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(S)-2'-Amino-[1,1'-binaphthalen]-2-ol
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(S)-2'-Amino-[1,1'-binaphthalen]-2-ol

CAS: 137848-29-4

Ref. 3D-FA155089

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Estimated delivery in United States, on Wednesday 8 Jan 2025

Product Information

Name:
(S)-2'-Amino-[1,1'-binaphthalen]-2-ol
Synonyms:
  • (-)-2′-Amino-1,1′-binaphthalen-2-ol
  • (1S)-2′-Amino[1,1′-binaphthalen]-2-ol
  • (S)-(-)-Nobin
  • (S)-2-Amino-2'-Hydroxy-1,1'-Binaphthyl
  • (S)-2-Amino-2'-Hydroxy-1,1'-Dinaphthalene
  • [1,1′-Binaphthalen]-2-ol, 2′-amino-, (1S)-
  • [1,1′-Binaphthalen]-2-ol, 2′-amino-, (S)-
Description:

2'-Amino-[1,1'-binaphthalen]-2-ol (BINOL) is a chiral enantiopure amine that is used as a ligand for asymmetric synthesis. BINOL can be prepared through a cross-coupling reaction of an N-trifluoromethanesulfonyloxy acetyl bromide and an α-aminonitrile. The resulting product is then hydrolyzed to the corresponding amine, which can be purified by recrystallization. BINOL is often used as a ligand in asymmetric hydrogenation reactions with acids such as picolinic acid or trifluoroacetic acid. In these reactions, the hydrogen atom has a higher affinity for the protonated form of the ligand than for the neutral form, leading to an increased rate of reaction on one side of the molecule. This process is called kinetic resolution or kinetic asymmetry and gives products that

Notice:
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Brand:
Biosynth
Long term storage:
Notes:

Chemical properties

Molecular weight:
285.34 g/mol
Formula:
C20H15NO
Purity:
Min. 95%
MDL:
Melting point:
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Flash point:
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Concentration:
EINECS:
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Hazard Info

UN Number:
EQ:
Class:
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Forbidden to fly:
Hazard Info:
Packing Group:
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