51552-62-6Relevant academic research and scientific papers
3-Quinuclidinyl-α-methoxydiphenylacetate: A multi-targeted ligand with antimuscarinic and antinicotinic effects designed for the treatment of anticholinesterase poisoning
Bird, Mike,Gore, Samuel J.,Green, A. Christopher,Lindsay, Christopher D.,Rice, Helen,Tattersall, John E. H.,Timperley, Christopher M.,Whitmore, Charlotte L.
, (2020)
Racemic 3-quinuclidinyl-α-methoxydiphenylacetate (MB266) was synthesised. Its activity at muscarinic acetylcholine receptors (mAChRs), and muscle and neuronal nicotinic acetylcholine receptors (nAChRs), was compared to that of atropine and racemic 3-quinu
Herbicides comprising benzoylcyclohexanediones and safeners
-
, (2008/06/13)
Herbicidal compositions are described that comprise active substances from the group of the benzoylcyclohexanediones and also safeners. These herbicidal compositions are especially suitable for use against weed plants in crop plant cultures.
Combination of herbicides and safeners
-
, (2008/06/13)
A herbicidally active composition comprises a mixture of A. a herbicidally effective amount of one or more compounds of the formula (I), ?and B. an antidote-effective amount of one or more compounds of the formulae (II) to (IV),
COMBINATIONS OF HERBICIDES AND SAFENERS
-
, (2008/06/13)
There are described herbicidal compositions which comprise at least one herbicidally active compound of the formula (I) and at least one crop-plant-protecting compound as safener. In this formula (I), V is an optionally substituted radical selected from the group consisting of isoxazol-4-yl, pyrazol-4-yl, cyclohexane-1,3-dion-2-yl and 3-oxopropionitril-2-yl and R9 is nitro, amino, halogen or a carbon-containing radical. The group of the safeners contains, for example, 2,4-D, cyometrinil, dicamba, dymron, fenclorim, flurazole, fluxofenim, lactidichlor, MCPA, mecoprop, MG-191, oxabetrinil, methyl diphenylmethoxyacetate, 1-[4-(N-2-methoxybenzoylsulfamoyl)phenyl]-3-methylurea, 1,8-naphthalaic anhydride, 1-[4-(N-2-methoxybenzoylsulfamoyl)phenyl]-3,3-dimethylurea, 1-[4-(N-4,5-dimethylbenzoylsulfamoyl)phenyl]-3-methylurea, 1-[4-(N-naphthoylsulfamoyl)phenyl]-3,3-dimethylurea, (4-chlorophenoxy)acetic acid, 4-(2,4-dichlorophenoxy)butyric acid, 4-(4-chloro-o-tolyloxy)butyric acid, 4-(4-chlorophenoxy)butyric acid, in each case their acids and esters, N-acylsulfonamides, N-acylsulfamoyl-benzamides, in each case, if appropriate, also in salt form and in each case optionally substituted 1-phenylpyrazoline, 1-phenylpyrazole, 1-phenyl-triazole, 5-phenylisoxazoline and 5-phenylmethylisoxazoline-3-carboxylic esters and 2-(8-quinolinyloxy)acetic acid derivatives.
Single and double reductive cleavage of C-O bonds of aromatic dimethyl acetals and ketals: Generation of benzylic mono- and dicarbanions
Azzena,Melloni,Pisano,Sechi
, p. 6759 - 6762 (2007/10/02)
The reductive cleavage of aromatic dimethyl acetals and ketals, 1, with Li metal in THF at low temperature allows the generation of stable α-alkoxy-α-arylsubstituted carbanions, avoiding the Wittig rearrangement. Reaction of these carbanions with various electrophiles afforded the expected products 2. Further in situ reaction of compounds 2 afforded the products of reductive electrophilic disubstitution, 3.
Nucleophilic substitution in diphenylmethyl derivatives. II. Methanolysis of α substituents of diphenylacetic acid and its derivatives
Strazzolini, Paolo,Poiana, Marco,Verardo, Giancarlo,Giumanini, Angelo G.
, p. 283 - 289 (2007/10/02)
The nucleophilic displacement of α substituents of diphenylacetic acid and its methyl ester by MeOH under a variety of experimental conditions allowed us to establish that the reaction occurs rapidly in one of the following structural combinations: (a) carboxylate anion and a good leaving group; (b) carboxylic group and a less reactive leaving group; (c) methyl ester and a proton-activated, poor leaving group.The importance of internal hydrogen bonding (case b) was the governing factor in the outcome of the reaction of hydroxydiphenylacetic acid (3a) and its methyl ester 3b with acetyl chloride.The key intermediate in substitution at the α carbon is thought to be a carbocation stabilized both by the attached phenyl groups and, to a smaller extent, by the carboxyl group.
Electrochemical Hydroxylation, Methoxylation, and Hydroxymethylation of Active Methine Compounds
Kawabata, Jin-ichi,Nozawa, Koohei,Kawai, Ken-ichi,Nakajima, Shoichi
, p. 181 - 183 (2007/10/02)
Hydroxylation, methoxylation, or hydroxymethylation at the active methine group of phenylmalonate, benzylmalonate and diphenylacetate were achieved by anodic oxidation.
Diaryldichlorocarbonyl Ylides Derived from Dichlorocarbene and Aromatic Ketones
Martin, Charles W.,Gill, Harpal S.,Landgrebe, John A.
, p. 1898 - 1901 (2007/10/02)
The thermal decomposition of phenyl(bromodichloromethyl)mercury (4) in the presence of benzophenone (2) in dry benzene at 80 degC resulted in α-chlorodiphenylacetyl chloride (6) as the only major initial product together with small amounts of dichlorodiphenylmethane (5) and carbon monoxide.Analogous products were observed from fluorenone (3).Dimethyl acetylenedicarboxylate (15) failed to trap the presumed intermediate dihalocarbonyl ylide from either ketone.Attempts to explain the difference in behavior between dihalocarbonyl ylides derived from benzaldehydes and diaryl ketones suggest that in the latter case a twist in the plane of the ylide caused by endo,endo interactions of a chlorine and an aromatic ring leads to rapid closure to oxirane 11 followed by rearrangement to acid chloride 6.Alternative explanations are also explored.
HYPERVALENT IODINE IN ORGANIC SYNTHESIS. A NEW ROUTE TO α-FUNCTIONALIZED CARBOXYLATE ESTERS.
Moriarty, Robert M.,Hu, Henry
, p. 2747 - 2750 (2007/10/02)
Aryl and alkylcarboxylate esters are converted into the corresponding α-hydroxy acids or α-alkoxyesters upon treatment with C6H5I(OAc)2 and base in the appropriate solvent.
