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JPH0323560B2 |
A method for the total synthesis of cyclosporins, in particular Cyclosporin A, cyclosporins produced in accordance with the method of the invention and novel intermediates, in particular novel [1S, 2R, 3R]- and [1R, 2S, 3S]-1-nitrilo-1-c...
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JPH03501384A |
Multimethyl cyclohexene or cyclohexane derivatives having woody, spicy, amber or violet odors are disclosed. The derivatives can be formulated into perfurmes, talcs, lotions, cremes and air fresheners.
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JPH0366634A |
PURPOSE: To obtain an octadienol with a high space time yield, by reacting 1,3-butadiene with water under the existence of a catalytic system contg. a Pd compd., a triorgano-P compd. and CO and under the coexistence of a triorganophosphi...
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JPH0321549B2 |
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JPH0363237A |
PURPOSE: To obtain the subject substance effectively used as a starting substance for the synthesis of starting agent-transfer-reagent, economically on an industrial scale, by separating a mixture of the subject substance and its cis iso...
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JPH0318601B2 |
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JPH0356431A |
NEW MATERIAL:A compound expressed by formula I [R1 is halogen, (protected amino, hydrazino, aminophenoxy, (protected) OH, etc.; R2 is halogen, alkylamino, (protected) amino, (protected) hydrazino, etc.; R3 is H, alkyl, halogen, CN, carbo...
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JPH0352883A |
NEW MATERIAL:A compound shown by formula I (R is -CHO or group shown by formula II). USE: An intermediate useful for production of brefeldin Cs, one of cyclopentanemacrolide having action on gram-positive bacteria. PREPARATION: A lactol ...
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JPH0352833A |
PURPOSE: To prepare a polyol especially useful as a raw material for polymers or a raw material for synthesizing other chemical compounds in a high conversion and in a high yield by reacting a polyene with an oxygen-containing gas in the...
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JPH0316934B2 |
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JPH0316933B2 |
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JPH0316928B2 |
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JPH0316932B2 |
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JPH0316935B2 |
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JPH0316251B2 |
Tyres are retreaded by using a pre-vulcanised tread and an uncured layer of rubber between this and the carcass, the rubber being cured by applying high frequency from above the tread. This rubber is also locally heated at or near its ed...
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JPH0315610B2 |
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JPH0348633A |
NEW MATERIAL:The compound of formula [R is CO2R1 (R1 is 1-4C alkyl or phenyl), hydroxymethyl, formyl or C(CN)HOR2 (R2 is H, trimethylsilyl or 1- ethoxyethyl); X is halogen or OSO2R3 (R3 is (substituted) 1-4C alkyl or phenyl); the double ...
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JPH0348663A |
NEW MATERIAL: A compound of formula I [wherein R1 is halogen, phenyl, Z-R3 (wherein Z is O, S, SO or SO2; and R3 is alkyl, phenyl, etc.); R2 is alkenyl, furyl, thienyl, formula II (wherein R4 is difluoromethoxy, CN, formyl or phenoxyalky...
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JPH0343497A |
PURPOSE: To enable a polycyclic ether to be prepd. on a large scale in a cost-effective manner and to be prepd. in a desired isomeric form by conducting cyclization using an acid agent of a particular unsatd. compd. CONSTITUTION: Cycliza...
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JPH0314008B2 |
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JPH0314006B2 |
Polyprenols or esters thereof, which are similar in the trans and cis configurations to dolichol, or mixtures thereof are obtained from the leaves of plants belonging to the genus Pinus L. of the family Pinaceae by extraction, if necessa...
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JPH0314009B2 |
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JPH0314007B2 |
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JPH0341048A |
NEW MATERIAL: A compd. represented by formula I (wherein W is 4- trifluoromethoxy or 4-methoxymethyl). EXAMPLE: 4-methoxymethyl-α,α,α-trifluoroacetophenone. USE: This new material is useful as a starting compd. and an intermediate for...
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JPH0334952A |
PURPOSE: To easily obtain the title compound which is useful as a perfume substance with no use of expensive substances by catalytic hydrogenation of 2,4-hexadienal dialkyl acetal in the presence of a catalyst. CONSTITUTION: 2,4-Hexadien...
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JPH036133B2 |
Novel liquid crystal compounds which are useful as a component constituting liquid crystal compositions and particularly capable of broadening the liquid crystal temperature range of the compositions due to high clearing point of the com...
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JPH035417B2 |
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JPH0314526A |
PURPOSE: To obtain the subject substance useful as precursor of raw material of liquid crystal in high yield and with simple post-treatment by reacting phenyl Grignard reagent and aldehyde to obtain non-phenyl alcohol and decomposing res...
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JPH034056B2 |
Compounds of the formula (I)or monomethyl or monoethyl ethers thereof, the compounds of formula (I) including their ethers containing no more than 30 carbon atoms in total, or esters or salts thereof; wherein Aris perylene,fluoranthene, ...
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JPH032849B2 |
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JPH032868B2 |
1,2,3,4,4a,4b,5,6,7,8,8a,12b-Dodecahydro-7-(oxo, hydroxy or amino)-9-hydroxy-11-(alkyl, alkoxy or alkoxyalkyl)triphenylenes, 2,3,3a,3b,4,5,6,7,7a,11b-decahydro-6-(oxo, hydroxy or amino)-8-hydroxy-10-(alkyl, alkoxy or alkoxyalkyl)-1H-cycl...
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JPH032129B2 |
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JPH03858B2 |
Ether derivs. of formula Ar(CH2)nO-(CH2)mX (I), their solvates and salts, are new. m=2-8, n=1-7, such that m+n=4-12. Ar=phenyl opt. substd. by 1 or 2 halogen, 1-3C alkyl or alkoxy groups, or an alkylenedioxy group. -O(CH2)pO- p=1 or 2, X...
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JPH03132A |
PURPOSE: To stably and uniformly form a very thin film of a multimolecular host compd. on a substrate by supporting the host compd. having enclosing ability on the substrate with an amphiphilic surfactant type molecule in-between. CONSTI...
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JPH0262528B2 |
1535879 Perfume compositions POLAKS FRUTAL WORKS INC 1 June 1977 [4 Aug 1976] 23136/77 Heading A5B [Also in Division C2] A perfume composition contains as odorant a propene trimer alcohol or an ester thereof with a C 1 -C 4 carboxylic acid.
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JPH0261520B2 |
Described are methods for augmenting or enhancing the aroma of perfumes and perfumed articles by adding thereto perfume aroma augmenting or enhancing quantities of C10-branched olefin mixtures produced by dimerizing isoamylene, (2-methyl...
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JPH02304035A |
PURPOSE: To obtain the subject substance having higher added value as a food additive, a cosmetic component, etc., by heating a primary allyl alcohol or its ester in an organic solvent in the presence of an acid sulfate. CONSTITUTION: Th...
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JPH0260653B2 |
Tricyclic benzo fused compounds of the formula (I) and pharmaceutically acceptable cationic and acid addition salts thereof, wherein n is zero, 1 or 2, and t is 1 or 2; M is CH or N, R1 is H or certain acyl groups; Q is CO2R4, COR5, C(OR...
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JPH02289591A |
NEW MATERIAL: A compound of formula I [Me is a tetravalent Ti, Zr or Hf; R1 is an alkyl, an alkenyl, a (substituted) cycloalkyl or the like; R2 is a (substituted) cyclopentadienyl or indenyl; Y is C, Si or -Si-O-R3R4-; R3 and R4 are each...
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JPH0256336B2 |
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JPH02288841A |
NEW MATERIAL:A compound expressed by formula I [Rf is formula II (R1 to R7 are F or CnF2n+1; n is 1-3), formula III (R8 to R12 are F or CnF2n+1; n is 1-3) or formula IV (R13 and R14 are F or CnF2n+1; R15 is CnF2n+1; l is 1-9; m is 0-24);...
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JPH02286640A |
NEW MATERIAL:A compound of formula I [X is -CHO, CO2H or CH2OR (R is tetrahydropyranyl ether or H) : Y is CHO,-CO2H or-CH2OR, being E or Z type] and its derivative. EXAMPLE: 2(E)-(4-methyl-3-pentenyl)-butenedial. USE: Anti-phytopathogeni...
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JPH0254334B2 |
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JPH0253410B2 |
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JPH02273630A |
PURPOSE: To obtain the subject compound in high yield and to simply carry out post-treatment of waste water formed by reacting a Grignard reagent with benzaldehyde to give 1-phenyl alcohol and then subjecting 1-phenyl alcohol to hydrogen...
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JPH02268125A |
NEW MATERIAL:A cyclohexylidene compound shown by formula I (R1 and R2 are H, lower alkyl, acetyl, hydroxymethyl, lower alkoxycarbonyl or aldehydo; R3 is H, lower alkyl or phenyl; R4 and R5 are H or lower alkyl; R6 and R7 are H, hydrogen ...
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JPH02264736A |
PURPOSE: To produce the subject compounds which are intermediates for medicines, agricultural chemicals, etc., in good yield using simple operation by subjecting a styrene derivative and catechol borane to asymmetric hydrooration oxidati...
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JPH02261388A |
NEW MATERIAL: To obtain a compound represented by the formula (R1 and R2 are each H or together form a double bond; R3 is oxo or OH, except that R1 and R2 are each H and R3 is oxo) USE: A hydroxymethylglutaryl-coenzyme A (HMG-CoA) reduct...
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JPH02258743A |
NEW MATERIAL:The compound of formula I (R is alkyl). EXAMPLE: 1,2,3,6,7,8-Hexahydropyrene-2,2,7,7-tetracarboxylic acid tetraethyl ester. USE: Useful as a raw material for the production of a monomer for polyesters or polyethers or a surf...
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JPH02255385A |
PURPOSE: To reduce a safety problem by incorporating a sufficient amount of at least one type of terpene hydrocarbon to remove all uncured photopolymers while exposing the plate containing a cured photopolymer part and an uncured polymer...
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