the invention concerns a process for the production of ketale of 4 - and 5 - brombutanals brompentanals formula it is dihydrofuran or 2.3 3.4 - dihydro - 2h - pyran in a solvent in the presence of a catalyst with neopentylglykol and bromiert then the resulting product. the invention ...
the invention concerns a process for the production of ketale of 4 - and 5 - brombutanals brompentanals formula it is dihydrofuran or 2.3 3.4 - dihydro - 2h - pyran in a solvent in the presence of a catalyst with neopentylglykol and brom... BARTELS GUNTER DR. - EP 被引量: 0发表...
Tert-butyl 4-((3-bromopropyl)amino)-succinate (21). In two-necked round bottom flask, equipped to perform (r4ea mctli)o, nHuBnTdUer(3N224a mtmg,o0s.p8h6e mrem, tool)a, solution of mono tert-butyl pentandioic acid (100 mg, 0.57 mmol) TEA (120 µl, 0.86...
Nwadayswiththeeverrapiddevelpentandinreasingppularityftheinfratintehnlgy,shppingntheinternethasbeenafashinespeiallyangtheyungsters nlineshppinghasadeurdailyliferenvenientandfrtableFreaple,shppingntheinternetansavestudentsagreatdealftienthewaybetweenheandstre,stheywuldbeabletnentrateretieandenergyntheiraadeiwrThe...
peptonurie, Peptostreptococcus, péquenaud, péquin, péquiste, per, per os, péracéphale, peracide, péracidite, 相似单词 拿热水洗, 拿人, 拿人命去冒险, 拿日薪, 拿撒勒画派, 拿生命去冒险, 拿声誉冒险, 拿事, 拿事实证明, 拿手, 法汉-汉法词典 hasarder sa vie ...
用户正在搜索pentane, pentanediacide, pentaniseur, pentanoate, pentanol, pentanone, pentapeptide, pentapétale, pentaphényl, pentaploïde, 相似单词北美印第安人用的长管烟斗, 北美油松, 北美洲, 北美洲人, 北门, 北面, 北面的, 北欧, 北欧传说, 北欧的, 法汉-汉法词典 nornord...
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peptonurie, Peptostreptococcus, péquenaud, péquin, péquiste, per, per os, péracéphale, peracide, péracidite, 相似单词 步人后尘, 步入, 步入歧途, 步哨, 步速, 步态, 步态电描记器, 步态描记器, 步态蹒跚, 步态障碍, 法汉-汉法词典 démarchepaspied 法语例句库 Les caractéristiques suscepti...