Liquid crystal naphtalene compounds, represented by the following formula (1) are disclosed.
R-Z-A-NAP-Z′-R′ (1)
In the formula (1), R is an alkyl group containing 1 to 18 carbon atoms; R′ is an alkyl group containing 1 to 21 carbon atoms; NAP represents 2,6-naphthylene group; A, Z and Z′ are as follows: 1) A is Pyr> and (a) Z is - or # and Z′ is O, or (b) Z is - and Z′ is COO; 2) if A is Pym>, (a) Z is - and Z′ is O, or (b) Z is O and Z′ is -, O or #; 3) A is FPhF and (a) Z is - or O and Z′ is -, O or COO, (b) Z is OCO and Z′ is - or O, or (c) Z is # and Z′ is O; 4) A is PhF and (a) Z is - or # and Z′ is O, (b) Z is O and Z′ is -, or (c) Z is - and Z′ is COO; 5) A is FPh and (a) Z is O and Z′ is-, (b) Z is -, O, # or OCO and Z′ is O, or (c) Z is O and Z′ is COO; 6) A is
液晶萘化合物的化学式如下所示:R-Z-A-NAP-Z′-R′。在这个化学式中,R是含有1到18个碳原子的烷基基团;R′是含有1到21个碳原子的烷基基团;NAP代表2,6-萘基团;A、Z和Z′的具体定义如下:
1)如果A是Pyr,(a) Z是-或#,Z′是O;或者(b) Z是-,Z′是COO;
2)如果A是Pym,(a) Z是-,Z′是O;或者(b) Z是O,Z′是-、O或#;
3)如果A是FPhF,(a) Z是-或O,Z′是-、O或COO;(b) Z是OCO,Z′是-或O;或者(c) Z是#,Z′是O;
4)如果A是PhF,(a) Z是-或#,Z′是O;(b) Z是O,Z′是-;或者(c) Z是-,Z′是COO;
5)如果A是FPh,(a) Z是O,Z′是-;(b) Z是-、O、#或OCO,Z′是O;或者(c) Z是O,Z′是COO;
6)如果A是
The Activation of Carbon−Chlorine Bonds in Per- and Polyfluoroalkyl Chlorides: DMSO-Induced Hydroperfluoroalkylation of Alkenes and Alkynes with Sodium Dithionite
作者:Zheng-Yu Long、Qing-Yun Chen
DOI:10.1021/jo9900937
日期:1999.6.1
omega-dichloroperfluoroalkanes, the similarly stepwise reactions with an alkene is not clean, both bis-adducts and the corresponding omega-hydrides, RCH(2)CH(2)(CF(2))(n)()H as byproducts are also formed. In the absence of alkenes or alkynes, per- and polyfluoroalkyl chlorides can be converted to their sulfinate salts and sulfonyl chlorides.
在DMSO中,全氟烷基氯,R(F)Cl与烯烃或炔烃的加成反应可以在75-(1.5)Na(2)S(2)O(4)和NaHCO(3)的存在下平稳进行80摄氏度,持续4-10小时,得到相应的加合物(RCH(2)CH(2)R(F)或RCH = CHR(F))。乙基氯氟-(1f),氯二氟-(1g)乙酸酯,甚至非氟化化合物,例如二氯乙基(1h),乙酸氯(1i)和氯仿(1j)也可以进行类似的反应。用> 3当量的烯烃和Na(2)处理ω-碘(或氯)全氟烷基氯化物[X(CF(2))(n)()Cl,n = 2、4,X = I或Cl] S(2)O(4)直接给出对称的双取代烷烃(RCH(2)CH(2))(2)(CF(2))(n)()。对称和非对称双取代的加合物RCH(2)CH(2)(CF(2))(n)()CH(2)CH(2)R' ω-碘全氟烷基氯也可以逐步得到,即通过单加合物RCH(2)CH(2)(CF(2))(n)
The first example of sulfinatodehalogenation of 2,2,2-trifluoroethyl halides: A novel method for trifluoroethylation of alkenes and alkynes
作者:Zheng-Yu Long、Qing-Yun Chen
DOI:10.1016/s0040-4039(98)01906-6
日期:1998.11
2,2,2-Trifluoroethylation of alkenes and alkynes with 2,2,2-trifluoroethyl iodide or bromide and sodium dithionite in D+MSO or can occur under mild conditions.
在D + MSO中,用2,2,2-三氟乙基碘或溴和连二亚硫酸钠在烯烃和炔烃上进行2,2,2-三氟乙基化,或在温和条件下进行。
SUBSTITUTED 2-OXYIMIDAZOLYLCARBOXAMIDES AS PESTICIDES
申请人:Bayer CropScience Aktiengesellschaft
公开号:US20190040042A1
公开(公告)日:2019-02-07
The present invention relates to compounds of the general formula (I)
in which Q, V, T, W, X, Y and A have the meanings given in the description—and to their use for controlling animal pests.
本发明涉及一般式(I)化合物,其中Q、V、T、W、X、Y和A具有描述中给出的含义,并且涉及它们在控制动物害虫方面的用途。
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