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公开(公告)号:KR1019950001659B1
公开(公告)日:1995-02-28
申请号:KR1019920004705
申请日:1992-03-21
Applicant: 한국과학기술연구원
IPC: C01B31/36
Abstract: The β-type silicon carbide micropowder is prepared by pyrolysis of the mixt. comprising one or more of the methyl silaalkanes of formula (I) or (II) using a carrier gas. In the formulas, R1,R2 are each methyl or Cl, R3 is H or Cl where the formula (I); R1,R2 are each methyl or H where the formula (III). The concentration of the mixt. of the cpd. (I) and/or the cpd. (II) in the carrier gas is less than 50%. Pref. the carrier gas is argon, H2 or the mixed. gas thereof; the temp. of the pyrolysis is 750-1600 deg.C.
Abstract translation: 通过混合物的热解制备β型碳化硅微粉。 包括使用载气的一种或多种式(I)或(II)的甲基硅烷。 在式中,R 1,R 2各自为甲基或Cl,R 3为H或Cl,其中式(I); R1,R2各自为甲基或H,其中式(III)。 混合物的浓度。 的cpd。 (I)和/或cpd。 (II)中的载气小于50%。 县。 载气是氩气,H2或混合气体。 气体 温度 的热解为750-1600℃。
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公开(公告)号:KR1019940011185B1
公开(公告)日:1994-11-26
申请号:KR1019920002735
申请日:1992-02-22
Applicant: 한국과학기술연구원
IPC: C07F7/07
Abstract: The silicon-contg. heterocyclic compound of formula (I) is produced by reacting an organic chloride cpd. of formula (II) having two chloromethyl gps. with a silicon in the presence of 5-15 wt.% copper as a catalyst, 0.1-2.0 wt.% cadmium, lead, zinc, silver, manganese, magnesium or chromium as a promotor at 240-370 deg.C in the fluidized or stirred tank reactor. In the formulas, R is -CH2-CH2-, (a) or (b). The compound 9I) is used as a starting material in the manufacture of silicon polymers.
Abstract translation: 硅胶 式(I)的杂环化合物通过使有机氯化物cpd反应来制备。 具有两个氯甲基gps的式(II)化合物。 在作为催化剂的5-15重量%的铜存在下,在240-370℃的流化床中,作为助催化剂的镉,铅,锌,银,锰,镁或铬为0.1-2.0重量% 或搅拌釜反应器。 在式中,R是-CH 2 -CH 2 - ,(a)或(b)。 化合物9I)用作制造硅聚合物的原料。
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公开(公告)号:KR1019940007415B1
公开(公告)日:1994-08-18
申请号:KR1019910006503
申请日:1991-04-23
Applicant: 한국과학기술연구원
IPC: C07F7/10
CPC classification number: A01N55/00 , C07F7/0812 , C07F7/12
Abstract: This is a new substituted triazol base insecticide of formula (I). This (1H-1,2,4-triazolyl)dislaalkane manufacturing method comprises: A) preparing chloromethyl disilaalkane of (II) by reaction chloromethyldisilamethylene of (III) and Grinard agent in the presence of tetrahydrofuran or diethyl ether at -20-30 deg.C; and B) reacting chloromethylsilaalkane and sodium triazol in dimethylformamide.
Abstract translation: 这是式(I)的新的取代的三唑基杀虫剂。 该(1H-1,2,4-三唑基)二烷烃制备方法包括:A)在-20-30℃下,在四氢呋喃或乙醚存在下,通过(III)的氯甲基二亚甲基酯和格里纳德反应来制备(II)的氯甲基二烷基烷烃 。C; 和B)在二甲基甲酰胺中使氯甲基硫代三唑和三唑钠反应。
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公开(公告)号:KR1019940007045A
公开(公告)日:1994-04-26
申请号:KR1019920016148
申请日:1992-09-04
Applicant: 한국과학기술연구원
IPC: C07F7/12
Abstract: 본 발명에 따라 트리스실릴알칸과 탄소와 탄소 이중결합을 갖는 유기화합물을 촉매 조건하에 수소규소화 반응으로 부가시켜 얻어지는 다음 일반식(Ⅹ), (ⅩⅠ), (ⅩⅡ), (ⅩⅢ), (ⅩⅣ), (ⅩⅤ), (ⅩⅥ) 및 (ⅩⅦ)의 유기규소화합물 및 그의 제조방법이 제공된다.
단, X는 C1, OR
1 (R
1 은 C
1 -C
4 의 알킬기), OAc이며 R
2 는 Ph, CH
2 Cl, C
n H
2n CH
3 (N=0-15), Si(Me)
m C1
3-m (M=0-3), CF
3 , CN, CH
2 CN,
, CH-CH
2 , (CH
2 )
4 CH=CH
2 ,
, Ph-CH
2 C1, 사이클로헥스-3-엔닐기를 표시한다.-
公开(公告)号:KR1019900003092B1
公开(公告)日:1990-05-07
申请号:KR1019870014733
申请日:1987-12-22
Applicant: 한국과학기술연구원
IPC: C07F7/04
CPC classification number: C07F7/1836 , C07F7/0836 , C09K5/20 , C23F11/08
Abstract: Organic silanes of formula (I) are prepared by reacting gammagly cidoxypropyltoialkoxysilane of formula (II) with a cpd. of formula (III) in the presence of a solvent and a base. In the formulas, R is C1-4 aliphatic alkyl; R1 and R3 are each phenyl, cyanide, -CO-CH3 or -CO2R4; R4 is C1-4 aliphatic alkyl. (I) are useful for stabilizing silicate in the antifreezing solution.
Abstract translation: 式(I)的有机硅烷通过使式(II)的丙烷氧基丙基氧基硅烷与cpd反应来制备。 的式(III)化合物在溶剂和碱的存在下反应。 在式中,R为C 1-4脂族烷基; R 1和R 3各自为苯基,氰基,-CO-CH 3或-CO 2 R 4; R 4是C 1-4脂族烷基。 (I)可用于在防冻溶液中稳定硅酸盐。
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公开(公告)号:KR1019890003883B1
公开(公告)日:1989-10-10
申请号:KR1019870000906
申请日:1987-02-05
Applicant: 한국과학기술연구원
IPC: C07F9/40
Abstract: A phosphonate cpd. of formula (III) is prepd. by reacting a dialkyl phosphite of formula (I) with an unsaturated hydrocarbon cpd. of formula (II) in the presence of a mixed catalyst of tertiary ethylamine and trialkyl chlorosilane, and a solvent of acetonitrile or toluene. In the formulas, R is H, alkyl, phenyl, nitrile, methyl alkylate; R1 is methyl, ethyl, butyl, aryl or trimethylsillyl; X is nitrile, aldehyde, ketone, methyl alkylate or phenyl. The cpd. (III) is useful as an insecticide or a herbicide.
Abstract translation: 膦酸酯cpd 的式(III)化合物是制备的。 通过使式(I)的亚磷酸二烷基酯与不饱和烃cpd反应。 (II)的混合催化剂存在下,在叔乙胺和三烷基氯硅烷的混合催化剂存在下,以及乙腈或甲苯的溶剂。 在该式中,R是H,烷基,苯基,腈,烷基甲基化物; R1是甲基,乙基,丁基,芳基或三甲基甲硅烷基; X是腈,醛,酮,烷基化烷基酯或苯基。 cpd。 (III)可用作杀虫剂或除草剂。
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公开(公告)号:KR1019880002435B1
公开(公告)日:1988-11-12
申请号:KR1019850003134
申请日:1985-05-09
Applicant: 한국과학기술연구원
Abstract: Title compds. of formula, HOP(O)(OH)CH2NHCH2R [(I), R= alkylphenyl, substd. phenyl, CN, CO2R, OR, SR, CO2H, halogen were prepd. and are useful as a plant=growth regulator and a herbcide. Thus, poly(dimethylsiloxyphosphate) was reacted with 1,3,5-tricyanomethyl- hexahydro-1,3,5-triazine in BF3-ether for 2hr at 45±5↿C to give 74% (I)(R=CN).
Abstract translation: 标题compds HOP(O)(OH)CH 2 NHCH 2 R [(I),R =烷基苯基,被取代。 苯基,CN,CO 2 R,OR,SR,CO 2 H,卤素。 并且可用作植物=生长调节剂和杀草剂。 因此,聚(二甲基硅氧磷酸盐)与BF 3 - 醚中的1,3,5-三甲基甲基 - 六氢-1,3,5-三嗪在45±5℃下反应2小时,得到74%(I)(R = CN) 。
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