Replacement of α-chlorine in N-heteroaromatics by the (CF3)2NO group using mercurials derived from bistrifluoromethyl nitroxide: Synthesis of 2-(bistrifluoromethylamino-oxy)-pyridine, -pyrimidine and -pyrazine
Fluorinations with complex metal fluorides. Part 7. Fluorinations of the methyl pyridines with caesium tetrafluorocobaltate
作者:Raymond G. Plevey、Richard W. Rendell、John Colin Tatlow
DOI:10.1016/s0022-1139(00)81512-2
日期:1982.11
4-Methylpyridine passed over caesium tetrafluorocobaltate at 330 – 340° gave tridecafluoro(1,3-dimethylpyrrolidine) (1) and its 3-difluoromethyl analogue (2), together with a range of polyfluoro-4-picolines (4 – 10) with −CF3, −CHF2 or −CH2F groups in the 4-position. 3-Methylpyridine similarly gave 1 and its 1,2-isomer (11) together with several polyfluoro-3-picolines (14 – 18). 2-Methylpyridine at
Chlorine exchange for fluorine in 2-fluoro-pyridine compounds
申请人:THE DOW CHEMICAL COMPANY
公开号:EP0183228A2
公开(公告)日:1986-06-04
A method of exchanging a chlorine atom for a fluorine atom at the 2-position of a 2-fluoro-pyridine compound which comprises contacting a 2-fluoro-pyridine compound with a substituted or unsubstituted trichloromethyl or dichlorofluoromethyl alpha, beta or gamma picoline compound at a temperature of 50-250°C and at atmospheric or superatmospheric pressure.
[EN] PYRIDAZINOL COMPOUND, DERIVATIVE THEREOF, PREPARATION METHOD THEREFOR, HERBICIDAL COMPOSITION AND USE THEREOF<br/>[FR] COMPOSÉ DE PYRIDAZINOL, DÉRIVÉ DE CELUI-CI, SON PROCÉDÉ DE PRÉPARATION, COMPOSITION HERBICIDE ET SON UTILISATION<br/>[ZH] 哒嗪醇类化合物及其衍生物、制备方法、除草组合物和应用
AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE ELEMENT USING SAME
申请人:IDEMITSU KOSAN CO., LTD.
公开号:US20140353646A1
公开(公告)日:2014-12-04
An aromatic amine derivative is represented by a formula (1-1) below. In the formula (1-1), R
2
to R
5
and R
7
to R
10
are each independently a hydrogen atom or a substituent. In the formula (1-1), R
1
and R
6
are represented by a formula (2-1) below, and L
1
to L
3
are each independently a single bond, a divalent residue of an aryl group, and the like. In the formula (2-1); Ar
1
is a monovalent substituent having a partial structure represented by a formula (3-1) below; X is an oxygen atom or a sulfur atom; and A and B represent a six-membered ring. In the formula (2-1), Ar
2
is an aryl group or a heterocyclic group. The monovalent substituent having the partial structure represented by the formula (3-1) includes at least one of a fluorine atom and the like.