FI923615A - Substituted N3-thioacylsemicarbazides - Google Patents

Substituted N3-thioacylsemicarbazides Download PDF

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Publication number
FI923615A
FI923615A FI923615A FI923615A FI923615A FI 923615 A FI923615 A FI 923615A FI 923615 A FI923615 A FI 923615A FI 923615 A FI923615 A FI 923615A FI 923615 A FI923615 A FI 923615A
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FI
Finland
Prior art keywords
alkyl
alkoxy
phenyl
useful intermediates
thioacylsemicarbazides
Prior art date
Application number
FI923615A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI91854C (en
FI923615A0 (en
FI91854B (en
Inventor
Ving Jick Lee
William Vincent Curran
Original Assignee
American Cyanamid Co
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
Priority claimed from US06/883,189 external-priority patent/US4803280A/en
Application filed by American Cyanamid Co filed Critical American Cyanamid Co
Publication of FI923615A0 publication Critical patent/FI923615A0/en
Publication of FI923615A publication Critical patent/FI923615A/en
Application granted granted Critical
Publication of FI91854B publication Critical patent/FI91854B/en
Publication of FI91854C publication Critical patent/FI91854C/en

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  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Hydrogenated Pyridines (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members (AREA)

Abstract

The invention relates to N3-thioacyl semicarbazides of the formula <IMAGE> wherein R1 is hydrogen, C1-6 alkyl, polyfluorinated C1-6 alkyl, phenyl, multisubstituted phenyl wherein the substituents are C1-6 alkyl, C1-3 alkoxy, chloro, fluoro and/or trifluoromethyl, naphthyl, thienyl, phenylthio, tetrahydropyranyl, benzyl or -COOC2H5, and R2 is amino or C1-3 alkoxy. Compounds according to the invention are useful intermediates in the preparation of 1,2,3-thiadiazole-4- thiolates. 1,2,3-thiadiazoles are themselves useful intermediates in the production of cephalosporins.
FI923615A 1986-07-08 1992-08-12 Substituted N3-thioacylsemicarbazides FI91854C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/883,189 US4803280A (en) 1986-07-08 1986-07-08 Substituted 1,2,3-thia-diazole-4-thiolates
US88318986 1986-07-08
FI873000A FI92197C (en) 1986-07-08 1987-07-07 Substituted 1,2,3-thiadiazole-4-thiolates
FI873000 1987-07-07

Publications (4)

Publication Number Publication Date
FI923615A0 FI923615A0 (en) 1992-08-12
FI923615A true FI923615A (en) 1992-08-12
FI91854B FI91854B (en) 1994-05-13
FI91854C FI91854C (en) 1994-08-25

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ID=26158189

Family Applications (1)

Application Number Title Priority Date Filing Date
FI923615A FI91854C (en) 1986-07-08 1992-08-12 Substituted N3-thioacylsemicarbazides

Country Status (1)

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FI (1) FI91854C (en)

Also Published As

Publication number Publication date
FI91854C (en) 1994-08-25
FI923615A0 (en) 1992-08-12
FI91854B (en) 1994-05-13

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