FR917042A - Préparation du dihydropyrane - Google Patents

Préparation du dihydropyrane

Info

Publication number
FR917042A
FR917042A FR917042DA FR917042A FR 917042 A FR917042 A FR 917042A FR 917042D A FR917042D A FR 917042DA FR 917042 A FR917042 A FR 917042A
Authority
FR
France
Prior art keywords
dihydropyran
preparation
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
Other languages
English (en)
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of FR917042A publication Critical patent/FR917042A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/16—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D309/18—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member containing only hydrogen and carbon atoms in addition to the ring hetero atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR917042D 1941-02-21 1945-11-06 Préparation du dihydropyrane Expired FR917042A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB917042X 1941-02-21

Publications (1)

Publication Number Publication Date
FR917042A true FR917042A (fr) 1946-12-23

Family

ID=10707579

Family Applications (1)

Application Number Title Priority Date Filing Date
FR917042D Expired FR917042A (fr) 1941-02-21 1945-11-06 Préparation du dihydropyrane

Country Status (1)

Country Link
FR (1) FR917042A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119490475A (zh) * 2023-08-14 2025-02-21 中国科学院大连化学物理研究所 改性氧化铝催化四氢糠醇脱水制3,4-二氢吡喃的方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119490475A (zh) * 2023-08-14 2025-02-21 中国科学院大连化学物理研究所 改性氧化铝催化四氢糠醇脱水制3,4-二氢吡喃的方法

Similar Documents

Publication Publication Date Title
FR950091A (fr) Préparation des halogénures organo-siliciques
FR942190A (fr) Préparation de lubrifiants
FR917042A (fr) Préparation du dihydropyrane
FR887493A (fr) Dihydropyrane et son procédé de préparation
FR886724A (fr) Préparation de suspensions donnant des enduits durs
FR873873A (fr) Mode de préparation des succédanés du savon
FR870652A (fr) Procédé de préparation de sénévols
FR916929A (fr) Préparation du péroxyde de chlore
FR949909A (fr) Préparation de nitrile acrylique
FR948182A (fr) Préparation de pyrimidines
FR973665A (fr) Préparation de chlorhydrate de benzylisopropylamine
FR953666A (fr) Amélioration de matières protéiniques
FR1073666A (fr) Préparation de tripolymères
DK70214C (da) Forskibsform.
FR843424A (fr) Préparation de périnaphthindanediones substituées
ES154263A1 (es) Procedimiento de fabricacion de alpargatas
ES154560A1 (es) Procedimiento de fabricacion de compuestos tanico-albuminosos de accion astrigente
FR884367A (fr) Modification des manivelles
FR52408E (fr) Préparation de substances aphrogènes à partir du liège
ES153068A1 (es) Procedimiento de fabricación de sustitutivo de tapioca
ES153728A1 (es) Procedimiento de obtención de masas filtrantes de acción olygodinámica
FR917044A (fr) Hydrogénation des dihydropyranes
FR861827A (fr) Préparation d'éthers
FR864470A (fr) Préparation d'éthers
FR862379A (fr) Préparation des hydrocarbures saturés à chaîne ramifiée