cas 89284-61-7, 4-Chloro-3-cyanopyridine | Articles data ｜lookchem

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89284-61-7

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Straightforward access to ethyl 3-aminofuropyridine-2-carboxylates from 1-chloro-2-cyano- or 1-hydroxy-2-cyano-substituted pyridines
The conditions of the synthesis of the four regioisomers of ethyl 3-aminofuropyridine-2-carboxylate are described and discussed in detail. The starting materials are either 1-chloro-2-cyanopyridines or 1-cyano-2- hydroxypyridines. Georg Thieme Verlag Stuttgart.
Cailly, Thomas,Lemaitre, Stephane,Fabis, Frederic,Rault, Sylvain
p. 3247 - 3251
(2008/04/03)

Synthesis of ortho-substituted cyanopyridines through lithio intermediate trapping
Ortholithiation of 4-cyanopyridine using 2,2,6,6-tetramethylpiperidide (LiTMP) and trapping the lithio intermediate with electrophiles represents an efficient and straightforward access to ortho-substituted-4-cyanopyridines. The cyano group can be used as an ortho-directing group and allows the preparation of 3-halogeno-4-cyanopyridines. Reactivity of 2- and 3-cyanopyridines is also investigated and seems to give similar results.
Cailly, Thomas,Fabis, Frédéric,Lema?tre, Stéphane,Bouillon, Alexandre,Rault, Sylvain
p. 135 - 137
(2007/10/03)

Site-Selectivity in the Reaction of 3-Substituted Pyridine 1-Oxides with Phosphoryl Chloride
Site-selectivity in the reaction of 3-substituted pyridine 1-oxide with phosphoryl chloride was investigated.When a strongly electron-withdrawing group (e.g.CN, CONRR', COOR, or NO2) was substituted at the 3-position, the reaction of 3-substituted pyridine 1-oxides with phosphoryl chloride yielded 3-substituted 2-chloropyridines as the main products.Keywords- site-selectivity; 3-substituted pyridine 1-oxide; phosphoryl chloride; 3-substituted 2-chloropyridine; chlorination
Yamanaka, Hiroshi,Araki, Tomio,Sakamoto, Takao
p. 2244 - 2247
(2007/10/02)

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Chemical Properties

Melting Point: 86 °C
Boiling Point: 243.552 °C at 760 mmHg
Flash Point:101.097 °C
Density: 1.331 g/cm³
Storage Temp.:Inert atmosphere,Store in freezer, under -20°C
PKA: 1.11±0.10(Predicted)
PSA: 36.68000
LogP: 1.60668

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