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7669-54-7 - 2-Nitrobenzenesulfenyl chloride, 97% - 2-Nitrophenylsulfenyl chloride - B23627 - Alfa Aesar

B23627 2-Nitrobenzenesulfenyl chloride, 97%

CAS-Nummer
7669-54-7
Synonyme
2-Nitrophenylsulfenyl chloride

Größe Preis ($) Menge Verfügbarkeit
10g 50,88
50g 166,00
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2-Nitrobenzenesulfenyl chloride, 97%

MDL
MFCD00007128
EINECS
231-644-2

Chemische Eigenschaften

Formel
C6H4ClNO2S
Molmasse
189.62
Schmelzpunkt
72-75°
Sensitivität
Moisture Sensitive
Löslichkeit
Reacts with water.

Anwendungen

2-Nitrobenzenesulfenyl chloride is used as a reagent for N-protection as N-2-nitrophenylsulfenyl (Nps) derivatives, in amino acids and peptides and nucleosides.

Bemerkungen

Store under dry inert gas. Store away from moisture, strong bases and oxidizing agents. Protect from humidity and water.

Literaturverweise

Norman Kharasch; Herbert L. Wehrmeister; Henry Tigerman. Derivatives of Sulfenic Acids. I. Reactions of 2-Nitrobenzenesulfenyl Chloride, 2,4-Dinitrobenzenesulfenyl Chloride and of the Corresponding Sulfenyl Thiocyanates with Olefins and with Methyl Ketones. J. Am. Chem. Soc. 1947, 69, (7), 1612-1615.

Reagent for N-protection as N-2-nitrophenylsulfenyl (Nps) derivatives, in amino acids and peptides: J. Am. Chem. Soc., 85, 3660 (1963); 87, 99 (1965); Biochemistry, 7, 971, 980 (1968); Synthesis, 512 (1985); Helv. Chim. Acta, 66, 602 (1983), and nucleosides: J. Org. Chem., 54, 2321 (1989). The Nps group is readily cleaved by dilute acid. For cleavage with thioacetamide, see: Helv. Chim. Acta, 49, 1330 (1966).

The chemistry of sulfenyl halides has been reviewed: Synthesis, 563, 617 (1971).

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H314-H318

Causes severe skin burns and eye damage. Causes serious eye damage.

Sicherheitshinweise: P260-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P363-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. Wash contaminated clothing before reuse. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
473741
Gefahrenklasse
8
Verpackungsgruppe
II
Harmonized Tariff Code
2930.90
TSCA
Yes

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