Zobrazeno 1 - 10
of 198
pro vyhledávání: '"B, Proksa"'
Autor:
B. Proksa
Publikováno v:
Monatshefte f�r Chemie Chemical Monthly. 124:953-957
(Z)-Narceine imide (1) reacted with 1,2-epoxypropane to narceone imide (2) and with an excess of epoxide to N-(2-hydroxypropyl)narceone imide (3). Cyclization of3 in acidic media afforded two isomers of 8,14-dimethyl-11,12-methylenedioxy-3,4,10-trime
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::486b3e3763bb4fcfabb4ea9ce665b538
https://doi.org/10.1007/bf00816418
https://doi.org/10.1007/bf00816418
Autor:
B. Proksa
Publikováno v:
ChemInform. 25
(Z)-Narceine imide (1) reacted with 1,2-epoxypropane to narceone imide (2) and with an excess of epoxide to N-(2-hydroxypropyl)narceone imide (3). Cyclization of3 in acidic media afforded two isomers of 8,14-dimethyl-11,12-methylenedioxy-3,4,10-trime
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7307e58a0e79db68031680df18a7b69e
https://doi.org/10.1002/chin.199421241
https://doi.org/10.1002/chin.199421241
Publikováno v:
Die Pharmazie. 63(7)
Cyclohexadepsipetides enniatin B, B1 and G were isolated from the cultivation broth of Fusarium dimerum Penzig, an endophyte of Magnolia x soulangeana. Their production was about 350 mg l(-1) after 96 h of submerged cultivation in Sabouraud maltose m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::c4eede66a988fed660af70c01dabd8b0
https://pubmed.ncbi.nlm.nih.gov/18717491
https://pubmed.ncbi.nlm.nih.gov/18717491
Publikováno v:
Die Pharmazie. 62(8)
Enniatins are N-methylated cyclohexadepsipeptides (CHDPs), composed of three units each of N-methylated branched-chain L-amino acid and D-2-hydroxy acid arranged in an alternate fashion. These low-molecular secondary metabolites are produced by Fusar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::13a1f9da4706123f923bf92589bd97f2
https://pubmed.ncbi.nlm.nih.gov/17867547
https://pubmed.ncbi.nlm.nih.gov/17867547
Autor:
B, Proksa, A, Proksová
Publikováno v:
Die Pharmazie. 55(5)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::6a91ca5aa8c6ff8b00b5e34ca46269e4
https://pubmed.ncbi.nlm.nih.gov/11828625
https://pubmed.ncbi.nlm.nih.gov/11828625
Publikováno v:
Chirality. 13(9)
The relative configuration of the two xanthene units of neosartorin, a new ergochrome biosynthesised by the soil mould Neosartorya fischeri, was determined using a 1D double-pulsed field gradient spin-echo NOESY experiment. It was found that both uni
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::de767f3318e97ea4bd52e8861d7c87ee
https://pubmed.ncbi.nlm.nih.gov/11579447
https://pubmed.ncbi.nlm.nih.gov/11579447
Publikováno v:
ChemInform. 32
Vermiculine (1), is a macrodiolide which displays a selective effect on certain reactions of cellular immunity. This paper summarizes data on its biological activity, isolation, microbial production, chemical properties and methods for its synthesis.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c19915352f29fa199625e3421cb1cf3
https://doi.org/10.1002/chin.200106224
https://doi.org/10.1002/chin.200106224
Autor:
B, Proksa
Publikováno v:
Ceska a Slovenska farmacie : casopis Ceske farmaceuticke spolecnosti a Slovenske farmaceuticke spolecnosti. 49(5)
Diolides, often classified into a group of macrolides, represent a heterogenous group of microbial metabolites whose common feature is the presence of a cyclic diester moiety in their structure. These compounds have cytotoxic, antiviral, anthelmintic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::2b932198bc8272ea39afe801c2d1b051
https://pubmed.ncbi.nlm.nih.gov/11077727
https://pubmed.ncbi.nlm.nih.gov/11077727
Autor:
B, Proksa, A, Proksová
Publikováno v:
Ceska a Slovenska farmacie : casopis Ceske farmaceuticke spolecnosti a Slovenske farmaceuticke spolecnosti. 49(4)
Mexiletine hydrochloride and its potential impurity xylenol were determined by micellar electrokinetic chromatography in a 25 cm long capillary. The effect of parameters--temperature, electric field, concentration of analyzed compounds, type and comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::f876d7e5f0e35590d35b3eb8867548b6
https://pubmed.ncbi.nlm.nih.gov/10953471
https://pubmed.ncbi.nlm.nih.gov/10953471
Autor:
E. Grossmann, B. Proksa
Publikováno v:
Phytochemical Analysis. 2:74-76
Fourteen alkaloids from Vinca minor L. were separated and their concentration determined by high performance liquid chromatography using Separon SGX C18 with a mobile phase of methanol:water (0.02 mol/L NH4Cl, pH 8.2 adjusted with Et3N). The major al
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25d52599be81322e63f3784dfd575aca
https://doi.org/10.1002/pca.2800020206
https://doi.org/10.1002/pca.2800020206