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1-Phenylethylamine

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(Redirected from Methylbenzylamine)
1-Phenylethylamine
Chemical structure of 1-Phenylethylamine
Chemical structure of 1-Phenylethylamine
Names
Preferred IUPAC name 1-Phenylethan-1-amine
Other names
  • (±)-1-Phenylethylamine
  • (±)-α-Methylbenzylamine
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.009.588 Edit this at Wikidata
KEGG
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C8H11N/c1-7(9)8-5-3-2-4-6-8/h2-7H,9H2,1H3Key: RQEUFEKYXDPUSK-UHFFFAOYSA-N
  • (R/S): InChI=1S/C8H11N/c1-7(9)8-5-3-2-4-6-8/h2-7H,9H2,1H3Key: RQEUFEKYXDPUSK-UHFFFAOYSA-N
  • (R)-(+): InChI=1S/C8H11N/c1-7(9)8-5-3-2-4-6-8/h2-7H,9H2,1H3/t7-/m1/s1Key: RQEUFEKYXDPUSK-SSDOTTSWSA-N
  • (S)-(−): InChI=1S/C8H11N/c1-7(9)8-5-3-2-4-6-8/h2-7H,9H2,1H3/t7-/m0/s1Key: RQEUFEKYXDPUSK-ZETCQYMHSA-N
SMILES
  • (R/S): CC(C1=CC=CC=C1)N
  • (R)-(+): C(C1=CC=CC=C1)N
  • (S)-(−): C(C1=CC=CC=C1)N
Properties
Chemical formula C8H11N
Molar mass 121.183 g·mol
Density 0.94 g/mL
Melting point -65 C
Boiling point 187 °C (369 °F; 460 K)
Hazards
Occupational safety and health (OHS/OSH):
Main hazards Corrosive
Related compounds
Related stereoisomers (R)-(+)- (CAS )
(S)-(−)- (CAS )
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkverify (what is  ?) Infobox references
Chemical compound

1-Phenylethylamine is the organic compound with the formula C6H5CH(NH2)CH3. This primary amine is a colorless liquid is often used in chiral resolutions. Like benzylamine, it is relatively basic and forms stable ammonium salts and imines.

Preparation and optical resolution

1-Phenylethylamine may be prepared by the reductive amination of acetophenone:

C6H5C(O)CH3 + NH3 + H2 → C6H5CH(NH2)CH3 + H2O

The Leuckart reaction, using ammonium formate, is another method for this transformation.

L-malic acid is used to resolve 1-Phenylethylamine, a versatile resolving agent in its own right. The dextrorotatory enantiomer crystallizes with the malate, leaving the levorotatory form in solution.

See also

References

  1. John C. Robinson, Jr. and H. R. Snyder (1943). "α-Phenylethylamine". Organic Syntheses. 23: 68. doi:10.15227/orgsyn.023.0068.
  2. Mann, F. G.; Saunders, B. C. (1960). Practical Organic Chemistry, 4th Ed. London: Longman. pp. 223–224. ISBN 9780582444072.
  3. A. W. Ingersoll (1937). "d- and l-α-Phenylethylamine". Organic Syntheses. 17: 80. doi:10.15227/orgsyn.017.0080.
Phenethylamines
Phenethylamines
Amphetamines
Phentermines
Cathinones
Phenylisobutylamines
Phenylalkylpyrrolidines
Catecholamines
(and close relatives)
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