Synthesis, Molecular Structure, and Applications of 2-Hydroxylamino-4,5-dihydroimidazolium-O-sulfonate to the Synthesis of Novel Heterocyclic Ring Systems.

Synthesis of the Novel Ring Systems 1,2,

Synthesis of the Novel Ring Systems 1,2,3,4-Oxazadisiletidine and 1,3,4,2,5-Dioxazadisilolidine

✍ Dr. Gregory R. Gillette; Dr. Jim Maxka; Prof. Dr. Robert West 📂 Article 📅 1989 🏛 John Wiley and Sons 🌐 English ⚖ 252 KB 👁 1 views

ChemInform Abstract: Novel Ring System w

ChemInform Abstract: Novel Ring System with an Se—O—N Linkage: Synthesis and Crystal Structure of the First 1,2,λ4,5-Oxaselenazolidine.

✍ Naokazu Kano; Nobuhito Nakanishi; Yuya Daicho; Takayuki Kawashima 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 34 KB 👁 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

The synthesis of novel polycyclic hetero

The synthesis of novel polycyclic heterocyclic ring systems. 3. Synthesis and NMR spectroscopy of 15-chloro[1]benzo-thieno[2″,3″:3′,4′]naphtho[1′,2′:4,5]thieno[2,3-c]quinoline

✍ Kenji Sasaki; Osamu Tokuda; Takashi Hirota; Jiann-Kuan Luo; Ronald F. Federspiel 📂 Article 📅 1997 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 305 KB 👁 1 views

The synthesis of novel polycyclic hetero

The synthesis of novel polycyclic heterocyclic ring systems via photocyclization. 23 . Naphtho[2′,1′:4,5]thieno-[2,3-c]naphtho[2,1-f]quinoline

✍ Jiann-Kuan Luo; Maria-Paz Cabal; Ronald F. Federspiel; Raymond N. Castle 📂 Article 📅 2001 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 54 KB 👁 1 views

## Abstract A previously unknown heterocyclic ring system, naphtho[2′,1′:4,5]thieno[2,3‐__c__]naphtho[2,1‐__f__]quinoline (**14**), was synthesized __via__ oxidative photocyclization of 3‐chloro‐__N__‐(2‐phenanthryl)naphtho[1,2‐__b__]‐thiophene‐2‐carboxamide (**9**). Further elaboration of the lact

ChemInform Abstract: The Synthesis of No

ChemInform Abstract: The Synthesis of Novel Polycyclic Heterocyclic Ring Systems. Part 3. Synthesis and NMR Spectroscopy of 15-Chloro[1]benzothieno[2′′,3′′:3′,4′]naphtho[1′,2′:4,5]thieno [2,3-c]quinoline.

✍ K. SASAKI; O. TOKUDA; T. HIROTA; J.-K. LUO; R. F. FEDERSPIEL; R. N. CASTLE 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 34 KB 👁 1 views

## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v

Synthesis of the bi-heterocyclic parent

Synthesis of the bi-heterocyclic parent ring system 1,2,4-triazolo[4,3-b][1,2,4,5]tetrazine and some 3,6-disubstituted derivatives

✍ David E. Chavez; Michael A. Hiskey 📂 Article 📅 1998 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 236 KB 👁 1 views

## Abstract The synthesis of the previously unknown parent ring system was developed. Treatment of 3‐hydrazino‐1,2,4,5‐tetrazine (4) with diethoxymethyl acetate gave the parent ring system. Similar treatment of 3‐(3,5‐dimethylpyrazol‐1‐yl)‐6‐hydrazino‐1,2,4,5‐tetrazine (2) with one carbon cyclizing