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| | (R)-(+)-2,2'-Diamino-1,1'-binaphthalene Basic information | | Synthesis |
| Product Name: | (R)-(+)-2,2'-Diamino-1,1'-binaphthalene | | Synonyms: | (R)-(+)-1,1''-BINAPHTHALENE-2,2''-DIAMINE (R-BINAM) ((R)-(+) -2,2''-DIAMINO-1''1-BINAPHTHYL);(R)-(+)-1,1μ-Binaphthalene-2,2μ-diamine, (R)-(+)-2,2μ-Diamino-1,1μ-binaphthalene, (R)-(+)-DABN;(R)-(+)-1,1μ-Bi(2-naphthylamine), (R)-(+)-1,1μ-Binaphthalene-2,2μ-diamine, (R)-(+)-2,2μ-Diamino-1,1μ-binaphthalene, (R)-(+)-DABN;(aR)-1,1'-Binaphthalene-2,2'-diamine;(aR)-2,2'-Diamino-1,1'-binaphthalene;(R)-BINAM;[aR,(+)]-1,1'-Binaphthalene-2,2'-diamine;(R)-(+)-1,1'-BINAPHTHYL-2,2'-DIAMINE, 99 % (99% EE/GLC) | | CAS: | 18741-85-0 | | MF: | C20H16N2 | | MW: | 284.35 | | EINECS: | 628-471-3 | | Product Categories: | BINAM Series;Achiral Nitrogen | | Mol File: | 18741-85-0.mol |  |
| | (R)-(+)-2,2'-Diamino-1,1'-binaphthalene Chemical Properties |
| Melting point | 242-244 °C(lit.) | | alpha | 156 º (c=1, pyridine) | | Boiling point | 416.85°C (rough estimate) | | density | 1.0447 (rough estimate) | | refractive index | 1.6450 (estimate) | | storage temp. | Keep in dark place,Sealed in dry,Room Temperature | | solubility | Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly) | | pka | 3.79±0.10(Predicted) | | form | Powder | | color | slightly beige | | optical activity | [α]20/D +157°, c = 1 in pyridine | | Water Solubility | slightly soluble | | BRN | 5279621 | | CAS DataBase Reference | 18741-85-0(CAS DataBase Reference) |
| | (R)-(+)-2,2'-Diamino-1,1'-binaphthalene Usage And Synthesis |
| Synthesis | (R)-(+)-2,2'-Diamino-1,1'-binaphthalene can be 1a , 2b, potassium carbonate, potassium iodide, dimethyl sulfoxide as a reaction solvent, then react with adding potassium hydroxide, and finally extract with ethyl acetate And get.
 | | Physical properties | (R)-(+)-2,2'-Diamino-1,1'-binaphthalene is a off-white to brown powder. | | Uses | (R)-(+)-1,1'-Bi(2-naphthylamine) derivatives have been used for asymmetric hydrogenations, cyclopropanations and formation of chiral lactones. It can be used for the synthesis of sterically hindered binaphthalene-based monophosphane ligands. | | General Description | (R)-(+)-1,1′-Binaphthyl-2,2′-diamine is an axially dissymmetric binaphthyl ligand mainly used in enantioselective catalysis. |
| | (R)-(+)-2,2'-Diamino-1,1'-binaphthalene Preparation Products And Raw materials |
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