17369-59-4|TIAB SA 2952
Cov roj formula: C11H10O2
Molecular Luj: 174.2
EINECS: 241-402-8
Purity: 96% sib xyaw ntawm cis thiab trans isomers
Pob: 1 g / 5 g / 25 g / 100 g
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3-Propylene-1-isobenzofuranone, tseem hu ua 3-buteneisobenzofuran-1-3(hydro)-ib, yog benzofuranone derivative uas muaj ob daim ntawv cog lus unsaturated. Lub benzofuranone thiab nws cov derivatives nrog unsaturated ob daim ntawv cog lus ua lub luag haujlwm loj hauv cov txheej txheem ntawm kev tshawb fawb tshawb fawb thiab tshwj xeeb tshaj yog cov kev xaiv hydrogenation ntxiv ntawm unsaturated benzofuranone tuaj yeem tau txais cov khoom siv ntuj tsim pob txha, uas muaj peev xwm tshuaj thiab chaw muag tshuaj. Tus nqi muaj cov ntsiab lus tseem ceeb hluavtaws, yog li nws tau txais kev saib xyuas dav.
Specification ntawm CAS: 17369-59-4 FEMA 2952
Yam khoom | SPECIFICATION |
Melting point | 5 degree (lit.) |
Fp | >230 degree F |
Refractive Index | n20/D 1.586 (lit.) |
Kev ruaj ntseg | ruaj khov. Hluav taws kub. Incompatible nrog muaj zog oxidizing neeg sawv cev. |
ceev | 1.122 g / mL ntawm 25 degree (lit.) |
JECFA Number | 1168 |
Boiling point | 170 degree 12 hli Hg (lit.) |
EPA Tshuaj Registry System | 3-Propylidenephthalide (17369-59-4) |
BRN | 4486 |
CAS DataBase Reference | 17369-59-4(CAS DataBase Reference) |
FEMA | 2952|3-PROPYLIDENEPHHALIDE |
Synthesis ntawmCAS: 17369-59-4 FEMA 2952
Siv methyl o-iodobenzoate (1mmol, 261 mg) thiab n-butyne (1mmol, 54 mg) ntawm palladium catalyst (tetratriphenylphosphine palladium 3%), n-butylamine (20%) thiab iodide Hauv qab catalysis ntawm tooj liab (20%). Kev sib txuas cov tshuaj tiv thaiv tau tshwm sim hauv chav tsev kub nrog 10 mL ntawm ether ua cov kuab tshuaj, thiab 176 mg ntawm cov khoom sib txuas tau txais, nrog cov txiaj ntsig ntawm 94 feem pua; Tom qab ntawd nyob rau hauv cov xwm txheej alkaline ntawm 1mol / L NaOH tov, 20mL tetrahydrofuran tau siv los ua cov kuab tshuaj tiv thaiv cov tshuaj tiv thaiv demethylation, cov tshuaj tiv thaiv kub yog 60 degree, thiab cov concentration ntau dhau ntawm 10 feem pua dilute hydrochloric acid tov yog acidified thiab sib cais kom tau 160 mg. ntawm benzoic acid compound nrog cov txiaj ntsig ntawm 98 feem pua. Thaum kawg, 10 mL ntawm toluene yog siv los ua cov kuab tshuaj. Ntawm 80 degree, lub zog nucleophile DMAP (5 feem pua) yuav tsim ib lub nplhaib kom tau 154mg ntawm 3-propylidene-1-isobenzofuranone nrog cov txiaj ntsig ntawm 96 feem pua.
Cim npe nrov: 17369-59-4,cas 17369-59-4,fema 2952, nqe, hais, luv nqi, hauv Tshuag, muag
