DE3729471C2 - - Google Patents

Info

Publication number
DE3729471C2
DE3729471C2 DE19873729471 DE3729471A DE3729471C2 DE 3729471 C2 DE3729471 C2 DE 3729471C2 DE 19873729471 DE19873729471 DE 19873729471 DE 3729471 A DE3729471 A DE 3729471A DE 3729471 C2 DE3729471 C2 DE 3729471C2
Authority
DE
Germany
Prior art keywords
formamide
reaction
guanine
triamino
mixture
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
DE19873729471
Other languages
German (de)
English (en)
Other versions
DE3729471A1 (de
Inventor
Marcel Dr. 5000 Koeln De Feld
Helmut Aus Der Dr. 5216 Niederkassel De Fuenten
Wilhelm Dr. 5000 Koeln De Vogt
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.)
Evonik Operations GmbH
Original Assignee
Huels AG
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 Huels AG filed Critical Huels AG
Priority to DE19873729471 priority Critical patent/DE3729471A1/de
Publication of DE3729471A1 publication Critical patent/DE3729471A1/de
Application granted granted Critical
Publication of DE3729471C2 publication Critical patent/DE3729471C2/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D473/00—Heterocyclic compounds containing purine ring systems
    • C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/18—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 one oxygen and one nitrogen atom, e.g. guanine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE19873729471 1987-09-03 1987-09-03 Verfahren zur herstellung von guanin Granted DE3729471A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873729471 DE3729471A1 (de) 1987-09-03 1987-09-03 Verfahren zur herstellung von guanin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873729471 DE3729471A1 (de) 1987-09-03 1987-09-03 Verfahren zur herstellung von guanin

Publications (2)

Publication Number Publication Date
DE3729471A1 DE3729471A1 (de) 1989-03-16
DE3729471C2 true DE3729471C2 (US07652168-20100126-C00068.png) 1992-04-16

Family

ID=6335152

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873729471 Granted DE3729471A1 (de) 1987-09-03 1987-09-03 Verfahren zur herstellung von guanin

Country Status (1)

Country Link
DE (1) DE3729471A1 (US07652168-20100126-C00068.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4422587C2 (de) * 1994-06-28 2000-11-30 Sueddeutsche Kalkstickstoff Verfahren zur Herstellung von Purinen

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3928365A1 (de) * 1989-08-28 1991-03-07 Huels Chemische Werke Ag Verfahren zur herstellung von reinem guanin
DE4136114C2 (de) * 1991-11-02 1995-05-24 Boehringer Ingelheim Kg Verbessertes Verfahren zur Herstellung von Guanin und seiner Alkalimetallsalze
DE19857949A1 (de) 1998-12-16 2000-06-21 Degussa Verfahren zur Herstellung von Guanin unter Druck
US20050257718A1 (en) * 2004-05-22 2005-11-24 Engelhard Corporation Natural Pearl in Butylene Glycol
CN106117207B (zh) * 2016-06-16 2019-01-04 江苏八巨药业有限公司 一种制备鸟嘌呤的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5855485A (ja) * 1981-09-28 1983-04-01 Kohjin Co Ltd グアニンの精製法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4422587C2 (de) * 1994-06-28 2000-11-30 Sueddeutsche Kalkstickstoff Verfahren zur Herstellung von Purinen

Also Published As

Publication number Publication date
DE3729471A1 (de) 1989-03-16

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8127 New person/name/address of the applicant

Owner name: HUELS AG, 4370 MARL, DE

D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DEGUSSA-HUELS AG, 60311 FRANKFURT, DE

8327 Change in the person/name/address of the patent owner

Owner name: DEGUSSA AG, 40474 DUESSELDORF, DE

8339 Ceased/non-payment of the annual fee