Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Günter Snatzke"'
Autor:
Khalid Mohammed Khan, Wolfgang Voelter, Naghmana Rashid, Shahnaz Perveen, Mashooda Hasan, Günter Snatzke, Helmut Duddeck
Publikováno v:
Liebigs Annalen. 1995:1871-1876
The syntheses of 5α- and 5β-cholest-3-eno[4,3-d]pyrimidines (7) and (7′) could be achieved by using the hydroxymethylene derivative of cholestan-4-one (5) prepared from cholesterol (1). Their 2′-derivatives 7a-7d and 7′a-7′c were also synth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d29080f62e05df488f5279e9b64b4a1d
https://doi.org/10.1002/jlac.1995199510262
https://doi.org/10.1002/jlac.1995199510262
Publikováno v:
Tetrahedron: Asymmetry. 6:183-198
Synthesis and assignment of the absolute configuration of different types of compounds bearing the diarylmethane moiety is presented. The absolute configuration was determined using chemical correlation and CD approaches based on the sign of the 0-0
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9daa41a3292b9b2190c57f1bf0a13cd2
https://doi.org/10.1016/0957-4166(94)00374-k
https://doi.org/10.1016/0957-4166(94)00374-k
Publikováno v:
ChemInform. 26
Synthesis and assignment of the absolute configuration of different types of compounds bearing the diarylmethane moiety is presented. The absolute configuration was determined using chemical correlation and CD approaches based on the sign of the 0-0
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ca5c43c0958b811a422851d4f7f613d
https://doi.org/10.1002/chin.199527039
https://doi.org/10.1002/chin.199527039
Autor:
Wolfgang Voelter, Mashooda Hasan, Shahnaz Perveen, Khalid Mohammed Khan, Naghmana Rashid, Günter Snatzke, Helmut Duddeck
Publikováno v:
ChemInform. 27
The syntheses of 5α- and 5β-cholest-3-eno[4,3-d]pyrimidines (7) and (7′) could be achieved by using the hydroxymethylene derivative of cholestan-4-one (5) prepared from cholesterol (1). Their 2′-derivatives 7a-7d and 7′a-7′c were also synth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39a0cfabb87e269f618c0c5f3151eca3
https://doi.org/10.1002/chin.199603203
https://doi.org/10.1002/chin.199603203
Publikováno v:
Collection of Czechoslovak Chemical Communications. 56:954-965
The syntheses of (S)-(-)-1,2-dimethyl-1,2,3,4-tetrahydroisoquinoline (IX) and (S)-(+)-2,3-dimethyl-1,2,3,4-tetrahydroisoquinoline (XVI) [ via (S)-1-benzoyl-N-ethoxycarbonyl ethylamine (XI)] in optically pure form and with known absolute configuration
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96e85c632a8b3fa7ae06f53af46400bf
https://doi.org/10.1135/cccc19910954
https://doi.org/10.1135/cccc19910954
Publikováno v:
Chemische Berichte. 118:4597-4612
Die Titelverbindungen 6 werden aus rac. 1,4-Dihydroxytricyclo[6.4.0.04,9]dodecan-7,10-dion (1) hergestellt. Dabei konnten die diastereomeren Thioacetale 3 aus (−)-(R,R)-2,3-Butandithiol (2) chromatographisch getrennt und in die reinen Enantiomeren
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d0bf6058bb1e68ce322f57ae3ba0245
https://doi.org/10.1002/cber.19851181130
https://doi.org/10.1002/cber.19851181130
Publikováno v:
Chemische Berichte. 122:1017-1019
The cis- and trans-tetrahydrodibenzo-1,4-dioxanes 2 and 3 were synthesized from 2-bromocyclohexanone in five steps.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1516e12a4f3f2a7306679017fac7b9bb
https://doi.org/10.1002/cber.19891220536
https://doi.org/10.1002/cber.19891220536
Autor:
Günter Snatzke
Publikováno v:
Angewandte Chemie International Edition in English. 27:863-864
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::286b604a50b0cf60b10ecf36c647fa8a
https://doi.org/10.1002/anie.198808632
https://doi.org/10.1002/anie.198808632
Publikováno v:
Tetrahedron Letters. 20:829-830
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef287b5b94cbb5c3d3be6b0b3627b378
https://doi.org/10.1016/s0040-4039(01)86050-0
https://doi.org/10.1016/s0040-4039(01)86050-0