Table II.
| |||||||
---|---|---|---|---|---|---|---|
compd | R | R1 | X | % yield | mp, °C | formula | anal. |
10a | Me | cyclopentyl | S | 71 | 253 | C12H18N4O2S | C, H, N |
10b | Pr | cyclopentyl | S | 92 | 103 | C16H26N4O2S·H2O | C, H, N |
10c | Me | 2-thienyl | O | 76 | >300 | C11H12N4O3S | C, H, N |
10d | Me | 3-thienyl | O | 78 | >300 | C11H12N4O3S | C, H, N |
10e | Pr | 2-thienyl | O | 88 | 143 | C15H20N4O3S | C, H, N |
10f | Pr | 3-thienyl | O | 88 | 144 | C15H20N4O3S | H, N; Ca |
10g | Me | 2-thienyl | S | 83 | >300 | C11H12N4O2S2 | C, H, N |
10h | Pr | 2-thienyl | S | 80 | 150 | C15H20N4O2S2 | C, H, N |
C: calcd, 53.56; found, 52.95.