Abstract
Syntheses of the title compounds were accomplished in 6-7 steps, starting from cyclohexadiene and chlorosulphonyl isocyanate. The key step of the strategy involves a palladium coupling of cyclohexenyl dicarbonate 8 with either 6-chloropurine or 2-amino-6-chloropurine.
Original language | English (US) |
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Pages (from-to) | 799-808 |
Number of pages | 10 |
Journal | Tetrahedron |
Volume | 52 |
Issue number | 3 |
DOIs | |
State | Published - Jan 15 1996 |