Detail of "3222-56-8"

CAS Number:
3222-56-8
Name:
3-Pyridinecarboxylicacid, 2-methyl-
Superlist Name:
2-Methylnicotinic acid
Molecular Structure:
Formula:
C₇H₇NO₂
Molecular Weight:
137.14
Synonyms:
Nicotinicacid, 2-methyl- (6CI,7CI,8CI);2-Methyl-3-pyridinecarboxylic acid;2-Picoline-3-carboxylic acid;2-Methyl-nicotinic acid;2-Methylpyridine-3-carboxylic acid;
Density:
1.23 g/cm³
Melting Point:
228-230 °C (dec.)(lit.)
Boiling Point:
280.4 °C at 760 mmHg
Flash Point:
123.4 °C
Appearance:
off-white plates
Hazard Symbols:
Xi
Risk Codes:
36/37/38
Safety:
26-36 Details

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Preparation of 2-(pyrimidin-4-ylmethyl) nicotinates and related compounds as agrochemicals: Preparation of 2-(pyrimidin-4-ylmethyl) nicotinates and related compounds as agrochemicals. Krueger, Gabriele; Tarara, Gerhard; Harde, Christoph; Jones, Graham Peter; Johann, Gerhard; Rees, Richard (Schering A.-G., Germany). Ger. Offen. DE 4026177 A1 20 Feb 1992, 14 pp. (Germany). CODEN: GWXXBX. CLASS: ICM: C07D401-06. ICS: C07D251-14; C07D239-28; A01N043-54; A01N043-66. ICI: C07D401-06, C07D213-78, C07D239-28, C07D251-14. APPLICATION: DE 90-4026177 16 Aug 1990. DOCUMENT TYPE: Patent CA Section: 28 (Heterocyclic Compounds (More Than One Hetero Atom)) Section cross-reference(s): 5 Title compds. [I; R1 = H, (substituted) alkyl, alkenyl, alkynyl, cycloalkyl, (cyclo)alkylmethylenimino; R2, R3 = (halo)alkyl, alkoxy, alkoxyalkyl, alkylthio, alkylamino, halo; R4, R5 = H, (halo)alkyl, alkoxy, PhO, NO2, halo, cyano, alkoxycarbonyl; R6 = H, halo, alkyl; X, Y = CH, N], and salts and optical isomers thereof, were prepd. Thus, 2-methylnicotinic acid was coupled with 4,6-dimethoxy-2-methylsulfonylpyrimidine using LiN(CHMe2)2 in THF in 18% yield and the product was esterified with MeI/K2CO3 in DMF to give title compd. II. II at 0.1 kg/ha preemergent gave 90-100% control of Galium aparine.Except for chemicals metioned above, 113583-35-0 and 3222-56-8 are also used. .