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A 10 min linear gradient to 99% mobile phase A was used to separate metabolites. Subsequent analysis was carried out using a Q-ExactiveTM HF-X mass spectrometer (Thermo). Negative and positive ion modes were used with full scan analysis over m/z 70–750 m/z at 60,000 resolution, ...
(a) contacting 1,1,1-trifluoro-2,3-difluoropropane (243db) with hydrogen fluoride (HF) in the presence of a zinc/chromia catalyst to produce a compound having the formula CF 3 CHFCH 2 X, wherein X is Cl or F, and (b) dehydrohalogenating the compound of formula CF 3 CHFCH 2 ...
用液体HF在0℃处理10-30分钟即可将Cbz完全脱去。FSO 3 H、CH 3 SO 3 H、CF 3 SO 3 H和C 6 H 5 SCH 3 -TFA也是较好的试剂。Me 3 SiI在氯仿、乙腈中能于几分钟内选择性脱去Cbz和Boc保护基。对于BBr 3 /CH 2 Cl 2 而言,较大分子的肽的Cbz衍生物可在TFA中去除,因为肽在酸中的溶解度比在CH 2...
not available for EP018829of corresponding document:Disclosed is a novel anthracycline compound of the following formula (I): (I) wherein R1 and R2 are each a hydroxyl group or a hydrogen atom and satisfy the condition that, when R2 is a... N Otake,K Tatsuta,S Mizobuchi,... - EP ...
AL Biederbick,HF Kern,H P Elssser - 《European Journal of Cell Biology》 被引量: 0发表: 1995年 Monodansylcadaverine (MDC) is a specific in vivo marker for autophagic vacuoles We report the use of the autofluorescent compound monodansylcadaverine (MDC) for in vivo labeling of autophagic vacuo...
BL Bader, N Smyth, S Nedbal, N Miosge, A Baranowsky, S Mokkapati, M Murshed, R Nischt Compound genetic ablation of nidogen 1 and 2 causes basement membrane defects and perinatal lethality in mice Mol Cell Biol, 25 (2005), pp. 6846-6856, 10.1128/MCB.25.15.6846-6856.2005 View in Scop...
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Ab initio calculations at HF/6-31G* and MP2/6-31* levels were performed on selenoformamide to obtain the C-N bond rotational energy barriers. The C-N rotat... B.V. Prasad,P Uppal,P.S. Bassi - 《Chemical Physics Letters》 被引量: 45发表: 1997年 Common intermediates in the OH-ra...