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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;[aR,(+)]-1,1'-Binaphthalene-2,2'-diamine;(R)-(+)-1,1'-BINAPHTHYL-2,2'-DIAMINE, 99 % (99% EE/GLC);(R)-(+)-2,2'-Diamino-1,1'-binaphthyl,99% | | 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) | | form | Powder | | pka | 3.79±0.10(Predicted) | | color | slightly beige | | Optical Rotation | [α]20/D +157°, c = 1 in pyridine | | Water Solubility | slightly soluble | | BRN | 5279621 | | InChI | 1S/C20H16N2/c21-17-11-9-13-5-1-3-7-15(13)19(17)20-16-8-4-2-6-14(16)10-12-18(20)22/h1-12H,21-22H2 | | InChIKey | DDAPSNKEOHDLKB-UHFFFAOYSA-N | | SMILES | Nc1ccc2ccccc2c1-c3c(N)ccc4ccccc34 | | CAS DataBase Reference | 18741-85-0(CAS DataBase Reference) |
| Hazard Codes | Xn,Xi | | Risk Statements | 36/37/38 | | Safety Statements | 26-39-37/39-36 | | WGK Germany | 3 | | RTECS | DU3090000 | | F | 10 | | HS Code | 29215900 | | Storage Class | 11 - Combustible Solids | | Hazard Classifications | Eye Irrit. 2
Skin Irrit. 2
STOT SE 3 |
| | (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. | | References | [1] Patent: CN107814729, 2018, A. Location in patent: Paragraph 0170-0173; 0254-0257
[2] Organic and Biomolecular Chemistry, 2016, vol. 14, # 38, p. 9021 - 9032 |
| | (R)-(+)-2,2'-Diamino-1,1'-binaphthalene Preparation Products And Raw materials |
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