CAS 19172-47-5

Reagente de Lawesson

Descrição:

Reagente de Lawesson, com o número CAS 19172-47-5, é um composto químico utilizado principalmente como tiocetona e como reagente na síntese orgânica. É caracterizado por sua capacidade de converter compostos carbonílicos em tiones, que são análogos de enxofre das cetonas. O reagente é tipicamente um sólido amarelo a marrom e é conhecido por sua estabilidade em condições ambientais. Reagente de Lawesson é frequentemente utilizado na síntese de vários compostos contendo enxofre, incluindo tioésteres e tiocetonas, tornando-o valioso na química medicinal e na ciência dos materiais. Sua reatividade é atribuída à presença de fósforo e enxofre em sua estrutura, o que facilita o ataque nucleofílico a grupos carbonílicos eletrofílicos. Além disso, é importante manusear Reagente de Lawesson com cuidado devido à sua potencial toxicidade e à necessidade de medidas de segurança adequadas durante o uso. No geral, Reagente de Lawesson é uma ferramenta versátil na química orgânica sintética, particularmente para a funcionalização de compostos carbonílicos.

Fórmula: C₁₄H₁₄O₂P₂S₄

InChI: InChI=1S/C14H14O2P2S4/c1-15-11-3-7-13(8-4-11)17(19)21-18(20,22-17)14-9-5-12(16-2)6-10-14/h3-10H,1-2H3

Chave InChI: InChIKey=CFHGBZLNZZVTAY-UHFFFAOYSA-N

SMILES: S=P1(SP(=S)(S1)C2=CC=C(OC)C=C2)C3=CC=C(OC)C=C3

Sinónimos:

• 1,3,2,4-Dithiadiphosphetane, 2,4-bis(4-methoxyphenyl)-, 2,4-disulfide
• 19172-47-5
• 2,4-(4-Methoxyphenyl)-1,3,2,4-dithiadiphosphetane-2,4-disulfide
• 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)-2,4-dithioxo-1,3,2,4-dithiadiphosphetane
• 2,4-Bis(p-methoxyphenyl)-1,3,2,4-dithiadiphosphetane 2,4-disulfide
• 2,4-Di(p-methoxyphenyl)-1,3-dithiadiphosphetane disulfide
• 242-855-4
• Lawesson reagent
• NSC 150550
• Phosphonotrithioic acid, (p-methoxyphenyl)-, bimol. cyclic anhydrosulfide
• Reagents, Lawesson's
• p-Anisyldithiophosphonic anhydride
• p-Methoxyphenylthionophosphine sulfide dimer

Lawesson's Reagent [Sulfurating Reagent]

CAS: 19172-47-5

Fórmula: C₁₄H₁₄O₂P₂S₄

Pureza: >93.0%(T)

Cor e Forma: White to Light yellow to Green powder to crystal

Peso molecular: 404.45

Ref: 3B-B1133

Lawesson's Reagent, 97%

CAS: 19172-47-5

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 oxophili

Fórmula: C₁₄H₁₄O₂P₂S₄

Pureza: 97%

Cor e Forma: White to pale cream or pale yellow, Crystals or powder or crystalline powder

Peso molecular: 404.45

Ref: 02-A14530

2,4-Bis(4-methoxyphenyl)-2,4-dithioxo-1,3,2,4-dithiadiphosphetane

CAS: 19172-47-5

2,4-Bis(4-methoxyphenyl)-2,4-dithioxo-1,3,2,4-dithiadiphosphetane

Pureza: 95%

Peso molecular: 404.47g/mol

Ref: 54-OR5755

Lawesson's reagent

CAS: 19172-47-5

Lawesson's reagent is a thiation agent. It is incompatible with strong oxidizing agents.

Fórmula: C₁₄H₁₄O₂P₂S₄

Pureza: 98%

Cor e Forma: Light Yellow To Beige Powder

Peso molecular: 404.47

Ref: TM-T20652

Lawesson reagent

CAS: 19172-47-5

Fórmula: C₁₄H₁₄O₂P₂S₄

Pureza: (Titration) ≥ 96.0%

Cor e Forma: Off-white to light-yellow or pale beige-brown powder

Peso molecular: 404.47

Ref: 7W-GK7277

Lawessons reagent

CAS: 19172-47-5

Fórmula: C₁₄H₁₄O₂P₂S₄

Pureza: 98.0%

Cor e Forma: Solid

Peso molecular: 404.45

Ref: 10-F047678

Lawesson’s Reagent

Produto Controlado

CAS: 19172-47-5

Applications Lawesson’s Reagent is used primarily in the conversion of carbonyls to thiocarbonyls. It is also used in the synthesis of β-D-ribonucleosides.
Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
References Shimomura, N. et al.: Bull. Chem. Jpn., 67, 3100 (1994); Wang, F. et al.: Sens. Actu. Chem., 161, 948 (2012);

Fórmula: C₁₄H₁₄O₂P₂S₄

Cor e Forma: Neat

Peso molecular: 404.467

Ref: TR-L178780

Lawesson's reagent

CAS: 19172-47-5

Lawesson's reagent is a solution of copper(II) acetate, ammonium chloride and hydrochloric acid. It is used in organic chemistry as an oxidizing agent for the conversion of amines to nitro compounds. Lawesson's reagent is also used in vitro as an antifungal agent. The mechanism of action is not fully understood, but it appears to act by producing reactive oxygen species that cause oxidative damage to fungal cell membranes. In addition, Lawesson's reagent has anti-inflammatory properties and can be used as a pharmaceutical preparation.

Fórmula: C₁₄H₁₄O₂P₂S₄

Pureza: (%) Min. 98%

Cor e Forma: Off-White Powder

Peso molecular: 404.47 g/mol

Ref: 3D-FL32202