cas 72748-99-3, (R)-(+)-1-AMINO-2-(METHOXYMETHYL)PYRROLIDINE | Articles data ｜lookchem

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72748-99-3

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(S)-(-)-1-amino-2-methoxymethylpyrrolidine (SAMP) and (R)-(+)-1-amino-2-methoxymethylpyrrolidine (RAMP), versatile chiral auxiliaries
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Enders, Dieter,Fey, Peter,Kipphardt, Helmut
p. 173 - 173
(2017/05/20)

ASYMMETRIC MICHAEL ADDITIONS VIA SAMP-/RAMP-HYDRAZONES ANTI-DIASTEREO- AND ENANTIOSELECTIVE SYNTHESIS OF 3,4-DISUBSTITUTED 5-OXO-ALKANOATES
An efficient and highly anti-diastereo-(de=90-100percent) and enantioselective (ee=92-100percent) synthesis of 3,4-disubstituted 5-oxo-alkanoates 3 in good overall chemical yields is described.The procedure involves the asymmetric Michael addition of aldehydes or ketones to enoates via their lithiated SAMP-/RAMP-hydrazones.Both enantiomers are accessible at will.
Enders, Dieter,Papadopoulos, Kyriakos,Rendenbach, Beatrice E.M.,Appel, Rolf,Knoch, Falk
p. 3491 - 3494
(2007/10/02)

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Chemical Properties

Appearance/Colour :Colorless to light yellow liquid
Boiling Point: 183.7 °C at 760 mmHg
Flash Point:64.9 °C
Density: 0.991 g/cm³
Storage Temp.:2-8°C
Vapor Pressure: 0.761mmHg at 25°C
Refractive Index: n20/D 1.465(lit.)
PKA: 7.93±0.40(Predicted)
PSA: 38.49000
LogP: 0.60910

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