Trimethylacetic anhydride CAS 1538-75-6
ʻO Trimethylacetic anhydride no ka papa o nā pūhui alkyl anhydride, hiki ke hoʻomākaukau ʻia e ka hopena dehydration o ka waika valeric. He kiʻekiʻe kiʻekiʻe ka hana kemika a hoʻohana mau ʻia ma ke ʻano he acylation reagent ma ke kahua o ka kemika synthesis organik. Hiki ke hoʻohana ʻia no ka esterification reactions o nā waiʻona a me nā pūhui phenolic
'ikamu | Hōʻike |
Lae paila | 193 °C(māmā) |
ʻO ka mānoanoa | 0.918 g/mL ma 25 °C(kukui.) |
Kuhikuhi uila | 135 °F |
Hōʻike hōʻike | n20/D 1.409(māmā) |
Maemae | ʻO ka lewa inert, ka wela lumi |
Hoʻohana ʻia ʻo Trimethylacetic anhydride e like me ka acylation a me ka esterification reagent, e komo ana i ka acylation a me ka esterification reactions me aniline a me phenol. Hoʻohana pū ʻia ʻo Trimethylacetic anhydride i ka synthesis oligonucleotide solid-phase a me ka hoʻokaʻawale kinetic o racemic 2-hydroxy - γ - butyrolactone a me ka waikawa diphenylacetic, no ka hana ʻana o cyano-4, N-tert-butoxycarbonyl piperidine, a me ka solid-phase synthesis oligonucleotide.
Hoʻopili pinepine ʻia i ka 25kg / pahu, a hiki ke hana ʻia i ka pōʻai maʻamau.

Trimethylacetic anhydride CAS 1538-75-6

Trimethylacetic anhydride CAS 1538-75-6