| 261 | ||
| 262 | ||
| Language: | English | |
| 263 | ||
| 264 | ||
| Language: | English | |
| 265 | ||
| 266 | ||
| Language: | English | |
| 267 | ||
| Shodhganga | ||
| 268 | ||
| Language: | English | |
| 269 | ||
| 270 | study of coumarins oxygenated in pyrone ring and synthesis of some naturally occurring coumarins | |
| Language: | English | |
| 271 | ||
| 272 | ||
| Language: | English | |
| 273 | Synthesis, pesticidal and chromatograph studies on new oxazole derivatives | |
| 274 | ||
| Language: | English | |
| 275 | Synthesis studies in oxygen containing heterocycles (1-H-2-benzopyran - 1 - ones) | |
| 276 | ||
| Language: | English | |
| Shodhganga | ||
| 277 | ||
| 278 | Syntheses of physiologically active compounds involving 3-and 4-hydroxycoumarins | |
| Language: | English | |
| 279 | Photooxygenations of some nitrogen heterocycles and related substrates | |
| 280 | ||
| Language: | English | |
| Shodhganga | ||