Zobrazeno 1 - 10
of 20
pro vyhledávání: '"F. G. Cocu"'
Publikováno v:
Oftalmologia (Bucharest, Romania : 1990). 39(3)
The theoretical part of this paper presents the mechanism of the IOP lowering effect using these drugs, the indications of treatment and the main side effects. The second part consist of the experimental study made on rabbits, using the izopropilic e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::3408c9e049895aea2d89d965241e6682
https://pubmed.ncbi.nlm.nih.gov/7654674
https://pubmed.ncbi.nlm.nih.gov/7654674
Publikováno v:
Helvetica Chimica Acta. 57:1974-1987
On treatment with higher diazoalkanes, 2,4,6/3,5-penta-acetoxy-cyclohexanone (penta-O-acetyl-myo-inosose-2 or -scyllo-inosose) afforded by ring expansion all-trans-penta-acetoxy-C-alkyl-cycloheptanones, which by deacylation were converted to hemiacet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0dd53e73c6d011c0ae14d5339fec2417
https://doi.org/10.1002/hlca.19740570710
https://doi.org/10.1002/hlca.19740570710
Publikováno v:
Helvetica Chimica Acta. 57:1963-1974
On treatment with diazomethane, 2,4,6/3,5-penta-acetoxy-cyclohexanone(penta-O-acetyl-myo-inosose-2 or -scyllo-inosose) gave only a spiroepoxide. In contrast, replacement of diazomethane by higher diazoalkanes furnished a mixture of alkylspiroepoxides
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61efd07d1c90c2187960f3946400eac7
https://doi.org/10.1002/hlca.19740570709
https://doi.org/10.1002/hlca.19740570709
Autor:
F. G. Cocu, Th. Posternak
Publikováno v:
Helvetica Chimica Acta. 55:2838-2844
The conversion to free ketoses by transketalisation of ethylene-ketal and/or isopropylidene derivatives of polyhydroxy-cyclopentanones has been investigated. The preparation of 2, 3-dihydroxy-cyclopentanone and of 2, 3-dihydroxy-cyclopentenone has be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5147c31d990954a192f371d6c50db004
https://doi.org/10.1002/hlca.19720550815
https://doi.org/10.1002/hlca.19720550815
Publikováno v:
Helvetica Chimica Acta. 53:1511-1525
Several mono-, di-, and tri-hydroxy derivatives of cyclopentane and cyclopentene have been studied by NMR. spectroscopy. The chemical shifts and the coupling constants of the OH groups have been correlated with their position, with their configuratio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b48eca8744965d76d9929e5a88999f12
https://doi.org/10.1002/hlca.19700530637
https://doi.org/10.1002/hlca.19700530637
Publikováno v:
Helvetica Chimica Acta. 53:2275-2288
Two as yet unknown cyclopentene-triols have been prepared. The replacement of the halogen of cyclopentene derivatives brominated in the allylic position has been investigated. In the presence of dimethyl sulfoxide and sodium hydrogen carbonate, the b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89eba1bee0aa3123c43092e70b1b7167
https://doi.org/10.1002/hlca.19700530842
https://doi.org/10.1002/hlca.19700530842
Autor:
F. G. Cocu, Th. Posternak
Publikováno v:
Helvetica Chimica Acta. 54:1676-1687
All-cis cyclitols derived from cyclopentane have been prepared in two ways: (i) by LiAlH4 reduction of all-cis epoxypolyos; (ii) by dimethyl sulfoxide treatment, in the presence of sodium hydrogencarbonate, of brominated derivatives containing a neig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aab220b8af60b4fbaed4daef6e480e6d
https://doi.org/10.1002/hlca.19710540619
https://doi.org/10.1002/hlca.19710540619
Autor:
Th. Posternak, F. G. Cocu
Publikováno v:
Helvetica Chimica Acta. 55:2828-2837
The synthesis of a series of keto derivatives of cyclopentane is described. The configurations of these derivatives have been determined by chemical methods and verified by IR. and NMR. spectroscopy. The preferred conformation of the cyclopentane par
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d69fcdfca08506ab953d7806b371aa5e
https://doi.org/10.1002/hlca.19720550814
https://doi.org/10.1002/hlca.19720550814
Publikováno v:
Helvetica Chimica Acta. 53:2288-2295
Two new cyclopentane-pentols, namely the 1, 2, 3, 4/5- and 1, 2, 3/4, 5-isomers have been prepared by hydroxylation of the three 3, 4, 5-trihydroxy-1-cyclopentenes. The stereoselectivity of some hydroxylating agents is discussed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bedd1e700db02aee271285b6c89ba8b1
https://doi.org/10.1002/hlca.19700530843
https://doi.org/10.1002/hlca.19700530843
Publikováno v:
Helvetica Chimica Acta. 53:739-749
Cyclopentenones substituted in position 4, and 3, 5-cis or -trans disubstituted cyclopentenes have been studied by NMR. and by IR. spectroscopy. Cyclopentenone derivatives and cyclopentene derivatives adopt a quasi-coplanar and an envelope conformati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d17c46c1b1a8638e1018d1fb06db5e1d
https://doi.org/10.1002/hlca.19700530407
https://doi.org/10.1002/hlca.19700530407