GB982726A - Preparation of ª‰-(hydanto-5-yl)-propionaldehyde phenylhydrazone - Google Patents

Preparation of ª‰-(hydanto-5-yl)-propionaldehyde phenylhydrazone

Info

Publication number
GB982726A
GB982726A GB2110663A GB2110663A GB982726A GB 982726 A GB982726 A GB 982726A GB 2110663 A GB2110663 A GB 2110663A GB 2110663 A GB2110663 A GB 2110663A GB 982726 A GB982726 A GB 982726A
Authority
GB
United Kingdom
Prior art keywords
hydanto
propionaldehyde
cyanoethylhydantoin
amounts
phenylhydrazone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2110663A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ajinomoto Co Inc
Original Assignee
Ajinomoto Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ajinomoto Co Inc filed Critical Ajinomoto Co Inc
Publication of GB982726A publication Critical patent/GB982726A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D233/72—Two oxygen atoms, e.g. hydantoin

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

The invention comprises b -(hydanto-5-yl) propionaldehyde phenylhydrozone of the formula <FORM:0982726/C2/1> It is prepared by reducing 5-cyanoethylhydantoin in aqueous acid solution in the presence of a Raney-nickel catalyst, under a hydrogen pressure of 1 to 70 kg./cm.2 at 5 DEG to 50 DEG C. and reacting the b -(hydanto-5-yl) propionaldehyde with phenylhydrazine. The acid may be acetic, formic, propionic, tartaric, or phosphoric acid present in amounts of from 2 to 10 moles per mole of 5-cyanoethylhydantoin used. The aqueous medium may be water, aqueous methanol, ethanol or dioxane. The nickel catalyst is used in amounts of from 1/4 to 1/2 the amount by weight of 5-cyanoethylhydantoin, and lead or lead ions in amount of at least 2% by weight may also be present. Specification 982,727 is referred to.
GB2110663A 1962-06-15 1963-05-27 Preparation of ª‰-(hydanto-5-yl)-propionaldehyde phenylhydrazone Expired GB982726A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2433062 1962-06-15

Publications (1)

Publication Number Publication Date
GB982726A true GB982726A (en) 1965-02-10

Family

ID=12135155

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2110663A Expired GB982726A (en) 1962-06-15 1963-05-27 Preparation of ª‰-(hydanto-5-yl)-propionaldehyde phenylhydrazone

Country Status (1)

Country Link
GB (1) GB982726A (en)

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