(S)-(-)-2,2'-Diamino-1,1'-binaphthalene synthesis
- Product Name:(S)-(-)-2,2'-Diamino-1,1'-binaphthalene
- CAS Number:18531-95-8
- Molecular formula:C20H16N2
- Molecular Weight:284.35
602-09-5
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18531-95-8
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Yield:18531-95-8 90%
Reaction Conditions:
with ammonia;sodium hydrogencarbonate in water at 150;Large scale;Bucherer Carbazole Synthesis;
Steps:
1.1 (1) Synthesis of 1,1'-binaphthyl-2,2'-diamine
Add 1,1'-bin-2-naphthol (5.73kg,20mol),ammonia (3.5kg, 100mol),sodium bisulfite (10.4kg, 100mol) and 25L water,reaction at 150,After the reaction,5.12 kg of 1,1'-binaphthyl-2,2'-diamine was obtained by recrystallization, with a yield of 90%.
References:
CN111606946,2020,A Location in patent:Paragraph 0027-0029
91-59-8
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18531-95-8
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20191-75-7
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135-19-3
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18531-95-8
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582-08-1
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18531-95-8
158 suppliers
$18.00/250mg