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  6. Thermo Scientific Chemicals Lawesson's Reagenz, 97 %

Thermo Scientific Chemicals Lawesson's Reagenz, 97 %

Catalog Number p-7021973
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Menge:
5 g
25 g
100 g
500 g
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-methoxyphenyl)-2,4-bis(sulfanyliden)-1,3,2$l^{5},4$l^{5}-Dithiadiphosphetan
COC1=CC=C(C=C1)P2(=S)SP(=S)(S2)C3=CC=C(C=C3)OC
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-methoxyphenyl)-2,4-bis(sulfanyliden)-1,3,2$l^{5},4$l^{5}-Dithiadiphosphetan
COC1=CC=C(C=C1)P2(=S)SP(=S)(S2)C3=CC=C(C=C3)OC

Beschreibung

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.

Anwendungen
Lawesson-Reagenz ist ein Thiierungmittel, das zur Umwandlung von Carbonylverbindungen in Thiocarbonylverbindungen verwendet wird. Es wird auch zur Thionierung von Enonen, Estern, Lactonen, Amiden, Lactamen und Chinonen verwendet. Weiter wird es benutzt, um Thiole aus Alkoholen vorzubereiten. Es ist mit Silberperchlorat assoziiert und wird als oxophiler Lewis-Säure-Katalysator für die Diels-Alder-Reaktion von Dienen mit alpha-beta-ungesättigten Aldehyden verwendet.

Löslichkeit
Unlöslich in Wasser.

Hinweise
Nicht kompatibel mit starken Oxidationsmitteln.
TRUSTED_SUSTAINABILITY
Chemischer Name oder Material Lawesson's Reagent
Schmelzpunkt 221°C to 225°C
Menge 5 g
UN-Nummer UN3134
Beilstein 1024888
Empfindlichkeit Moisture sensitive
Merck Index 14,5391
Löslichkeitsinformationen Insoluble in water.
Formelmasse 404.47
Reinheit (%) 97%

RUO – Research Use Only

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