𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Reactions of methylenecyclopropanes with a diethylzinc-bromoform system, and the utilization for synthesis of a novel cyclopropylidene-nucleoside

✍ Scribed by Changmei Cheng; Tetsuro Shimo; Kenichi Somekawa; Masaru Kawaminami

Book ID
104258401
Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
211 KB
Volume
38
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

✦ Synopsis

The reactions of substituted me~hylanecyclopropane with clethylzinc-bromoform gave bromcepimf2.2]pentane d=ivatives, bromoform-aditien compounds, an oxabicydo-compound and adjacent di~pound, and the last ixcduct was derived to a novel a, ~unmanated nucloside.

📜 SIMILAR VOLUMES

ChemInform Abstract: Reactions of Methyl
ChemInform Abstract: Reactions of Methylenecyclopropanes with a Diethylzinc-Bromoform System, and the Utilization for Synthesis of a Novel Cyclopropylidene-Nucleoside.
✍ C. CHENG; T. SHIMO; K. SOMEKAWA; M. KAWAMINAMI 📂 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

A novel synthesis of spiro[2.6]nonadieno
A novel synthesis of spiro[2.6]nonadienones by the reaction of magnesium cyclopropylidenes with naphtholates and phenolates
✍ Tsuyoshi Satoh; Shinobu Nagamoto; Masanobu Yajima; Yukie Yamada; Yuki Ohata; Mak 📂 Article 📅 2008 🏛 Elsevier Science 🌐 French ⚖ 281 KB

## a b s t r a c t The sulfoxide-magnesium exchange reaction of aryl 1-chlorocyclopropyl sulfoxides with i-PrMgCl in THF at low temperature gave magnesium cyclopropylidenes. Treatment of the magnesium cyclopropylidenes with lithium naphtholates or phenolates resulted in the formation of spiro[2.6]n

Synthesis of a novel ring-expanded nucle
Synthesis of a novel ring-expanded nucleoside analogue containing the imidazo[4,5-e][1,3]diazepine ring system with a guanidinocarbamoyl-substituted cyclopropylidene group in place of a sugar moiety
✍ Huan-Ming Chen; Ramachandra S. Hosmane; Donna M. Baldisseri 📂 Article 📅 2000 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 217 KB

## Abstract The synthesis of a novel ring‐expanded nucleoside analogue, (Z)‐1‐((2‐Guanidinocarbamoyl‐cyclopropylidene)methyl)‐4,5,7,8‐tetrahydro‐6__H__‐6‐iminoimidazo[4,5‐__e__][1,3]diazepine‐4,8‐dione (**1**) has been reported. It was prepared starting from methyl imidazole‐4,5‐dicarboxylate by se