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  6. Thermo Scientific Chemicals Reactivo de Lawesson, 97 %

Thermo Scientific Chemicals Reactivo de Lawesson, 97 %

Catalog Number 11411898
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Cantidad:
5 g
25 g
100 g
500 g
Este artículo no se puede devolver. Vea la política de devoluciones
19172-47-5
C14H14O2P2S4
404.452
MFCD00005171
CFHGBZLNZZVTAY-UHFFFAOYSA-N
lawesson's reagent, lawesson reagent, 2,4-bis 4-methoxyphenyl-1,3,2,4-dithiadiphosphetane 2,4-disulfide, unii-a4125mq8rx, 1,3,2,4-dithiadiphosphetane, 2,4-bis 4-methoxyphenyl-, 2,4-disulfide, 2,4-bis 4-methoxyphenyl-2,4-dithioxo-1,3,2,4-dithiadiphosphetane, 2,4-bis 4-methoxyphenyl-1,3,2,4-dithiadiphosphetane-2,4-disulfide, 2,4-bis 4-methoxyphenyl-1,3-dithia-2,4-diphosphetane 2,4-disulfide, 2,4-bis 4-methoxyphenyl-1,3-dithia-2,4-diphosphetane 2,4-disulphide, 4-methoxyphenylthiophosphoric cyclic di thioanhydride
87949
2,4-bis(4-metoxifenil)-2,4-bis(sulfanilideno)-1,3,2$l{5},4$l{5}-ditiadifosfetano
COC1=CC=C(C=C1)P2(=S)SP(=S)(S2)C3=CC=C(C=C3)OC
Este artículo no se puede devolver. Vea la política de devoluciones
19172-47-5
C14H14O2P2S4
404.452
MFCD00005171
CFHGBZLNZZVTAY-UHFFFAOYSA-N
lawesson's reagent, lawesson reagent, 2,4-bis 4-methoxyphenyl-1,3,2,4-dithiadiphosphetane 2,4-disulfide, unii-a4125mq8rx, 1,3,2,4-dithiadiphosphetane, 2,4-bis 4-methoxyphenyl-, 2,4-disulfide, 2,4-bis 4-methoxyphenyl-2,4-dithioxo-1,3,2,4-dithiadiphosphetane, 2,4-bis 4-methoxyphenyl-1,3,2,4-dithiadiphosphetane-2,4-disulfide, 2,4-bis 4-methoxyphenyl-1,3-dithia-2,4-diphosphetane 2,4-disulfide, 2,4-bis 4-methoxyphenyl-1,3-dithia-2,4-diphosphetane 2,4-disulphide, 4-methoxyphenylthiophosphoric cyclic di thioanhydride
87949
2,4-bis(4-metoxifenil)-2,4-bis(sulfanilideno)-1,3,2$l{5},4$l{5}-ditiadifosfetano
COC1=CC=C(C=C1)P2(=S)SP(=S)(S2)C3=CC=C(C=C3)OC

Descripción

Lawesson's reagent is a thiation agent used to convert carbonyl compounds into thiocarbonyls. It is also used to thionate enones, esters, lactones, amides, lactams and quinones. Further, it is used to prepare thiols from alcohols. It is associated with silver perchlorate and utilized as and oxophilic Lewis acid catalyst for Diels-Alder reaction of dienes with alfa, beta-unsaturated aldehydes.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Aplicaciones
El reactivo de Lawesson es un agente de tiación utilizado para convertir compuestos carbonilo en tiocarbonilos.′ También se utiliza para la tionación de enonas, ésteres, lactonas, amidas, lactamas y quinonas. Además, se utiliza para preparar tioles a partir de alcoholes. Se asocia con perclorato de plata y se utiliza como catalizador de Lewis de ácido oxofílico para la reacción de Diels-Alder de dienos con aldehídos alfa y beta-insaturados.

Solubilidad
Insoluble en agua.

Notas
Incompatible con agentes oxidantes fuertes.
TRUSTED_SUSTAINABILITY
Nombre del producto químico o material Lawesson's Reagent
Punto de fusión 221°C to 225°C
Cantidad 100 g
Número UN UN3134
Beilstein 1024888
Sensibilidad Moisture sensitive
Índice Merck 14,5391
Información de solubilidad Insoluble in water.
Formula Weight (peso de la fórmula) 404.47
Porcentaje de pureza 97%

RUO – Research Use Only

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