Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Bogdan K. Wilk"'
Publikováno v:
Organic Process Research & Development. 2:407-411
An impurity in the initial scale-up batch of PDA-641 was identified and the pathway of its formation was established. The precursor of the impurity was formed by magnesium Meerwein-Ponndorf-Verley-Oppenauer reaction during the Grignard addition step.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b8f8569debcd6823b1b3ca341f5aa48
https://doi.org/10.1021/op980078o
https://doi.org/10.1021/op980078o
Autor:
Bogdan K. Wilk
Publikováno v:
Tetrahedron. 53:7097-7100
The Knoevenagel condensation of O,O-, O,S- and S,S-diethyl malonates with ethyl pyruvate is described. The elimination sequence in 2 and 6 is suppressed by the presence of ZnCl2.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::234f517c16f9c525974835c8ea0dcac5
https://doi.org/10.1016/s0040-4020(97)00390-6
https://doi.org/10.1016/s0040-4020(97)00390-6
Autor:
Bogdan K. Wilk
Publikováno v:
Synthetic Communications. 26:3859-3864
Aliphatic carboxylic esters containing in the molecule a malonate moiety with an α-hydrogen undergo selective cleavage in the presence of potassium tertbutoxide in wet tetrahydrofuran. Dedicated to Professor Paul Dowd on the occasion of his 60th bir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6a0bea6174ec47a4cdbbebb531323da
https://doi.org/10.1080/00397919608003802
https://doi.org/10.1080/00397919608003802
Publikováno v:
Synthetic Communications. 23:2323-2329
A convenient preparation of alkyl nitriles from alkyl halides is described. Acetone cyanohydrin is employed as the source of cyanide ion.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f372b08b303a42bfa8222c34663cfe87
https://doi.org/10.1080/00397919308013790
https://doi.org/10.1080/00397919308013790
Autor:
Bogdan K. Wilk, Paul Dowd
Publikováno v:
Synthetic Communications. 23:2307-2322
A general approach to the synthesis of various itaconates including 3-substituted esters is presented. The complementarity of the approach is also shown.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4835870aaab5b7d7aae71b275e6c3114
https://doi.org/10.1080/00397919308013789
https://doi.org/10.1080/00397919308013789
Autor:
Bogdan K. Wilk
Publikováno v:
ChemInform. 28
Aliphatic carboxylic esters containing in the molecule a malonate moiety with an α-hydrogen undergo selective cleavage in the presence of potassium tertbutoxide in wet tetrahydrofuran. Dedicated to Professor Paul Dowd on the occasion of his 60th bir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae04e283ee495eab2b7e7e8a0fda3872
https://doi.org/10.1002/chin.199703070
https://doi.org/10.1002/chin.199703070
Publikováno v:
ChemInform. 24
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c0a9a7882584a8cede1c03d0704e89a
https://doi.org/10.1002/chin.199350158
https://doi.org/10.1002/chin.199350158
Autor:
Bogdan K. Wilk, Paul Dowd
Publikováno v:
ChemInform. 24
A general approach to the synthesis of various itaconates including 3-substituted esters is presented. The complementarity of the approach is also shown.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e9ee0308bfbfac52927e018aa96c705
https://doi.org/10.1002/chin.199350140
https://doi.org/10.1002/chin.199350140
Autor:
Bogdan K. Wilk, Paul Dowd
Publikováno v:
ChemInform. 25
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5c0a2f95dba26364a0ebe92e23195e3f
https://doi.org/10.1002/chin.199411105
https://doi.org/10.1002/chin.199411105
Autor:
Bogdan K. Wilk
Publikováno v:
ChemInform. 28
The Knoevenagel condensation of O,O-, O,S- and S,S-diethyl malonates with ethyl pyruvate is described. The elimination sequence in 2 and 6 is suppressed by the presence of ZnCl2.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51b58dd62488e58797562d613021f904
https://doi.org/10.1002/chin.199739086
https://doi.org/10.1002/chin.199739086