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217328

Sigma-Aldrich

Trichloroacetyl isocyanate

96%

Sinônimo(s):

2,2,2-Trichloroacetyl isocyanate, alpha,alpha,alpha-Trichloroacetyl isocyanate

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About This Item

Fórmula linear:
Cl3CCONCO
Número CAS:
3019-71-4
Peso molecular:
188.40
Beilstein:
971201
Número CE:
221-165-7
Número MDL:
MFCD00002033
Código UNSPSC:
12352100
ID de substância PubChem:
24853009
NACRES:
NA.22

Nível de qualidade

200

Ensaio

96%

índice de refração

n20/D 1.480 (lit.)

pb

80-85 °C/20 mmHg (lit.)

densidade

1.581 g/mL at 25 °C (lit.)

grupo funcional

amine
chloro
isocyanate

temperatura de armazenamento

2-8°C

cadeia de caracteres SMILES

ClC(Cl)(Cl)C(=O)N=C=O

InChI

1S/C3Cl3NO2/c4-3(5,6)2(9)7-1-8

chave InChI

GRNOZCCBOFGDCL-UHFFFAOYSA-N

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Descrição geral

Conformational stability and vibrational IR and Raman spectra of trichloroacetyl isocyanate has been investigated. Trichloroacetyl isocyanate is commonly employed as in situ derivatizing reagent for the 13C NMR studies of alcohols, phenols and amines. It undergoes 1,5-cycloaddition reaction with anhydro-2-deoxy-D-erythro- and -L-threo-pent-1-enitols and 1,5-anhydro-2-deoxy-D- and -L-arabino-hex-1-enitols to yield [2+2] and [4+2] cycloadducts.

Aplicação

Trichloroacetyl isocyanate was used in catalytic one-pot dehydrative glycosylation of 1-hydroxy carbohydrate. It was also used as a reagent for the conversion of alcohols to carbamates†.

Palavra indicadora

Danger

Classificações de perigo

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Eye Dam. 1 - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1

Código de classe de armazenamento

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

150.8 °F - closed cup

Ponto de fulgor (°C)

66 °C - closed cup

Equipamento de proteção individual

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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Certificados de análise (COA)

Lot/Batch Number
1048847V
1059110
1048847
07114HH
05215HH

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Hassan M Badawi et al.
Journal of molecular modeling, 8(2), 44-49 (2002-05-29)
The conformational stability and vibrational infrared and Raman spectra of trichloroacetyl isocyanate (CCl3CONCO) were investigated by ab initio MP2 and density functional B3LYP calculations using the 6-311++G** basis set. From the potential energy scans of the internal rotations in both
NMR spectral studies-XII: Trichloroacetyl isocyanate as an in situ derivatizing reagent for 13C NMR spectroscopy of alcohols, phenols and amines.
Bose AK and Srinivasan PR.
Tetrahedron, 31(24), 3025-3029 (1975)
Tatsuya Shirahata et al.
Carbohydrate research, 345(6), 740-749 (2010-03-09)
Efficient catalytic and stereoselective glycosylation was achieved by activating a glycosyl N-trichloroacetylcarbamate with a catalytic amount of Lewis acid in the presence of a glycosyl acceptor and 5A molecular sieves. Catalytic one-pot dehydrative glycosylation of a 1-hydroxy carbohydrate was achieved
Tetrahedron Letters, 48, 65-65 (2007)
[2+ 2] Cycloaddition of trichloroacetyl isocyanate to glycals.
Chmielewski M and Kaluza Z.
Carbohydrate Research, 167, 143-152 (1987)

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