✦ LIBER ✦

Synthesis, 17O NMR Spectroscopy and Structure of 2-Trifluoroacetyl-1-methoxycycloalkenes.

✍ Scribed by Helio G. Bonacorso; Michelle B. Costa; Sidnei Moura; Lucas Pizzuti; Marcos A. P. Martins; Nilo Zanatta; Alex F. C. Flores

Publisher: John Wiley and Sons
Year: 2006
Weight: 16 KB
Volume: 37
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200606074

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Synthesis of Tetrahydro-2(1H)quinazolino

Synthesis of Tetrahydro-2(1H)quinazolinones, Cyclopenta[d]-2(1H)pyrimidinones, and Their Thioxo Analogues from 2-Trifluoroacetyl-1-methoxycycloalkenes.

✍ Helio G. Bonacorso; Michelle B. Costa; Itamar S. Lopes; Marli R. Oliveira; Rober 📂 Article 📅 2006 🏛 John Wiley and Sons ⚖ 21 KB

2-Trifluoroacetyl-1-methoxycycloalkenes:

2-Trifluoroacetyl-1-methoxycycloalkenes: A convenient precursor for the synthesis of geminated polymethylene trifluoromethyl substituted heterocycles

✍ Helio Gauze Bonacorso; Michelle Budke Costa; Cleber André Cechinel; Ronan Carlo 📂 Article 📅 2009 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 105 KB

## Abstract magnified image This article describes the methodology that allows the simultaneous introduction of a trifluoromethyl group and a 7‐, 8‐, and 10‐membered cycloalkane ring fused to heterocyclic derivatives. A series of 10 geminated polymethylene trifluoromethyl substituted isoxazolines,

ChemInform Abstract: 2-Trifluoroacetyl-1

ChemInform Abstract: 2-Trifluoroacetyl-1-methoxycycloalkenes: A Convenient Precursor for the Synthesis of Geminated Polymethylene Trifluoromethyl Substituted Heterocycles.

✍ Helio Gauze Bonacorso; Michelle Budke Costa; Cleber Andre Cechinel; Ronan Carlo 📂 Article 📅 2009 🏛 John Wiley and Sons ⚖ 20 KB 👁 1 views

17O NMR spectroscopy of 1-(2-hydroxyphen

17O NMR spectroscopy of 1-(2-hydroxyphenyl)-3- naphthylpropane-1,3-diones. Influences of keto–enol tautomerism and substituents

✍ Jorge L. Jios; Helmut Duddeck 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 55 KB

17O, 13C and 1H NMR spectra of 1,2-dialk

17O, 13C and 1H NMR spectra of 1,2-dialkoxyethenes

✍ Esko Taskinen 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 219 KB 👁 1 views

The 17O, 13C and 1H NMR spectra of a number of 1,2-dialkoxyethenes R1OCHxCHOR2 were recorded. The O atoms, in particular those of the E forms, are strongly shielded relative to the 17O nuclei of the corresponding alkyl vinyl ethers Moreover, in compounds of the type ROCHxCHOMe, the di †er-ROCHxCH 2

Synthesis and 15N- and 17O-NMR Spectra o

Synthesis and 15N- and 17O-NMR Spectra of 5-Methyl(15N2)[O2,O4-17O2]uridine (= (15N2)[O2,O4-17O2]Ribosylthymine)

✍ Antonio Amantea; Markus Walser; Urs Séquin; Peter Strazewski 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 German ⚖ 447 KB 👁 1 views

## Abstract The 5‐methyl(^15^N~2~)[__O__^2^,__O__^4^‐^17^O~2~]uridine (= (^15^N~2~)[__O__^2^,__O__^4^‐^17^O ~2~]ribosylthymine; 15) was synthesized and analyzed by ^15^N‐ and ^17^O‐NMR spectroscopy. (^15^N~2~)Urea was condensed with 2,3‐dibromo‐2‐methylpropanoyl chloride (3) and cyclized to form (^