A novel formation and photochemical reaction of 3,3-di-t-butyl-3′,3′-diphenyl[1,2]dithiolo[5,4-d][1,2]dithiole
✍ Scribed by Norihiro Tokitoh; Shoji Imai; Midori Goto; Wataru Ando
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- French
- Weight
- 271 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0040-4039
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## Abstract The 1,2‐dithiolosultam derivative 14 was obtained from the (__α__‐bromoalkylidene)propenesultam derivative 9 (__Scheme 1__). Regioselective cleavage of the two ester groups (→1b or 2b) allowed the preparation of derivatives with different substituents at C(3) in the dithiole ring (see 2
1,6ak 4 -Dithia-6-azapentalenes (7a)-( 7h), (12a), and (12b) have been synthesized by the reaction of 5-aryl-3-benzylidene-3H-1,2-dithioles with isonitriles in the presence of phosphoryl chloride and by the reaction of 3-benzyl-and 3-methyl-1k 4 , 2-dithiol-1-ylium salts with isonitriles. Possible m