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GB1232257A - - Google Patents

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Publication number
GB1232257A
GB1232257A GB1232257DA GB1232257A GB 1232257 A GB1232257 A GB 1232257A GB 1232257D A GB1232257D A GB 1232257DA GB 1232257 A GB1232257 A GB 1232257A
Authority
GB
United Kingdom
Prior art keywords
acetylene
reaction
carried out
propargyl alcohol
formaldehyde
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
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 filed Critical
Publication of GB1232257A publication Critical patent/GB1232257A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/36—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal
    • C07C29/38—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal by reaction with aldehydes or ketones
    • C07C29/42—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal by reaction with aldehydes or ketones with compounds containing triple carbon-to-carbon bonds, e.g. with metal-alkynes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1,232,257. Propargyl alcohol; butynediol. BADISCHE ANILIN- & SODA-FABRIK A.G. 20 Sept., 1968 [23 Sept., 1967], No. 44780/68. Heading C2C. A process for the production of propargyl alcohol butynediol being formed as a by-product comprises reacting formaldehyde with acetylene at elevated temperatures and at superatmospheric pressure in the presence of copper acetylide supported on a carrier, the reaction being carried out in a plurality of successive stages and a molar ratio of dissolved acetylene to propargyl alcohol of from 1À1 : 1 to 15 : 1 being maintained in the second reaction stage and in the following reaction stages, if any. A 1 to 25% by weight aqueous solution of formaldehyde is generally used. The reaction may be carried out in the presence of a solvent for acetylene, those which under the reaction conditions absorb more than 2 cm.<SP>3</SP> of gaseous acetylene per cm.<SP>3</SP> of solvent; at a temperature from 70‹ to 150‹ C.; at an acetylene partial pressure of up to 60 atmospheres and at a total pressure of up to 500 atmospheres. The supported catalyst preferably contains from 8 to 25% by weight of copper acetylide with reference to the total weight of carrier and copper acetylide. The catalyst may contain additives such as bismuth oxide. The process may be carried out by passing the formaldehyde solution and the acetylene cocurrently downwards over a fixed-bed catalyst. The process may also be effected in the liquid phase, i.e. without maintaining a gas phase in the reactor.
GB1232257D 1967-09-23 1968-09-20 Expired GB1232257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1643666 1967-09-23

Publications (1)

Publication Number Publication Date
GB1232257A true GB1232257A (en) 1971-05-19

Family

ID=5684350

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1232257D Expired GB1232257A (en) 1967-09-23 1968-09-20

Country Status (3)

Country Link
JP (1) JPS4715806B1 (en)
FR (1) FR1580740A (en)
GB (1) GB1232257A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0305688A1 (en) * 1987-09-04 1989-03-08 Gaf-Hüls Chemie Gmbh Process for the production of propynol

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002060358A (en) * 2000-06-05 2002-02-26 Showa Denko Kk Method for producing propargyl alcohol its intermediate, and use of the intermediate
WO2001074747A1 (en) * 2000-03-31 2001-10-11 Showa Denko K.K. Propargyl alcohol, process for producing intermediate therefor, and use thereof
JP2001342153A (en) * 2000-03-31 2001-12-11 Showa Denko Kk Method for producing propargyl alcohol and use thereof
DE10333598A1 (en) * 2003-07-24 2005-02-17 Basf Ag Production of propargyl alcohol used e.g. as pesticide intermediate, involves converting aqueous formaldehyde solution containing acetylene and organic solvent in presence of fluidized catalyst containing copper acetylide

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0305688A1 (en) * 1987-09-04 1989-03-08 Gaf-Hüls Chemie Gmbh Process for the production of propynol
US4847440A (en) * 1987-09-04 1989-07-11 Huels Aktiengesellschaft Method of manufacturing propynol

Also Published As

Publication number Publication date
FR1580740A (en) 1969-09-05
JPS4715806B1 (en) 1972-05-11

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee