N-(2,4-DINITROPHENYL)-L-ALANINEN-(2,4-二硝基苯)-L-丙氨酸1655-52-3 Allyl glycidyl ether烯丙基缩水甘油醚106-92-3 1,8-Bis(dimethylamino)naphthalene1,8-双二甲氨基萘20734-58-1 3-NITROPROPIONIC ACID3-硝基丙酸504-88-1 4-Benzyloxy
2-(2,4-dinitrophenyl)-1,3-dihydroxypropane Conditions ConditionsYield With tetraethylammonium tosylate In N,N-dimethyl-formamide for 3.6h; Ambient temperature; electroreduction;99% Stage #1: formaldehyd; 2,4-dinitrotoluene With potassium tert-butylate In 1-methyl-pyrrolidin-2-one at 18 - 28℃;...
Thus, for example, amino groups may be protected by a group selected from aralkyl (e.g., benzyl), acyl or aryl (e.g., 2,4-dinitrophenyl); subsequent removal of the protecting group being effected when desired by hydrolysis or hydrogenolysis as appropriate using standard conditions. Hydroxyl...
4-硝基苯-β-D-吡喃木糖苷 4-Nitrophenyl-beta-D-xylopyranoside 2001-96-9 C11H13NO7 4-硝基苯-β-D-吡喃葡萄糖苷 4-Nitrophenyl-beta-D-glucopyranoside 2492-87-7 C12H15NO8 4-硝基苯-β-D-吡喃乳糖苷 4-Nitrophenyl-beta-D-lactopyranoside 4419-94-7 C18H25NO13 4-硝基苯-β-D-葡糖醛酸 4-Ni...
4-dinitrophenyl-l-phenylglycinamide (HDNP-d-Phg-NH2) were synthesized by straightforward two-step synthesis starting from 1,5-difluoro-2,4-dinitrobenzene. Nucleophilic substitution of one fluorine atom in DFDNB with different amino acid amides yielded Marfey's reagent (5-fluoro-2,4-dinitrophenyl...
treating a compound of formula 8A or a salt thereof with O-(2,4-dinitrophenyl)hydroxylamine to form a compound of formula 9A and b) treating the compound of formula 9A with acrylonitrile or an acrylonitrile derivative in the presence of a first non-nucleophilic base to form the compound of ...
nmr (CDC13) 6 5.11 (lH, s, H-1), 5.85 (2H, s, H-2, H-3), Since the enone 2b could not be induced to form either a 5.16 (lH, d, Jd5= 10 HZ,H-4), 3.0-4.2 (SH, m, H-5, H-6, 2,4-dinitrophenylhydrazoneor a semicarbazone, it was H-6', OCHZCH~)1, .26 (...
Part 1. Reactions of piperidine with 2,4-dinitrophenyl 4-nitrophenyl ether and 2,4-dinitrophenyl phenyl sulphone 机译:催化芳香族亲核取代。第 1 部分。哌啶与2,4-二硝基苯基-4-硝基苯醚和2,4-二硝基苯基苯砜的反应 作者:Domenico Spinelli 期刊名称:《Journal of the Chemical Society. Perkin ...
(T)500g1990现货0.5T1125-25mL429-41-4四丁基***化铵 (约1mol/L的***溶液) [用于***基化,硅化反应和硅醚裂解反应的催化剂]Tetrabutylammonium Fluoride (ca. 1mol/L in Tetrahydrofuran) [for Catalyst of acylation, silylation and cleavage of Silyl Ether]25mL650现货0.025T1125-100mL429-41-4四丁基...
Presep-C DNPH使用包被2,4-dinitrophenylhydrazine的硅胶作填充剂,最适合 醛类的吸附及衍生化。同时,Presep-C DNPH(Short)因材料和过滤器的改善,可实现高流速采样。 规格 项目Presep-C DNPH(Short) Presep-C DNPH 材料 粉碎状硅胶 粉碎状硅胶 材料 粒径:150-450μm 粒径:75-150μm 材料 孔径:7.0nm 孔径...