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193693-60-6

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Synthesis of N-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-Protected (Fmoc) β-Amino Acids (= Homo-α-Amino Acids) by Direct Homologation
The successful application of the Arndt-Eistert protocol starting from commercially available N-{[(9H-fluoren-9-yl)methoxy]carbonyl}-protected (Fmoc) α-amino acids leading to enantiomerically pure N-Fmoc-Protected β-amino acids in only two steps and with high yield is reported.
Ellmerer-Mueller, Ernst P.,Broessner, Dagmar,Maslouh, Najib,Tako, Andreas
p. 59 - 65
(1998)
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Convenient and simple synthesis of N-{[(9H-fluoren-9- yl)methoxy]carbonyl}-(Fmoc) protected β-amino acids (=homo-α-amino acids) employing Fmoc-α-amino acids and dicyclohexylcarbodiimide(DCC) mixtures
A simple approach for the homologation of α-amino acids to β-amino acids by the Arndt-Eistert method employing Fmoc-α-amino acid and N, N1- dicyclohexylcarbodiimide (DCC) mixture for the acylation of diazomethane, synthesizing the key intermediates Fmoc-α-amino acyldiazomethanes as crystalline solids is described.
Ananda,Suresh Babu
p. 418 - 423
(2007/10/03)

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Chemical Properties

Melting Point: 175-177 °C
Boiling Point: 562.1 °C at 760 mmHg
Flash Point:293.7 °C
Density: 1.282 g/cm³
Storage Temp.:2-8°C
Vapor Pressure: 1.8E-13mmHg at 25°C
Refractive Index: 1.615
PKA: 4.56±0.10(Predicted)
BRN: 7798553
PSA: 66.84000
LogP: 3.81250

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