✦ LIBER ✦

Six-membered ring phosphites in twist conformations. The methyl and phenyl trans-3',5'-cyclic phosphites of thymidine

✍ Scribed by Nelson, Keith A.; Sopchik, Alan E.; Bentrude, Wesley G.

Book ID: 126923583
Publisher: American Chemical Society
Year: 1983
Tongue: English
Weight: 393 KB
Volume: 105
Category: Article
ISSN: 0002-7863
DOI: 10.1021/ja00364a052

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Conformational mobility of the six-membe

Conformational mobility of the six-membered ring in 5-oxo-1,3-cyclohexadiene and its derivatives

✍ O. V. Shishkin; Yu. T. Struchkov 📂 Article 📅 1995 🏛 Springer 🌐 English ⚖ 457 KB

Stereo- and regiochemistries of the oxid

Stereo- and regiochemistries of the oxidations of 2-methoxy-5-tert-butyl-1,3,2-dioxaphosphorinanes and the cyclic methyl 3',5'-phosphite of thymidine by water/iodine and oxygen/AIBN to P-chiral phosphates. Oxygen-17 NMR assignment of phosphorus configuration to the diastereomeric thymidine cyclic methyl 3',5'-monophosphates

✍ Bentrude, Wesley G.; Sopchik, Alan E.; Gajda, Tadeusz 📂 Article 📅 1989 🏛 American Chemical Society 🌐 English ⚖ 931 KB

The question of chair-twist equilibria f

The question of chair-twist equilibria for the phosphate rings of nucleoside cyclic 3',5'-monophosphates. Proton NMR and x-ray crystallographic study of the diastereomers of thymidine phenyl cyclic 3',5'-monophosphate

✍ Nelson, Keith A.; Bentrude, Wesley G.; Setzer, William N.; Hutchinson, John P. 📂 Article 📅 1987 🏛 American Chemical Society 🌐 English ⚖ 899 KB

Conformations of saturated six-membered

Conformations of saturated six-membered phosphorus heterocycles. X-ray crystallographic and proton NMR study of cis-2-oxo-2-(dimethylamino)-5-phenyl-1,3,2-oxazaphosphorinane, a cyclophosphamide-like molecule in a twist conformation

✍ Bentrude, Wesley G.; Day, Roberta O.; Holmes, Joan M.; Quin, Gyongyi Szakal; Set 📂 Article 📅 1984 🏛 American Chemical Society 🌐 English ⚖ 779 KB

Six-membered ring phosphorus heterocycle

Six-membered ring phosphorus heterocycles. : Use of europium shift reagent in the analysis of the P.M.R. spectrum of trans-2-methyl-5-t-butyl-2-oxo-1,3,2-dioxaphosphorinane

✍ K.C. Yee; W.G. Bentrude 📂 Article 📅 1971 🏛 Elsevier Science 🌐 French ⚖ 199 KB

A considerable amount of work has been published1 in the past few years concerning the conformations of saturated six-membered ring heterocycles containing phosphorus including phosphites, phosphates, phosphonites and phosphonates. The bulk of these investigations has involved analysis of very comp

Quantitive dependence of N-methyl invers

Quantitive dependence of N-methyl inversion barriers in six-membered rings on electronic and steric effects. Direct observation of the conformational equilibria in tetrahydro-1,3-oxazines and hexahydropyrimidines

✍ Ferguson, Ian J.; Katritzky, Alan R.; Read, David M. 📂 Article 📅 1975 🏛 The Royal Society of Chemistry 🌐 English ⚖ 194 KB