Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Daniel R. Nicponski"'
Publikováno v:
Synthesis. 46:1725-1730
The use of tetrabutylammonium hydroxide as a novel and exceedingly efficient thia-Michael addition catalyst is herein described. This extremely simple methodology allows for the conjugate addition of a wide variety of mercaptan nucleophiles, and func
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98b7dd1eb8cf40e38cc46670cb39bf7a
https://doi.org/10.1055/s-0033-1341106
https://doi.org/10.1055/s-0033-1341106
Publikováno v:
Future Medicinal Chemistry. 3:1469-1473
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c769179da1d72e4faee5a0ecb775eef
https://doi.org/10.4155/fmc.11.123
https://doi.org/10.4155/fmc.11.123
Autor:
Daniel R. Nicponski
Publikováno v:
Tetrahedron Letters. 55:2075-2077
The catalytic action of 4-(dimethylamino)pyridine (DMAP) in lactonizing 4-hydroxy-2-methylenebutanoate esters to 2-methylene-γ-butyrolactones is described. The use of DMAP, which functions as an excellent complement to the more traditional acid-cata
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a23bb61779b31c2a634549a6587378af
https://doi.org/10.1016/j.tetlet.2014.02.024
https://doi.org/10.1016/j.tetlet.2014.02.024
Publikováno v:
ChemInform. 46
An auto-catalytic domino reaction, presumably involving an aza-Michael reaction, proton transfer, and lactonization, furnishing α-(aminomethyl)-γ-butyrolactones in near quantitative yields and excellent diastereoselectivity is described.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea5d65c9fe57c64f94daa43dbc0fb4a3
https://doi.org/10.1002/chin.201516146
https://doi.org/10.1002/chin.201516146
Publikováno v:
Tetrahedron Letters. 54:5001-5003
A novel and synthetically facile production of 2-substituted pyrrolidines from commercially available nitriles is reported herein. This methodology is operationally simple, and only requires the use of an extraction and a single chromatographic purif
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::724114929bfd111a331800db45007199
https://doi.org/10.1016/j.tetlet.2013.06.075
https://doi.org/10.1016/j.tetlet.2013.06.075
Publikováno v:
ChemInform. 45
The use of tetrabutylammonium hydroxide as a novel and exceedingly efficient thia-Michael addition catalyst is herein described. This extremely simple methodology allows for the conjugate addition of a wide variety of mercaptan nucleophiles, and func
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5faeefffa2a9f977580d9b43231ec26c
https://doi.org/10.1002/chin.201452091
https://doi.org/10.1002/chin.201452091
Publikováno v:
Chemical communications (Cambridge, England). 50(96)
An auto-catalytic domino reaction, presumably involving an aza-Michael reaction, proton transfer, and lactonization, furnishing α-(aminomethyl)-γ-butyrolactones in near quantitative yields and excellent diastereoselectivity is described.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13c8d8c824a7a9938107826f52af7b73
https://pubmed.ncbi.nlm.nih.gov/25340310
https://pubmed.ncbi.nlm.nih.gov/25340310
Autor:
Daniel R. Nicponski
Publikováno v:
ChemInform. 45
The starting compounds for these lactonization reactions are prepared in a three step procedure from methyl acrylate.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d66eca9bc3ef129b86db6786fa174673
https://doi.org/10.1002/chin.201435120
https://doi.org/10.1002/chin.201435120
Autor:
C. Max Schmidt, Matthew A. Helppi, Michele T. Yip-Schneider, Pravin D. Gagare, P. Veeraraghavan Ramachandran, Hari Nair, Daniel R. Nicponski
Publikováno v:
ChemInform. 45
A variety of aminolactones such as (III) are synthesized which exhibit excellent activities against three pancreatic cancer cell lines
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::248c6e4283564df4f96471dc2fc886be
https://doi.org/10.1002/chin.201420085
https://doi.org/10.1002/chin.201420085
This chapter is a comprehensive review and covers many different aspects of allylboranes and derivatives. Specifically, the synthesis of allylboranes through a variety of methods, and the uses thereof, have been systematically detailed to demonstrate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89fe5609aec5493eb94e368597ce5a77
https://doi.org/10.1016/b978-0-08-097742-3.00201-9
https://doi.org/10.1016/b978-0-08-097742-3.00201-9
