[Computer-assisted structure-activity relationship analysis].
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Computers↗
Biomedical subjects
H Kühmstedt
Publications and source records attributed to H Kühmstedt.
Influences of the chemical structure on the activity of new inhibitory compounds of the angiotensin-converting enzyme.
The ACE inhibitory activity of some perimidines, chinazolinones and amidinohydrazones is described. Relations were found between the chemical structure and the inhibitory activity on the ACE.
Amidines↗
[Synthesis of amides and heterocyclic acylhydrazides with potential immunomodulator properties].
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Adjuvants, Immunologic↗
[Antianaphylactic effects of 2-hydrazino-3-arylquinazol-4-ones and 4-aryl-5-oxo-4,5-dihydro-s-triazolo[4,3-a]quinazolines].
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Animals↗
[Process for producing fluorescein for injection purposes (author's transl)].
The authors report of a process for producing high-purity fluorescein for injection purposes which is characterized by the fact that synthesis-induced by-products are separated from the raw fluorescein, obtained by any process, by means of a clean-up chain consisting in step-by-step monoacetylation in an aqueous-alkaline solution, subsequent diacetylation in pyridine or a pyridine-glacial acetic acid mixture, saponification of the diacetyl product by sodium methoxide in methanol, and precipitation of the fluorescein with anhydrous formic acid.
Drug Contamination↗
[The preparation of 2-hydrazino-3-arylquinzolones-(4)--synthesis of compounds with an aminoguanidine structure].
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Chemical Phenomena↗
[Synthesis of compounds with aminoguanidine structure. 4. 4-Aryl-s-triazolo[4,3-a].(5)quinazoline].
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Methods↗
[Synthesis of compounds with aminoguanidine structure. 5. 1-Methyl-4-aryl-s-triazolo[4,3-a](5)quinazolone, 1,4-diaryl-s-triazolo[4,3-a](5)quinazolone and 4-aryltetrazolo[1,5-a](5)quinazolone].
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Chemical Phenomena↗
[Synthesis of basic replaced benzoic acid esters with potential antiproteolytic effect].
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Amidines↗
[Synthesis of amidinobenzoic acid- and amidinobenzylsulfonic acid esters with antiproteolytic activity].
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Amidines↗
[Synthesis of esters of guanidinobenzoic acids and guanidinomethylbenzoic acids with antiproteolytic activity].
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Alcohols↗
[Acid hydrolysis of N-(tetrahydropyranyl-(2))-, N-(tetrahydrofuranyl-(2))- and N-(tetrahydrothiopyranyl-(2))-derivatives of different hydroxy- and mercapto-pi-deficient-heteroaromates. 36. "Glycosides of heterocycles"].
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Chemical Phenomena↗
[On some tetrahydropyranyl-(2)-derivatives of hydroxybenzamides].
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Amides↗
[Pharmacologic spectrum of guanylhydrazones (proceedings)].
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Animals↗
[Simplified method for preparing 2-mercapto-3-arylquinazolones].
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Methods↗
[4-Aryl-5-oxo-1-thioxo-1,2,4,5-tetrahydro-s-triazolo[4,3-a]-quinazolines and derivatives. 2. Synthesis of compounds with an aminoguanidine structure].
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Guanidines↗
[1,5-Dioxo-4-aryl-2,4,5-tetrahydro-s-triazolo[4,3-a]-quinazolines and 1-ethoxycarbonylmethyl-4-aryl-s-triazolo[4,3-a]-quinazolones-(5). 3. Synthesis of compounds with an aminoguanidine structure].
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Guanidines↗