The 2-alkyl-3a-methyl-tetrahydro-4-oxa-1,3-dithiapentalenes la-f were prepared from the chloropentanone 4, the a-bromo thioacetates 9a-f and H2S/NEt3 via the labile intermediates 6a-f. Likewise, the 3,4-dioxa-l-thia analogues 2a-f were obtained from 4 and the a-bromoacetates 10a-f via lla-f. The ste
Syntheses and Structure Study on 3,3aλ4,4-Trithia-1-aza-pentalenes and Their 3-Oxa Analogues.
✍ Scribed by Richard Cmelik; Michal Cajan; Jaromir Marek; Pavel Pazdera
- Publisher
- John Wiley and Sons
- Year
- 2003
- Weight
- 182 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0931-7597
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## Abstract 4‐Amino‐5‐substituted aryl‐3‐mercapto‐1,2,4‐triazoles are versatile synthons for constructing various biologically active heterocycles. Starting from 4‐amino‐5‐substituted aryl‐3‐mercapto‐1,2,4‐triazole **3a**–**c**, a series of new 3,5‐disubstituted‐1,2,4‐triazolo‐[3,4‐__b__]1,3,4‐thia
## 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