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135204-19-2 - 1,1-Dioxobenzo[b]thiophen-2-ylmethyl chloroformate, tech. 90% - Benzo[b]thiophenesulfone-2-methoxycarbonyl chloride - Bsmoc-Cl - L19559 - Alfa Aesar

L19559 1,1-Dioxobenzo[b]thiophen-2-ylmethyl chloroformate, tech. 90%

Codice CAS
135204-19-2
Sinonimi
Benzo[b]thiophenesulfone-2-methoxycarbonyl chloride
Bsmoc-Cl

Dimensioni Prezzo ($) Quantità Disponibilità
1g 41,36
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1,1-Dioxobenzo[b]thiophen-2-ylmethyl chloroformate, tech. 90%

MDL
MFCD01090984
EINECS
000-000-0

Proprietà chimiche

Formula
C10H7ClO4S
Peso formula
258.68
Punto di fusione
76-77°
Sensibilità
Moisture Sensitive
Solubilità
Reacts with water.

Applicazioni

1,1-Dioxobenzo[b]thiophen-2-ylmethyl chloroformate is used for protection of amino acids as their benzothiophenesulfone-2-methoxycarbonyl (Bsmoc) derivatives, which represent a significant improvement in solid-phase peptide synthesis over the corresponding Fmoc derivatives.

Note

Store under inert gas. It is sensitive to moisture. Store in a cool, dry conditions in well sealed containers. Incompatible with oxidizing agents and bases.

Letteratura

Reagent introduced by Carpino for protection of amino acids as their benzothiophenesulfone-2-methoxycarbonyl (Bsmoc) derivatives, which represent a significant improvement in solid-phase peptide synthesis over the corresponding Fmoc derivatives. They are more readily cleaved by base, particularly tris(2-aminoethyl)amine: J. Am. Chem. Soc., 119, 9915 (1997); J. Org. Chem., 64, 4324 (1999).

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H314-H318

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

Dichiarazioni precauzionali: P260u-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a

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. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Beilstein
8258946
Classe di rischio
8
Gruppo di imballaggio
II
Codice tariffe armonizzato
2934.99
TSCA
No

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