Chrostowska, Anna et al. published their research in ChemPhysChem in 2012 | CAS: 58644-54-5

N-Cyclopropylformamide (cas: 58644-54-5) belongs to amides. Amides are pervasive in nature and technology. Proteins and important plastics like Nylons, Aramid, Twaron, and Kevlar are polymers whose units are connected by amide groups (polyamides); these linkages are easily formed, confer structural rigidity, and resist hydrolysis. Amides can be recrystallised from large quantities of water, ethanol, ethanol/ether, aqueous ethanol, chloroform/toluene, chloroform or acetic acid. The likely impurities are the parent acids or the alkyl esters from which they have been made. The former can be removed by thorough washing with aqueous ammonia followed by recrystallisation, whereas elimination of the latter is by trituration or recrystallisation from an organic solvent.Synthetic Route of C4H7NO

Are Unsaturated Isocyanides so Different from the Corresponding Nitriles? was written by Chrostowska, Anna;Matrane, Abdellatif;Maki, Daisuke;Khayar, Said;Ushiki, Hideharu;Graciaa, Alain;Belachemi, Larbi;Guillemin, Jean-Claude. And the article was included in ChemPhysChem in 2012.Synthetic Route of C4H7NO This article mentions the following:

Simple unsaturated and cyclopropylic isocyanides are synthesized by an efficient and simple approach. These compounds with gradually increasing distance between the unsaturated moiety and the isonitrile group are studied by UPS and quantum chem. calculations, and also compared to the corresponding nitriles. The first photoelectron band of the unsaturated compounds is linked to removal of an electron from the HOMO, which corresponds to CC multiple-bond ionization in antibonding interaction with the π-isocyanide bond (in the same plane) for conjugated systems, or in antibonding interaction with the pseudo-π-CH2 group for isolated systems. For the 1-ethenyl derivatives, both cyano and isocyano groups act as a π-electron acceptor from the vinyl group, but the isocyano π system is much more strongly destabilized (ionization energies (IEs) shift to smaller values) by vinyl (3.12 eV) than the cyano π system is (2.70 eV). In comparison with the 1-ethynyl derivatives, a less pronounced destabilization (2.69 eV) of πNC by the ethynyl system (1.86 eV for πCN), and nearly the same order of magnitude of the energetic gap between the total antibonding (πCC-πNC) and the total bonding (πCC+πNC) IEs for ethenyl and ethynyl compounds are noted. The huge values of these last-named data for H2C-CH-NC (3.85 eV) and for HCC-NC (4.04 eV) reflect the strong interaction between the unsaturated carbon-carbon moiety and the isocyanide group, and thus more efficient conjugation than for the corresponding nitriles. In the experiment, the researchers used many compounds, for example, N-Cyclopropylformamide (cas: 58644-54-5Synthetic Route of C4H7NO).

N-Cyclopropylformamide (cas: 58644-54-5) belongs to amides. Amides are pervasive in nature and technology. Proteins and important plastics like Nylons, Aramid, Twaron, and Kevlar are polymers whose units are connected by amide groups (polyamides); these linkages are easily formed, confer structural rigidity, and resist hydrolysis. Amides can be recrystallised from large quantities of water, ethanol, ethanol/ether, aqueous ethanol, chloroform/toluene, chloroform or acetic acid. The likely impurities are the parent acids or the alkyl esters from which they have been made. The former can be removed by thorough washing with aqueous ammonia followed by recrystallisation, whereas elimination of the latter is by trituration or recrystallisation from an organic solvent.Synthetic Route of C4H7NO

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics