24337-52-8Relevant academic research and scientific papers
Ester compound and its manufacturing method, a thermoplastic resin plasticizers, as well as, the thermoplastic resin composition (by machine translation)
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Paragraph 0075, (2020/10/23)
[Problem] thermoplastic resin having excellent plasticizing efficiency for a novel ester compound of plasticizers used. The ester compound represented by the formula [a];(In the formula, C1 , C2 The carbon atom, A1 , Asub
New bicyclic dioxanes, their preparation and their use as organoleptic compounds
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, (2011/04/14)
The present invention relates to novel 1,3-dioxane derivatives of formula (I) wherein each of R1 and R2 is a hydrogen atom, R3 and R4 are independently a hydrogen atom, a linear or branched C1-C6 alkyl group, or a linear or branched C2-C6 alkenyl group, and R5 is a linear or branched C1-C6 alkyl group, a linear or branched C2-C6 alkenyl group or a (CH2)0-2 - aryl group, and R6 and R7 are independently a hydrogen atom, a linear or branched C1-C6 alkyl group, a linear or branched C2-C6 alkenyl group or a (CH2)0-2 - aryl group, or R6 and R7 together with the carbon atom to which they are attached form a C5-C6 cycloalkyl group or a C5-C6 cycloalkenyl group, substituted or not; their preparation and their use as organoleptic compounds.
NEW BICYCLIC DIOXANES, THEIR PREPARATION AND THEIR USE AS FRAGRANT COMPOUNDS
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Page/Page column 12, (2011/02/24)
The invention is directed to the use of compounds of formula (I), as fragrant agents. In this formula: - R3 and R4 are independently a hydrogen atom, a C1-C6 alkyl group or a C2-C6 alkenyl group, R5 is a C1-C6 alkyl group, a C2-C6 alkenyl group or a (CH2)0-2-aryl group, R6 is a C1 -C6 alkyl group, a C2-C6 alkenyl group, a (CH2)0-2-aryl group or a C5- C6 cycloalkyl or cycloalkenyl group, and R7 is a hydrogen atom, a C1-C6 alkyl group or a C2-C6 alkenyl group; or R3, R4 and R5 are as above defined, and R6 and R7 together with the carbon atom to which they are attached form a C5-C6 cycloalkyl or cycloalkenyl group.
Half-sandwich ruthenium(ii) picolyl-nhc complexes: Synthesis, characterization, and catalytic activity in transfer hydrogenation reactions
Fernandez, Francys E.,Puerta, M. Carmen,Valerga, Pedro
experimental part, p. 5793 - 5802 (2012/01/14)
Pentamethylcyclopentadienyl ruthenium(II) complexes with picolyl-functionalized N-heterocyclic carbenes [(η5-C 5Me5)-Ru(L)(CH3CN)][PF6] (L = 3-methyl-1-(2-picolyl)imidazol-2-ylidene (1a), 3-isopropyl-1-(2-picolyl) imidazol-2-ylidene (1b), 3-phenyl-1-(2-picolyl)imidazol-2-ylidene (1c), 3-mesityl-1-(2-picolyl)imidazol-2-ylidene (1d), 3-methyl-1-(2-picolyl) benzoimidazol-2-ylidene (1e), 3-methyl-1-(2-picolyl)-4,5-dichloroimidazol-2- ylidene (1f)) have been synthesized and characterized. Compounds 1a,b were recrystallized as BAr4 F salts (anion BAr4 F- = tetrakis(3,5-bis(trifluoromethyl)phenyl)borate), giving 2a,b. X-ray crystal structures of the acetonitrile adduct 2a and the dioxygen compound 2b are also reported. Furthermore, carbonyl derivatives 3a-f have been prepared, characterized, and used to study the donor properties of the picolylcarbene ligands(l) via infrared spectroscopy. Compounds 1a-f show catalytic activity in transfer hydrogenation of ketones. Notably, complex 1a was found to be a very efficient and versatile catalyst toward transfer hydrogenation of a wide range of ketones and imines.
STEREOSELECTIVITY IN THE HYDROBORATION OF CHIRAL CYCLOHEXANE-DERIVED ALLYLIC ALCOHOLS
Birtwistle, David H.,Brown, John M.,Foxton, Michael W.
, p. 4367 - 4370 (2007/10/02)
The isomeric 2-ethylidenecyclohexanols are hydroborated by t-hexylborane with weak stereoselectivity whilest 1-(1'-hydroxyalkyl)cyclohexenes show up to 50:1 discrimination.
THE DIMESITYLBORON GROUP IN ORGANIC SYNTHESIS 8. PREPARATION OF 1,3-DIOLS FROM OXIRANES
Pelter, Andrew,Bugden, Gina,Rosser, Richard
, p. 5097 - 5100 (2007/10/02)
Alkyldimesitylboranes, yield anions, Mes2BCHR, that on reaction with oxiranes followed by oxidation give 1,3-diols.These anions are thus the operational equivalent of RCHOH.The scope and limitations of the new process are delineated.
