65 °C/0.6 mmHg (lit.)

density

1.074 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CCOC(=O)C1CC1C=O

InChI

1S/C7H10O3/c1-2-10-7(9)6-3-5(6)4-8/h4-6H,2-3H2,1H3

InChI key

MDWXTLNIZCHBJE-UHFFFAOYSA-N

General description

Ethyl 2-formyl-1-cyclopropanecarboxylate was formed by acid catalyzed reaction between acrolein and ethyl diazoacetate.

Application

Ethyl 2-formyl-1-cyclopropanecarboxylate was used in the preparation of ethyl trans-2-(4-(methylphenyl)sulfonyl-4,5-dihydrooxazol-5-yl)cyclopropanecarboxylate.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

183.2 °F - closed cup

Flash Point(C)

84 °C - closed cup

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

157279-BULK:
157279-10G:
157279-VAR:
157279-5G:

Certificates of Analysis (COA)

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I J De Esch et al.
Journal of medicinal chemistry, 42(7), 1115-1122 (1999-04-10)
Various approaches to the synthesis of all four stereoisomers of 2-(1H-imidazol-4-yl)cyclopropylamine (cyclopropylhistamine) are described. The rapid and convenient synthesis and resolution of trans-cyclopropylhistamine is reported. The absolute configuration of its enantiomers was determined by single-crystal X-ray crystallographic analysis. The distinct
Acid catalyzed reactions of a, ?-unsaturated aldehydes and ethyl diazoacetate.
Branstetter B and Hossain MM.
Tetrahedron Letters, 47(2), 221-223 (2006)

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