Patent classifications
C07C251/06
CINCHONINE-DERIVED CATALYSTS AND METHODS OF USING SAME
The present invention includes certain conchinine-derived phase-transfer catalysts of formula (I), compositions comprising the same, and methods of promoting asymmetric addition reactions using the same.
##STR00001##
CINCHONINE-DERIVED CATALYSTS AND METHODS OF USING SAME
The present invention includes certain conchinine-derived phase-transfer catalysts of formula (I), compositions comprising the same, and methods of promoting asymmetric addition reactions using the same.
##STR00001##
PHENYLACETIC ACID DERIVATIVE, USE THEREFOR, AND PRODUCTION INTERMEDIATE THEREOF
The present invention provides a compound represented by formula (I) wherein a combination of X and L represents a combination wherein X represents a nitrogen atom and L represents an oxygen atom or NH, etc., n is 1 or 2, E represents a C6-C10 aryl group, etc., R.sup.1 and R.sup.2 are identical to or different from each other and each represents a C1-C3 chain hydrocarbon group which may be optionally substituted with one or more halogens, etc.]
which has an excellent control efficacy against pests, or its N-oxide or salts of the same.
##STR00001##
PHENYLACETIC ACID DERIVATIVE, USE THEREFOR, AND PRODUCTION INTERMEDIATE THEREOF
The present invention provides a compound represented by formula (I) wherein a combination of X and L represents a combination wherein X represents a nitrogen atom and L represents an oxygen atom or NH, etc., n is 1 or 2, E represents a C6-C10 aryl group, etc., R.sup.1 and R.sup.2 are identical to or different from each other and each represents a C1-C3 chain hydrocarbon group which may be optionally substituted with one or more halogens, etc.]
which has an excellent control efficacy against pests, or its N-oxide or salts of the same.
##STR00001##
Novel Imine
A compound of formula (I)
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Novel Imine
A compound of formula (I)
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PROCESS AND INTERMEDIATES FOR THE PRODUCTION OF 17(20)-ENE B-SECO STEROIDS
##STR00001##
The invention pertains to a process for producing a compound of formula (11) wherein R.sup.7 and R.sup.8 are each independently selected from H, halogen, alkyl, aryl, or alkylaryl, R.sup.42 is H or a protective group, R.sup.43 is H or R.sup.3, wherein R.sup.3 is a protective group, by contacting a compound of formula (10) with an olefmation reagent, wherein compound of formula (10) comprises a counter acid X.sup.1 when R.sup.42H and R.sup.43H.
PROCESS AND INTERMEDIATES FOR THE PRODUCTION OF 17(20)-ENE B-SECO STEROIDS
##STR00001##
The invention pertains to a process for producing a compound of formula (11) wherein R.sup.7 and R.sup.8 are each independently selected from H, halogen, alkyl, aryl, or alkylaryl, R.sup.42 is H or a protective group, R.sup.43 is H or R.sup.3, wherein R.sup.3 is a protective group, by contacting a compound of formula (10) with an olefmation reagent, wherein compound of formula (10) comprises a counter acid X.sup.1 when R.sup.42H and R.sup.43H.
3-substituted phenylamidine compounds, preparation and use thereof
The present invention disclosed 3-substituted phenylamidine compounds of general formula (I), wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.4a, R.sup.4b, A and E have the same meanings as defined in description. The present invention further discloses methods for their preparation and use of the compounds of general formula (I) as a crop protection agent. ##STR00001##
3-substituted phenylamidine compounds, preparation and use thereof
The present invention disclosed 3-substituted phenylamidine compounds of general formula (I), wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.4a, R.sup.4b, A and E have the same meanings as defined in description. The present invention further discloses methods for their preparation and use of the compounds of general formula (I) as a crop protection agent. ##STR00001##