PL285590A1
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1991-09-23
Method of obtaining novel imidazolilalkenic acids
RU1769757C
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1992-10-15
Method of 1
IL87185A
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1993-06-10
Preparation of quinolone- carboxylic acids
GB8813104D0
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1988-07-06
Process for preparation of 1 2 5 6 9 10-hexabromocyclododecane
IL81457A0
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1987-09-16
Preparation of carboxylic acid amides
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1989-08-14
Method of acids' amides preparation
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1989-09-12
Method of 2-benzothiazolsulphenic acid's sulphenamides preparation
IE891202L
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1989-10-16
Process for the preparation of n-acylamino acids
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1990-03-14
Method of dioxazocine's derivatives production
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1990-07-12
Method of l-diaminocarboxyl acid's ester production
GB2223492B
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1992-01-02
Preparation of carboxylic acid amides
EP0312922A3
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1990-01-31
Oxethylsulfonyl-nitro- or -amino-benzoic acids and process for their preparation
CS837487A1
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1989-09-12
Method of cyclopropanecarboxylic acids' alpha-cyanobenzylesters' enantiomeric pairs preparation
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1989-05-12
Method of 3/2-ethylio-6-benzothiazolylaminomethyl/-2-benzothiazolinethione preparation
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1991-07-16
Method of halogencarboxyl acids' benzylesters preparation
CS666387A1
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1989-09-12
Method of n-acylamino acids' 2-naphthylamides and their 4-methoxyderivatives preparation
CS979386A1
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1989-05-12
Method of aryloxyalkanecarboxylic acids preparation
CS641987A1
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1989-10-13
Method of n-phenylmaleimic acids preparation
CS8900831A1
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1990-11-14
Method of 7-aminocephalosporaneic acid's preparation
CS557888A1
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1989-08-14
Amides of substituted 3-phenyl-2-propene acids and method of their preparation
CS612488A1
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1989-09-12
Method of alpha-dialkylaminoacrylic acid's esters preparation
CS558788A1
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1989-08-14
Method of 4-chloro-2-methylphenoxyalkane acids preparation
CS257489A1
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1990-12-13
Method of 4-biphenylyl-4-oxo-2-methylbutanoic acids preparation
PL268985A1
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1989-05-30
Method of obtaining -amino-/3-alkylphenyl/alkylacetic acids
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1990-12-14
Amides of benzoxazolonyl- 3- acetic acid and method for its preparation