DE69803538D1 - Batch-Gross-Verfahren zur Herstellung von Diazomethan - Google Patents

Batch-Gross-Verfahren zur Herstellung von Diazomethan

Info

Publication number
DE69803538D1
DE69803538D1 DE69803538T DE69803538T DE69803538D1 DE 69803538 D1 DE69803538 D1 DE 69803538D1 DE 69803538 T DE69803538 T DE 69803538T DE 69803538 T DE69803538 T DE 69803538T DE 69803538 D1 DE69803538 D1 DE 69803538D1
Authority
DE
Germany
Prior art keywords
diazomethane
reaction vessel
phase
maintained
less
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 - Lifetime
Application number
DE69803538T
Other languages
English (en)
Other versions
DE69803538T2 (de
Inventor
Thomas G Archibald
Der-Shing Huang
Mark H Pratton
James C Barnard
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.)
Ampac Fine Chemicals LLC
Original Assignee
Aerojet Fine Chemicals LLC
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 Aerojet Fine Chemicals LLC filed Critical Aerojet Fine Chemicals LLC
Application granted granted Critical
Publication of DE69803538D1 publication Critical patent/DE69803538D1/de
Publication of DE69803538T2 publication Critical patent/DE69803538T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C245/00—Compounds containing chains of at least two nitrogen atoms with at least one nitrogen-to-nitrogen multiple bond
    • C07C245/12—Diazo compounds, i.e. compounds having the free valencies of >N2 groups attached to the same carbon atom
    • C07C245/14—Diazo compounds, i.e. compounds having the free valencies of >N2 groups attached to the same carbon atom having diazo groups bound to acyclic carbon atoms of a carbon skeleton
    • C07C245/16—Diazomethane
DE69803538T 1997-11-13 1998-11-11 Batch-Gross-Verfahren zur Herstellung von Diazomethan Expired - Lifetime DE69803538T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/970,035 US5817778A (en) 1997-11-13 1997-11-13 Large scale batch process for diazomethane

Publications (2)

Publication Number Publication Date
DE69803538D1 true DE69803538D1 (de) 2002-03-14
DE69803538T2 DE69803538T2 (de) 2002-08-08

Family

ID=25516336

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69803538T Expired - Lifetime DE69803538T2 (de) 1997-11-13 1998-11-11 Batch-Gross-Verfahren zur Herstellung von Diazomethan

Country Status (6)

Country Link
US (1) US5817778A (de)
EP (1) EP0916649B1 (de)
JP (1) JP3017982B2 (de)
AT (1) ATE212330T1 (de)
BR (1) BR9804639A (de)
DE (1) DE69803538T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6605732B1 (en) * 1999-05-03 2003-08-12 Aerojet Fine Chemicals Llc Clean, high-yield preparation of S,S and R,S amino acid isosteres
GB2357501B (en) * 1999-12-23 2001-11-28 Phoenix Chemicals Ltd Generation of diazomethane
DE102004030371A1 (de) * 2004-06-23 2006-01-19 Dynamit Nobel Gmbh Verfahren zur Herstellung von gasförmigen Diazoalkanen
GB0619395D0 (en) * 2006-10-02 2006-11-08 Almac Sciences Ltd Soluble diazoalkane precursors
CN101844063B (zh) * 2010-06-24 2013-09-25 凯莱英医药集团（天津）股份有限公司 一种大批量连续安全生产重氮甲烷反应器及其工作方法
GB201201066D0 (en) * 2012-01-23 2012-03-07 Bakhu Ltd A method for the preparation of diazoalkanes
CN104557606B (zh) * 2013-10-18 2017-06-30 中国石油化工股份有限公司 一种利用重氮甲烷甲基化的方法
US9233924B2 (en) 2014-03-11 2016-01-12 Ampac Fine Chemicals Llc Methods for preparing D-threo methylphenidate using diazomethane, and compositions thereof
WO2020232625A1 (zh) 2019-05-21 2020-11-26 凯莱英医药集团（天津）股份有限公司 重氮甲烷的制备工艺

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6351366A (ja) * 1986-08-21 1988-03-04 Kurita Water Ind Ltd ジアゾメタンのエ−テル溶液の製造方法
US5459243A (en) * 1994-03-10 1995-10-17 Isis Pharmaceuticals, Inc. Apparatus and processes for the large scale generation and transfer of diazomethane

Also Published As

Publication number Publication date
EP0916649B1 (de) 2002-01-23
BR9804639A (pt) 2001-03-20
JPH11228516A (ja) 1999-08-24
DE69803538T2 (de) 2002-08-08
JP3017982B2 (ja) 2000-03-13
US5817778A (en) 1998-10-06
ATE212330T1 (de) 2002-02-15
EP0916649A1 (de) 1999-05-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AMPAC FINE CHEMICALS LLC, RANCHO CORDOVA, CALI, US