BE471642A - - Google Patents

Info

Publication number
BE471642A
BE471642A BE471642DA BE471642A BE 471642 A BE471642 A BE 471642A BE 471642D A BE471642D A BE 471642DA BE 471642 A BE471642 A BE 471642A
Authority
BE
Belgium
Prior art keywords
sep
water
reaction
salt
amine
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE471642A publication Critical patent/BE471642A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C279/00Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups
    • C07C279/20Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups containing any of the groups, X being a hetero atom, Y being any atom, e.g. acylguanidines
    • C07C279/24Y being a hetero atom
    • C07C279/26X and Y being nitrogen atoms, i.e. biguanides
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C279/00Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups
    • C07C279/28Derivatives of guanidine, i.e. compounds containing the group, the singly-bound nitrogen atoms not being part of nitro or nitroso groups having nitrogen atoms of guanidine groups bound to cyano groups, e.g. cyanoguanidines, dicyandiamides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE471642D BE471642A (d)

Publications (1)

Publication Number Publication Date
BE471642A true BE471642A (d)

Family

ID=121448

Family Applications (1)

Application Number Title Priority Date Filing Date
BE471642D BE471642A (d)

Country Status (1)

Country Link
BE (1) BE471642A (d)

Similar Documents

Publication Publication Date Title
BE1008403A4 (fr) Procede de cristallisation d'iopamidol.
HU229253B1 (en) Process for johexol manufacture
BE471642A (d)
JP3400105B2 (ja) 光学活性スルホン酸誘導体およびその製法
US2779786A (en) Process of preparing 2-semicarbazidoacetic acid
JP3407336B2 (ja) アミノエタンスルホン酸類の精製方法
CA1276644C (fr) Benzamides, leur procede de preparation et leur application dans le domaine therapeutique
JPS61501704A (ja) 光学的活性フェニルアラニンおよびそれらのn−アシル誘導体並びにそれらの化合物の新規なジアステレオマ−塩の製造方法
BE552846A (d)
BE546776A (d)
JPS59116250A (ja) 光学活性α―p―トリルエチルアミンの製造方法
BE470858A (d)
BE503348A (d)
BE551306A (d)
BE696488A (d)
JPH013157A (ja) 2−アミノベンジルアルコ−ル誘導体
BE439828A (d)
BE513651A (d)
JPS6341386B2 (d)
BE539965A (d)
BE543617A (d)
BE442010A (d)
CH318194A (fr) Procédé de dédoublement direct du thréo-1-p-nitrophényl-2-amino-propanediol-(1,3) racémique en ses antipodes
JPS63225351A (ja) 2,6−ナフタレンジスルホン酸の分離方法
BE567190A (d)