193801

4,4′-Di-tert-butylbiphenyl

99%

• Sinonimo/i: 1-tert-Butyl-4-(4-tert-butylphenyl)benzene, 4,4′-Bis(1,1-dimethylethyl)-1,1′-biphenyl, 4,4′-Di-tert-butyl-1,1′-biphenyl, DBB, p,p′-Di-tert-butylbiphenyl
• Formula condensata: (CH₃)₃CC₆H₄C₆H₄C(CH₃)₃
• Numero CAS: 1625-91-8
• Peso molecolare: 266.42
• Beilstein: 2095855
• Numero CE: 216-615-4
• Numero MDL: MFCD00008834
• Codice UNSPSC: 12352100
• ID PubChem: 24851615
• NACRES: NA.22

Proprietà

• Saggio: 99%
• Forma fisica: solid
• P. eboll.: 190-192 °C/13 mmHg (lit.)
• Punto di fusione: 126-130 °C (lit.)
• Stringa SMILE: CC(C)(C)c1ccc(cc1)-c2ccc(cc2)C(C)(C)C
• InChI: 1S/C20H26/c1-19(2,3)17-11-7-15(8-12-17)16-9-13-18(14-10-16)20(4,5)6/h7-14H,1-6H3; CDKCEZNPAYWORX-UHFFFAOYSA-N

Descrizione

Descrizione generale

4,4′-Di-tert-butylbiphenyl along with lithium catalyzes:

• reaction of chloromethyl ethyl ether and different carbonyl compounds to yield corresponding hydroxyethers
• reductive opening of N-phenylazetidine

Applicazioni

4,4′-Di-tert-butylbiphenyl was used in production of homoallylic amine derivatives. It was also used in the preparation of lithium di-tert-butylbiphenylide, a radical anion, superior to sodium or lithium naphthalenides for metalation reactions.

Informazioni sulla sicurezza

• Codice della classe di stoccaggio: 11 - Combustible Solids
• Classe di pericolosità dell'acqua (WGK): WGK 3
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable
• Dispositivi di protezione individuale: Eyeshields, Gloves, type N95 (US)