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Matches 851 - 900 out of 935

Document Document Title
JPS5668622A
NEW MATERIAL:Optical active or racemic 7-chloromethyl-1,7-dimethyltricyclo[2, 2,1,02,6]heptane shown by the formula I. USE: An intermediate for α-santalol (a main ingredient of sandalwood oil important as spice). PROCESS: Camphor shown ...  
JPS5646852A
1-Haloalkyl isocyanates and 1-alkenyl isocyanates are prepared by reacting 1-haloalkylcarbamic acid halides or 1-haloalkyl isocyanates with alpha -pinene. The 1-alkenyl isocyanates and 1-haloalkyl isocyanates obtained according to the in...  
JPS5639027A
NEW MATERIAL:A cyclopropenium salt of formula I (R, R' and R" are cyclopropyl which may be substituted with hydrocarbon group or halogen; X- is anion). EXAMPLE: Cyclopropenium tetrafluoroborate. USE: A phase-transfer catalyst, a fluorine...  
JPS5544048B1  
JPS5534774B2  
JPS55105626A
PURPOSE: To stabilize and prevent the thermal decomposition of chlordane (C), a vermicide for wood in the south, by incorporating a compound, e.g. di-n-butyltin bis(2-ethylhexylmercaptoacetate), as a stabilizer into C. CONSTITUTION: Chlo...  
JPS5525169B2  
JPS5545638A
NEW MATERIAL:Exo-5-halomethyl-endo-2,3-trimethylene norbornane of formula I (X is Cl, Br or I). EXAMPLE: Exo-5-chloromethyl-endo-2,3-trimethylene norbornane. USE: Raw material of perfumery or its intermediate. The bromide is useful for t...  
JPS5436657B2
1-Phenyl- and -benzyl-2,2-dichloro-cyclopropanes of the formula (I) in which R1 denotes a hydrogen atom or a methyl, ethyl, propyl, methoxy or ethoxy group, R2 and R3 independently of one another represent hydrogen atoms or methyl, ethyl...  
JPS54130530A
NEW MATERIAL:The title compound of formula I (X1,2 are H, 1-2C lower alkyl, Cl, CN, carboalkoxyl). EXAMPLE: 5-Chloro-3-(trichloromethyl)cyclopentene. USE: A perfume component having citrous or green grass odor. It is also useful as a chl...  
JPS543719B2
1405399 Polymers of perfluoromethylenecyclopropane E I DU PONT DE NEMOURS & CO 7 March 1974 [8 March 1973] 10247/74 Heading C3P [Also in Division C2] The invention relates to poly-(perfluoromethylenecyclopropane) and a copolymer of perfl...  
JPS5414940A
Hexa chlorogyclopentadiene is prepd. by introducing in the vapour phase, chlorine and a polychlorocyclopentane of formula C5H8-x Cl2+x (where x is 0-4) into a molten salt of a mixt. of copper chlorides at 250-500 degrees C. The salt melt...  
JPS5337338B2  
JPS53105448A
Novel ethynylbenzene compounds and derivatives are described. Their use in the treatment of inflammation is also disclosed.  
JPS53103456A
PURPOSE: To purify norbornene derivs. by contacting with molecular sieve having 5-12 of pore diameter, and the activity for ring opening polymerization of the resulting derivs. is improved.  
JPS5392743A  
JPS5320981B2
4-HOMOISOTWISTYL BROMIDE HAS BIOLOGICAL ACTIVITIES TO PLANTS. It is useful as an intermediate to produce 3-acetylamino-4-homoisotwistane which has an antiviral effect and a biological activity to plants. 4-homoisotwistyl bromide is obtai...  
JPS5320030B1
1353858 Sulphones for vitamin A synthesis RHONE-POULENC SA 19 Jan 1972 [20 Jan 1971] 2582/72 Headings C2C and C2V Novel compounds (I) where R is aryl and Y is H or Q being H or a hydrocarbon radical, are made by reacting vinyl-#-ionol ei...  
JPS5318488B2  
JPS5359649A
PURPOSE: To prepare cyclohexane derivatives, useful as raw materials for organic chemicals, with one-step process by simultaneous hydrogenative reduction and addition of an aromatic hydrocarbon with an organic acid, etc. in the presence ...  
JPS5314060B2
1405399 Polymers of perfluoromethylenecyclopropane E I DU PONT DE NEMOURS & CO 7 March 1974 [8 March 1973] 10247/74 Heading C3P [Also in Division C2] The invention relates to poly-(perfluoromethylenecyclopropane) and a copolymer of perfl...  
JPS5313622B2  
JPS5312510B1  
JPS5312511B2  
JPS538681B1  
JPS535657B2
1405399 Polymers of perfluoromethylenecyclopropane E I DU PONT DE NEMOURS & CO 7 March 1974 [8 March 1973] 10247/74 Heading C3P [Also in Division C2] The invention relates to poly-(perfluoromethylenecyclopropane) and a copolymer of perfl...  
JPS52128366A
New spiro-cyclohexane derivs. are of formula (I). In (I), R1 is a fused-on six-membered carbocyclic ring; R2 and R3 are each H, or form part of a pi -bonding system within the ring, or together form a C-C bond within such a pi-bonding sy...  
JPS52111486A  
JPS5233628B1
1334980 Retinyl halides RHONE-POULENC SA 18 May 1972 [19 May 1971] 23368/72 Heading C2V Retinyl halides are obtained by reacting 1- retinol (vitamin A alcohol) or the isomer 3- retinol, with a halogenating reagent in an inert solvent and...  
JPS5233086B1
1309361 Hydrofluorination catalysts DYNAMIT NOBEL AG 1 Jan 1971 [3 Jan 1970] 148/71 Addition to 1261501 Heading B1E [Also in Division C2] Hydrofluorination catalysts are obtained by the hydrofluorination of y- and/or #-Al 2 O 3 impregnat...  
JPS52100443A  
JPS5283526A  
JPS5278801A
Prepn. comprises reacting a gaseous mixt. of a cpd. (I) and halogenated (I) with O2 in an O2-contg. gas, HCl or Cl2 and HF in presence of a Deacon catalyst on an inert metal salt support (the catalyst contains 0.6-20 wt.% cations based o...  
JPS5277047A  
JPS5273846A
PURPOSE: To prepare 3-halogeno-4-homoisotwistanes starting from 8-hydroxymethylhydroxymethyl-tricyclo [5,2,1,02,6] decane synthesized from commercially available dicyclopentadiene.  
JPS5262244A  
JPS5216111B2  
JPS5212703B2
A compound of the formula: X-Ad-Y (II) is prepared by reacting a compound: H-Ad-Y (I) with a hydrogen halide or a metal halide in 70-98 wt. % sulfuric acid in carbon tetrachloride or cyclohexane in the presence of t-butanol wherein, Ad i...  
JPS5212214B1  
JPS528307B1  
JPS5219646A
PURPOSE: 5, 6-Bischloromethylnorbornene, useful as a material of flame retardant, high-impact polymers, is prepared in high selectivity by the reaction of (di) cyclopentadiene with 1, 4-dichlorobutene at elevated temperatures.  
JPS51143652A
PURPOSE: 3-Halogeno-4-homoisotwistanes of formula II are new.  
JPS51136699A
PURPOSE: To extract and separate an excitant Perpilaneta americana Linne;l with an organic slovent from compositae plants such as a tall goldenrod, etc.  
JPS5145775Y2  
JPS51125008A
PURPOSE: Organic halide and ketone are separated without decomposition by distilling a mixture thereof with amide compound added thereto.  
JPS5133881B1  
JPS5133882B1  
JPS5133105B1
Liquid cyclopentadiene and chlorine are diluted in a polychlorocyclopentane solvent, reacting to form tetrachlorocyclopentane. The tetrachlorocyclopentane is then passed through an illuminated zone where gaseous chlorine is injected, eff...  
JPS5175034A  
JPS5163152A  

Matches 851 - 900 out of 935