## 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
✦ LIBER ✦
A condensed synthesis of dihydro-3(2H)-furanone
✍ Scribed by Bonkoch Tarnchompoo; Yodhathai Thebtaranonth
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- French
- Weight
- 184 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0040-4039
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## Abstract Substituted 4,5‐dihydro‐3‐methylene‐2(3__H__)‐furanones 1 react as dipolarophiles with diphenylnitrilimine to give the corresponding spiro[furan‐pyrazolin]ones 2. From the compound 1a, 1,3‐diphenyl‐7‐oxa‐1,2‐diazaspiro[4,4]non‐2‐en‐6‐one (2a) is formed. In the other cases, a primarily f