Propane, nitro-

Base Information

• Chemical Name: Propane, nitro-
• CAS No.: 25322-01-4
• Molecular Formula: C3H7 N O2
• Molecular Weight: 89.09
• Hs Code.: 2904209090
• Mol file: 25322-01-4.mol

Synonyms:Nitropropane

Chemical Property of Propane, nitro-

Chemical Property:

• Vapor Pressure: 11.2mmHg at 25°C
• Boiling Point: 131.7°C at 760 mmHg
• Flash Point: 42.3°C
• PSA: 66.76000
• Density: 0.98g/cm³
• LogP: 3.00250
• Water Solubility.: 1.40 g/100 mL

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s): R10:; R20/21/22:
• Hazard Codes: Xn:Harmful
• Statements: R10:; R20/21/22:
• Safety Statements: S9:

MSDS Files:

SDS file from LookChem

Useful:

Refernces

Highly Diastereo- and Enantioselective Michael Addition of Nitroalkanes to 2-Enoyl-Pyridine N-Oxides Catalyzed by Scandium(III)/Copper(II) Complexes

10.1002/chem.201502129

The research focuses on the development of a novel C2-symmetric Schiff-base ligand derived from tridentate-Schiff-base, which is applied to the asymmetric Michael addition of nitroalkanes to 2-enoyl-pyridine N-oxides. This ligand, when combined with scandium(III) or copper(II) complexes, catalyzes the reaction with unprecedented levels of diastereoselectivity and enantioselectivity. The study explores the reaction using various nitroalkanes and 2-enoyl-pyridine N-oxides, achieving high yields and stereoselectivities. The researchers also demonstrate the synthetic utility of this method by converting the optically active adduct to a biologically active dihydro-2H-pyrrol 4a, an analogue of nicotine. Analyses include the determination of yields, enantiomeric excess (ee) by HPLC on a chiral stationary phase, and diastereomeric ratios (d.r.) by 1H NMR spectroscopy. The research also investigates the reaction mechanism, revealing a negative nonlinear effect in the catalysis by scandium, and proposes a transition-state model based on spectroscopic experiments and product configuration analysis.

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