2-Chlornicotinamid

Bezeichnung:2-Chlornicotinamid

CAS-Nr10366-35-5

Englisch Name:2-Chloronicotinamide

CBNumberCB9449716

SummenformelC6H5ClN2O

Molgewicht156.57

MOL-Datei10366-35-5.mol

Synonyma

2-Chlornicotinamid

2-Chlornicotinamid physikalisch-chemischer Eigenschaften

Schmelzpunkt	164-167 °C(lit.)
Siedepunkt	313.7±27.0 °C(Predicted)
Dichte	1.4411 (rough estimate)
Brechungsindex	1.5400 (estimate)
storage temp.	Inert atmosphere,Room Temperature
Aggregatzustand	Fine Crystalline Powder
pka	14.19±0.50(Predicted)
Farbe	Beige
BRN	119026
InChI	InChI=1S/C6H5ClN2O/c7-5-4(6(8)10)2-1-3-9-5/h1-3H,(H2,8,10)
InChIKey	ZQZAHPFFZWEUCL-UHFFFAOYSA-N
SMILES	C1(Cl)=NC=CC=C1C(N)=O
CAS Datenbank	10366-35-5(CAS DataBase Reference)

Sicherheit

Kennzeichnung gefährlicher	Xi
R-Sätze:	36/37/38
S-Sätze:	26-37/39
WGK Germany	3
HazardClass	IRRITANT
HS Code	29333990

Gefahreninformationscode (GHS)

2-Chloronicotinamide Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
Chemische Eigenschaften
BEIGE FINE CRYSTALLINE POWDER
Synthese

6602-54-6

10366-35-5

General procedure for the synthesis of 2-chloronicotinamide from 2-chloro-3-cyanopyridine: 400 mL of concentrated sulfuric acid was added to a 1000 mL three-necked flask, followed by the addition of 2-chloro-3-cyanopyridine (138 g, 1 mol), which was stirred until completely dissolved. The reaction system was warmed up to 90 °C and the reaction was maintained at this temperature with stirring for 2 hours. Upon completion of the reaction, the reaction mixture was slowly poured into a mixture containing 1000 mL of ammonia and 1 kg of ice and stirring was continued for 1 hour. The precipitated crude product was collected by filtration. The crude product was transferred to 1000 mL of ethyl acetate and stirred for 1 hour to wash and subsequently separated by filtration to give a white solid product. Finally, the white solid was dried by blowing at 50 °C to give 153 g of the intermediate 2-chloronicotinamide as a white solid in 98% yield.
Einzelnachweise
[1] Patent: CN105367571, 2017, B. Location in patent: Paragraph 0014; 0037; 0038
[2] Tetrahedron Letters, 2012, vol. 53, # 4, p. 449 - 452
[3] Journal of Chemical Research, 2011, vol. 35, # 8, p. 480 - 483
[4] Synlett, 2018, vol. 29, # 15, p. 2061 - 2065
[5] Journal of Organic Chemistry, 1954, vol. 19, p. 1633,1636

2-Chloronicotinamide Upstream-Materialien And Downstream Produkte

2-Chlornicotinamid Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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