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Structure of the 2 : 1 adduct of dimethyl acetylenedicarboxylate and the pyrrolidine enamine of 3-methylthiochroman-4-one: A novel pentacyclic system

โœ Scribed by Bo Lamm; Leif Andersen; Carl-Johan Aurell


Publisher
Elsevier Science
Year
1983
Tongue
French
Weight
183 KB
Volume
24
Category
Article
ISSN
0040-4039

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The reaction of isoquinoline and dimethy
โœ Vijay Nair; A.R Sreekanth; A.T Biju; Nigam P Rath ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 221 KB

The 1,4-dipolar intermediate generated by the addition of isoquinoline to dimethyl acetylenedicarboxylate is trapped by 1,2-and 1,4-benzoquinones to afford spiro[1,3]oxazino[2,3-a]isoquinoline derivatives in high yields.