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3459-92-5 - Dibenzyl carbonate, 98% - Benzyl carbonate - Carbonic acid dibenzyl ester - A11464 - Alfa Aesar

A11464 Dibenzyl carbonate, 98%

Número CAS
3459-92-5
Nombre Alternativo
Benzyl carbonate
Carbonic acid dibenzyl ester

Tamaño Precio ($) Cantidad Disponibilidad
10g 78,07
50g 301,79
250g 860,80
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Dibenzyl carbonate, 98%

MDL
MFCD00014436
EINECS
222-401-1

Propiedades químicas

Fórmula
C15H14O3
Peso molecular
242.27
Punto de fusión
27-30°
Punto de ebullición
150-155°/0.8mm
Punto de inflamabilidad
>110°(230°F)
Índice de refracción
1.5485
Sensibilidad
Air Sensitive
Solubilidad
Sparingly Soluble (0.099 g/L) (25°C).

Aplicaciones

Ionic liquids can effectively accelerate slow N-benzylation reactions utilizing dibenzyl carbonate as an alkylating reagent. Dibenzyl carbonate (DBzlC) has been used to benzylate phenylacetonitrile, benzyl phenylacetate and phenol. Selective N, N-dibenzylation of primary aliphatic amines was carried with dibenzyl carbonate in the presence of phosphonium salts.

Notas

Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from strong oxidizing agents, heat.

Referencias documentales

Wen-Chung Shieh,; Mario Lozanov,; Oljan Repič. Accelerated benzylation reaction utilizing dibenzyl carbonate as an alkylating reagent. Tetrahedron Letters. 2003, 44 (36), 6943-6945.

Alessandro Loris,; Alvise Perosa,; Maurizio Selva,; Pietro Tundo. Selective N,N-Dibenzylation of Primary Aliphatic Amines with Dibenzyl Carbonate in the Presence of Phosphonium Salts. J. Org. Chem. 2004, 69 (11) , 3953-3956.

Benzylating agent, e.g. in preparation of benzyl ethers of thiols with K2CO3/ 18-crown-6: Synthesis, 382 (1986). Benzylation of phenols and monobenzylation of active methylene compounds have been accomplished using K2CO3 in DMF: J. Chem. Soc., Perkin 1, 1889 (1995). For N-, O- and S-benzylations in the presence of DBU or DABCO, see: Tetrahedron Lett., 44, 4563 (2003).

Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H302-H312

Harmful if swallowed. Harmful in contact with skin.

Indicaciones de precaución: P280-P264-P270-P301+P312-P312-P363-P322-P302+P352-P330-P501a

Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. Do not eat, drink or smoke when using this product. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Wash contaminated clothing before reuse. Specific measures (see label). IF ON SKIN: Wash with plenty of soap and water. Rinse mouth. Dispose of contents/container in accordance with local/regional/national/international regulations.

Otras referencias

Beilstein
1882864
Código de tarifa arancelaria unificado
2920.90
TSCA
Yes

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