??????
|
|
?????? ??
- ???
- 177°C
- ?? ?
- 275.56°C (rough estimate)
- ??
- 1.2481 (rough estimate)
- ???
- 1.4500 (estimate)
- ?? ??
- Inert atmosphere,Room Temperature
- ???
- DMSO? ???
- ??? ??
- powder to crystal
- ?? ?? (pKa)
- 7.49±0.45(Predicted)
- ??
- White to Orange to Green
- Merck
- 14,4106
- LogP
- 2.600 (est)
- CAS ??????
- 2295-58-1(CAS DataBase Reference)
??
- ?? ? ?? ??
- ?? ? ???? ?? (GHS)
| ?? ???? ?? | 36/37/38 | ||
|---|---|---|---|
| ????? | 26-36/37/39 | ||
| RTECS ?? | UH4429100 | ||
| TSCA | TSCA listed | ||
| HS ?? | 2914.50.3000 | ||
| ???? ?? | KE-34301 |
| ????(GHS): |
|
|||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ?? ?: | Warning | |||||||||||||||||||||
| ??·?? ??: |
|
|||||||||||||||||||||
| ??????: |
|
?????? C??? ??, ??, ??
??
antispasmodic?? ??
Preparation by reaction of propionitrile with phlo-roglucinol (Hoesch reaction);Preparation by reaction of propionic anhydride with phloroglucinol
in the presence of concentrated sulfuric acid (one drop) at 130° for 5 min (65%)
in the presence of Amberlite IR-120 (cation exchange resin sulfonic acid type) at 160° for 2–3 h (42%). N.B.: Zeokarb 225 was found to be as effective
in the presence of boron trifluoride etherate at 10° (62–65%)
Preparation by reaction of propionyl chloride with phloroglucinol
in the presence of aluminium chloride in nitrobenzene/carbon disulfide solution (76%), in nitrobenzene at 60° (55%) or without solvent at 50° (70%)
in the presence of boron trifluoride etherate at 10° (compound 3) (62–65%).
?????? ?? ?? ? ???
???
?? ??
?????? ?? ??
???( 119)?? ??
| ??? | ?? | ??? | ?? | ?? ? | ?? |
|---|---|---|---|---|---|
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