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- Hofmann降解Hofmann degradation
- 以3-甲基-9,10-二氟-7-氧代-2,3-二氫-7H-吡啶并[1,2,3-de][1,4]苯并?f嗪-6-羧酸乙酯(3)為原料,經(jīng)親核取代、脫羧、環(huán)合、水解、Hofmann降解可制得帕珠沙星消旋體(1),總收率25.1%。The (3S) racemate of pazufloxacin (1) was synthesized from ethyl 3-methyl-9,10-difluoro-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate (3) by nucleophilic substitution and decarboxylation,followed by cyclization,hydrolysis and Hofmann degradation with an overall yield of 25.1%25.
- 通過(guò)含酰胺基單體和乙烯基類(lèi)單體在一定條件下共聚合,經(jīng)Hofmann降解,合成一種多氨基兩親性共聚物,用該共聚物處理甲醛鞣毛皮,使其長(cháng)期固定在毛皮產(chǎn)品中,捕獲在穿用過(guò)程中釋放出的甲醛。Polyamino amphiphilic polymer could capture formaldehyde that was released gradually by fur. The polymer was synthesized by monomers with acylamide groups and vinyl polymer groups under certain condition and then Hofmann degradation.
- 降解retrogradation
- Hofmann藍Hofmann's blue
- Hofmann法Hofmann procedure
- 可降解degradable
- Hofmann反應Hofmann degradation reaction
- Hofmann降級反應Hofmann degradation
- 可降解的degradable
- Hofmann重排反應Hofmann rearrangement reaction
- 不可降解的nondegradable
- 降解的degrade
- Hofmann重排合成 2 ,6-二氟苯胺的工藝Synthetic Technology of 2,6-Difluoroaniline by Hofmann Rearrangement
- 降解產(chǎn)物degradation product
- Mieschke Hofmann und Partner(MHP)是德國一個(gè)領(lǐng)導性的流程和IT咨詢(xún)機構。Mieschke Hofmann und Partner (MHP) is a leading process and IT consultancy firm in Germany.
- 石油烴的微生物降解microbial degradation of petroleum hydrocarbon
- 本文合成了12種含環(huán)戊基或環(huán)己基的第四級銨堿，使之發(fā)生Hofmann消除反應。In the previous work,a conformational rule was proposed for Hofmann elimination of quaternary ammonium hydroxides.
- 白羊草灌叢草地優(yōu)勢種牧草營(yíng)養物質(zhì)及瘤胃降解動(dòng)態(tài)研究Study on Nutrients of Dominant Species of Forage and Dynamics of the Rumen Degradability in Old World Bluestem Shrub Rangeland
