摘要:
A method of preparing 1-azabicyclo[2.2.2]octanes or 1,4-diazabicyclo[2.2.2.]octanes by contacting acyclic or heterocyclic amines with a high-silica zeolite having a silica to alumina ratio of at least 20 to 1.
摘要:
Provided are compounds of the structure: and pharmaceutically acceptable salts thereof, wherein R 1 , R 3 , R 5 and R 6 are independently H, alkyl, aralkyl, aryl, substituted aryl, heteroaryl, substituted heteroaryl, alkenyl, alkynyl, hydroxy, hydroxyalkyl, alkoxy, mercapto, mercaptoalkyl, alkylthio, amino, alkylamino, aminoalkyl, formyl, carboxy, carbalkoxy, alkanoyl, cyano, nitro, halo, trifluoromethyl, alkylsulfonyl, aminosulfonyl, carbamoyl or cycloalkyl; and R 7 is H, alkyl, aryi, aralkyl, oxo, or alkanoyl; wherein at least one of R 1 , R 5 or R 6 is an aryl, heteroaryl, or heteroaryl substituted with H, alkyl, halo, amino, trifluoromethyl or cyano.
摘要:
Verfahren zur Aromatisierung gesättigter stickstoffhaltiger fünf- und sechsgliedriger Heterocyclen durch Dehydrierung in der Gasphase, in Gegenwart eines Palladium-Trägerkatalysators, der ein Erdalkalihalogenid enthält, bei einer Temperatur von 150 bis 350°C und bei einem Druck von 0,1 bis 10 bar.
摘要:
The compound of the formula wherein X is a cyclic group which may optionally be substituted; Y is a carboxyl group which may optionally be esterified or amidated; Z is -CH=CH-CH= C H-, -S-(CH 2 ) ℓ -S-(ℓ is an integer of 1 to 3), -N=CH-CH=Nor -(CH 2 ) m - (m is an integer of 3 to 5); ring A may optionally be substituted with halogen, nitro, amino, alkanoylamino, alkoxycarbonyl, carboxyl or carbamoyl; and n is an integer of 1 to 3, and salts thereof. The compounds strong antianxiety effect to mammalian animals and are useful for the prevention of treatment of disease such as psycho matic disease and anxiety neurosis.
摘要:
The invention relates to a group of novel electrochromic compounds. More specifically, it relates to electrochromic polycyclic compounds comprising a five, six or seven-membered ring, wherein said polycyclic compounds contain at least two nitrogen atoms in their cyclic central core. It also relates to the use of these compounds as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens.
摘要:
Primarily, the present invention relates to compounds of the formula (I) defined below and to the use thereof as herbicides, in particular for controlling broad-leaved weeds and/or weed grasses in crops of useful plants and/or as plant growth regulators for influencing the growth of crops of useful plants. The present invention further relates to herbicidal or plant growth-regulating compositions comprising one or more of the compounds of the formula (I). Moreover, the present invention relates to methods for producing the compounds of the formula (I).