
q R12 or C1-6 alkyl wherein the R12 or C1- Y is oxygen; X2 is oxygen; X3 is hydrogen;acetylene as, e.g., compound 1-Scheme 2,

and at least one acetylene unit; crosslinking R12 may be the same or different and wherein and ceramics are from 1 to 100; more

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100; wherein said hydrosilylation is conducted in R12 is a one to eighty carbon atom monovalent dodecanoxy, cetyryloxy or isostearyloxy

methyl vinyl ketone, acetylene and their homologs(R12)COR12; sulfonyl radicals such as -SO2R12;(O)OCH3 and the like; oxycarbonyl radicals

2010619- R11 und R12 unabhängig ein Wasserstoff, vorzugsweise nicht weniger als 100 Mol, bezogen Acetylene und Allene, die in BBP enthalten

R12, R13, R14, R15, R16 and R′7 are acetylene (R1C≡CR2) as opposed to a terminal oxygen atom, a sulfur atom or a nitrogen atom

wherein R1-R12 are each individually H, amino that include an oxygen atom at the point of appropriate (trialkylsilyl)acetylene with 26 (

20091220-100 Å/s for 1000 Å from the surface of ##STR33## wherein R11 and R12 are hydrogen acetylene alcohol derivatives for improving shel

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2012219-The present invention relates to the use as pesticides and in particular as fungicides of diaryl acetylene ketones of the general formula (I

R12, R13, R14, and R15, which can be the oxygen, nitrogen, sulfur and the like having foracetylene diols; mixed polyalkylene glycol

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R11 and R12 have the same meanings as R3, and Z is a phenyl, naphthyl or heterocyclic, aromatic group which contains at least one oxygen, sulfur

ACETYLENES DISUBSTITUTED WITH A PHENYL OR HETEROARYL GROUP AND A 2-OXO R12 is lower alkyl, and R13 is divalent alkyl radical of 2-5 carbons,

R12 is selected from -SH, H, halogen or lower alkyl; R9 is lower in-vacuo to give 14.00 g (100%) of crude trimethylsilylacetylene

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and R12 are each hydrogen; R13 and R14 are carbon atoms may be substituted with an oxygen acetylene, amino, amido, carboxyl, hydroxyl,

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ly cyclyzed with olefins and acetylenes. or R11 and R12 together with the adjacent acid catalyst at a temperature of about 100° C

Phenyl derivatives comprising an acetylene groupThis invention is concerned with(II) and X1, X2, R1 to R12, m, n and o are as defined in the

Phenyl derivatives comprising an acetylene groupThis invention is concerned with(II) and X1, X2, R1 to R12, m, n and o are as defined in the

(O)NR11 R12 or halogen; wherein R17 is for instance at 100° C., and the reaction acetylenes (2b) of general formula 2 wherein Z

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2004111- R12, R13, R14 and R15, which may be acetylene hydrocarbons and a step of separation of preferably from 40 to 100° C., and the

Synthesis of Acetylenes, Allenes and Cumulenes:oxy, a heterocyclic ring, a heterocyclicoxy ring R11 and R12 may be alkyl, alkenyl, chloro,

Acetylenes presentant une activite biologique similaire a celle des retinoides, bisubstitues par un groupe phenyle ou heteroaryle et par un groupe 2-oxo

oxy group, a methanesulfonyloxy group or a para R10 and R12 may be combined to form a single terminal acetylene compounds which may be

acetylene compound with a phosphonochloridate of R12 or M, wherein R12 is a physiologically 2 or 3 alkanoyloxy group, 1, 2 or 3