ES436981A1 - Un metodo para la preparacion de derivados de teofilina. - Google Patents

Un metodo para la preparacion de derivados de teofilina.

Info

Publication number
ES436981A1
ES436981A1 ES436981A ES436981A ES436981A1 ES 436981 A1 ES436981 A1 ES 436981A1 ES 436981 A ES436981 A ES 436981A ES 436981 A ES436981 A ES 436981A ES 436981 A1 ES436981 A1 ES 436981A1
Authority
ES
Spain
Prior art keywords
group
theophylline
chosen
anhydride
hydrocarbon solvent
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
ES436981A
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.)
Interx Research Corp
Original Assignee
Interx Research Corp
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 Interx Research Corp filed Critical Interx Research Corp
Publication of ES436981A1 publication Critical patent/ES436981A1/es
Expired 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
    • C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
    • C07D473/08—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 1 and 3, e.g. theophylline
ES436981A 1974-11-22 1975-04-25 Un metodo para la preparacion de derivados de teofilina. Expired ES436981A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/526,219 US4000132A (en) 1974-11-22 1974-11-22 Method for synthesizing certain selected pro-drug forms of theophylline

Publications (1)

Publication Number Publication Date
ES436981A1 true ES436981A1 (es) 1977-01-01

Family

ID=24096430

Family Applications (1)

Application Number Title Priority Date Filing Date
ES436981A Expired ES436981A1 (es) 1974-11-22 1975-04-25 Un metodo para la preparacion de derivados de teofilina.

Country Status (2)

Country Link
US (1) US4000132A (es)
ES (1) ES436981A1 (es)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2729643A (en) * 1956-01-03 J-disubstmjied and i

Also Published As

Publication number Publication date
US4000132A (en) 1976-12-28

Similar Documents

Publication Publication Date Title
KR850008165A (ko) 헤테로사이클릭 유도체의 제조방법
SE7600954L (sv) Tetrahydroisokinolinderivat och forfarande for framstellning derav
KR840000521A (ko) 3-메틸플라본-8-카르복실산 에스테르류의 제조방법
ES436981A1 (es) Un metodo para la preparacion de derivados de teofilina.
ES421067A1 (es) Procedimiento para la preparacion de nuevas 2-fenilamino- imidazolinas sustituidas.
ES404744A1 (es) Un procedimiento para producir derivados de cefalosporina.
ES423058A1 (es) Procedimiento de preparacion de nuevos deivados de la i- soindolina.
ES423104A1 (es) Procedimiento para preparar anilidas heterociclicas.
KR920004369A (ko) 치환된 3-아미노 아크릴산 에스테르의 제조방법
GB1489332A (en) Reduced bicyclic pyridone derivatives
NZ194330A (en) 1-( -aminoalkyl)-3-hydroxyindol-2-ylcarboxylic acids and analogs thereof
ES451292A1 (es) Un procedimiento para la preparacion de derivados de tieno- tiacina.
ES419319A1 (es) Un procedimiento para la obtencion de derivados de acidos 3-benzoilfenilalcanoicos.
ES423746A1 (es) Procedimiento para preparar derivados de 2-aminoindano.
ES398427A1 (es) Un procedimiento para preparar 3-amido-1,2,4-triazoles.
ES434955A1 (es) Procedimiento para la obtencion de azatetraciclos.
ES423828A1 (es) Procedimiento para preparar derivados de acidos aminopenici-lanico 6-sustituidos y aminocefalosparanico 7-sustituidos.
ES423745A1 (es) Procedimiento para preparar derivados de 2-aminoindano.
ES406726A1 (es) Un procedimiento para preparar dimetilsulfoxidos y dimetil-sulfonas de acido benzoico sustituido.
ES448324A1 (es) Procedimiento para preparar 1,2,3,4-tetrahidro-4-oxo-1-naf- tilureas.
ES401342A1 (es) Procedimiento para la preparacion de nuevos derivados de lapiridina y de sus sales.
ES421073A3 (es) Un metodo para preparar quinoxalinadi-n-oxidos.
ES404115A1 (es) Un procedimiento para la produccion de un derivado de 1- benzoiloxi-2-alquil-(inferior) aminobenzocicloalcano.
ES413367A1 (es) Procedimiento para la obtencion de la 2-propil-pentamida.
ES436145A1 (es) Procedimiento para la obtencion de un derivado heterocicli- co.