多么一对!据报道,分子内 C(sp 3 ) N 偶联可提供氮杂环。该反应通过用碘氧化苄型 C,N-二价阴离子进行,并建立在合成天然产物 lyconadin A 期间的早期发现的基础上。目前的研究使用具有较低酸性 C H 键和较低活性氮亲核试剂的构象无偏底物. ZnCl 2被确定为一种重要的添加剂。
多么一对!据报道,分子内 C(sp 3 ) N 偶联可提供氮杂环。该反应通过用碘氧化苄型 C,N-二价阴离子进行,并建立在合成天然产物 lyconadin A 期间的早期发现的基础上。目前的研究使用具有较低酸性 C H 键和较低活性氮亲核试剂的构象无偏底物. ZnCl 2被确定为一种重要的添加剂。
This invention relates to novel compounds having the structural diagram (I) and to their pharmaceutical compositions and to their methods of use. These novel compounds provide a treatment or prophylaxis of cancer.
[EN] FOAMS AND ARTICLES MADE FROM FOAMS CONTAINING 1-CHLORO-3,3,3-TRIFLUOROPROPENE (HCFO-1233ZD)<br/>[FR] MOUSSES ET ARTICLES FABRIQUÉS À PARTIR DE MOUSSES CONTENANT DU 1-CHLORO-3,3,3-TRIFLUOROPROPÈNE (HFCO-1233ZD)
申请人:HONEYWELL INT INC
公开号:WO2012015887A2
公开(公告)日:2012-02-02
The present invention relates to poured-in place polyurethane foams and polyol premixes comprising 1-chloro-3,3,3-trifluoropropene (HFCO-1233zd) and one or more additional co-blowing agents.
[EN] STORAGE STABLE FOAMABLE COMPOSITIONS CONTAINING 1,1,1,4,4,4-HEXAFLUORO-2-BUTENE<br/>[FR] COMPOSITIONS POUVANT MOUSSER STABLES AU STOCKAGE CONTENANT DU 1,1,1,4,4,4-HEXAFLUORO-2-BUTÈNE
申请人:HONEYWELL INT INC
公开号:WO2014137969A1
公开(公告)日:2014-09-12
In certain non-limiting, aspects, the present invention relates to storage stable premixes of a polyol suitable for polyurethane or polyisocyanurate foam preparation having, at least, 1,1,1,4,4,4-hexafluoro-2-butene (1336mzzm) as the blowing agent and optional one or more additional additives and/or auxillary blowing agents in amounts suitable for polyurethane or polyisocyanurate foam preparation.