Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Beritte L. Christenson"'
Publikováno v:
Pure and Applied Chemistry. 68:23-27
AbstracL A selective and efficient protocol for the catalytic asymmetric cyclopropanation of allylic alcohols has been developed. The reaction involves preformation of the ethylzinc alkoxide of the alcohol and reaction with the FurukawdSimmons-Smith
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b0f844f6ccd046b1cd5c5f8c86d7b8e0
https://doi.org/10.1351/pac199668010023
https://doi.org/10.1351/pac199668010023
Publikováno v:
Tetrahedron Letters. 36:2215-2218
The rate and selectivity of catalytic enantioselective cyclopropanation of cinnamyl alcohol utilizing bisiodomethyl zinc and 4a/4b is greatly dependent on the order of addition of the reagents. The independent preformation of the ethylzinc cinnamylox
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb1acce16723e09a0bf09521a3891c03
https://doi.org/10.1016/0040-4039(95)00258-e
https://doi.org/10.1016/0040-4039(95)00258-e
Publikováno v:
Tetrahedron Letters. 36:2219-2222
The catalytic, enantioselective cyclopropanation of cinnamyl alcohol has been accomplished with bis(iodomethyl)zinc in the presence of chiral bis(sulfonamides) derived from cyclohexanediamine. An extensive survey of diamine and sulfonamide structure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d42023cee5e61c59b207f26b8bc12ba
https://doi.org/10.1016/0040-4039(95)00259-f
https://doi.org/10.1016/0040-4039(95)00259-f
Publikováno v:
Pure and Applied Chemistry. 60:57-64
A mechanistic model for the addition of lithium dimethylcuprate to enoates and enones is proposed on the basis of chemical and NMR-spectroscopic studies. The first step of the reaction is the reversible formation of a copper($ alkene n-complex by coo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a64f541ee4a0af7a1002710f7b7e5acf
https://doi.org/10.1351/pac198860010057
https://doi.org/10.1351/pac198860010057
Publikováno v:
ChemInform. 19
A mechanistic model for the addition of lithium dimethylcuprate to enoates and enones is proposed on the basis of chemical and NMR-spectroscopic studies. The first step of the reaction is the reversible formation of a copper($ alkene n-complex by coo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d08ae6b97bb0904d745a5d93a5ec8cf1
https://doi.org/10.1002/chin.198828335
https://doi.org/10.1002/chin.198828335