Methyl isocyanide

Methyl isocyanide
Methyl isocyanide
Identifiers
CAS number 593-75-9 YesY
PubChem 11646
ChemSpider 11156 YesY
DrugBank DB04337
ChEBI CHEBI:44177 YesY
Jmol-3D images Image 1
Properties
Molecular formula C2H3N
Molar mass 41.05 g mol−1
Appearance colorless liquid
Density 0.786 g/mL liquid
Melting point

−45 °C

Boiling point

59-60 °C

Solubility in water miscible
Solubility organic solvents
Hazards
EU classification Flammable, harmful
R-phrases R11, R20/21/22, R36
S-phrases (S1/2), S16, S36/37
NFPA 704
NFPA 704.svg
3
2
0
Related compounds
Related compounds acetic acid, acetamide, ethylamine, Acetonitrile
 YesY (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Methyl isocyanide or Isocyanomethane is an organic compound and a member of the isocyanide family. This colorless liquid is structurally similar to the isomeric methyl cyanide (acetonitrile), but its reactivity is very different. Methyl isocyanide is mainly used for making 5-membered heterocyclic rings or circlets.

Contents

Preparation

Methyl isocyanide was first prepared Gautier by reaction of silver cyanide with methyl iodide.[1][2] The common method for preparing methyl isocyanides is the dehydration of N-methylformamide.[3]

Uses

Methyl isocyanide is useful for the preparation of various heterocycles. It is also a ligand in organometallic chemistry.[4]

References

  1. ^ A. Gautier (1868). "Ueber eine neue Reihe von Verbindungen, welche mit den Cyanwasserstoffsäure-Aethern isomer sind". Ann. 146: 119–124. doi:10.1002/jlac.18681460107. 
  2. ^ A. Gautier (1869). Ann. Chim. et Phys. 17 (103): 203. 
  3. ^ Schuster, R. E.; Scott, J. E. (1973), "Methyl isocyanide", Org. Synth., http://www.orgsyn.org/orgsyn/orgsyn/prepContent.asp?prep=cv5p0772 
  4. ^ Heiner Eckert, Alfons Nestl, Ivar Ugi, "Methyl isocyanide" in Encyclopedia of Reagents for Organic Synthesis 2001 John Wiley & Sons. doi:10.1002/047084289X.rm198

External links


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