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MASS SPECTROMETRIC STUDIES OF 3-SUBSTITUTED-5-AMINO-1,3,4-THIADIAZOLIN-2-ONES

โœ Scribed by Lee, Un Chul; Lee, Won; Kim, Yun Je; Park, Song Ja; Ra, Do Young; Cho, Nam Sook


Book ID
126588334
Publisher
Taylor and Francis Group
Year
1998
Tongue
English
Weight
395 KB
Volume
139
Category
Article
ISSN
1042-6507

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๐Ÿ“œ SIMILAR VOLUMES


Aroylation of 5-amino-2H-1,2,4-thiadiazo
โœ Nam Sook Cho; Chan Soo Ra; Do Young Ra; Jin Soo Song; Sung Kwon Kang ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 413 KB
Acylation of 5-amino-3H-1,3,4-thiadiazol
โœ Do Young Ra; Nam Sook Cho; Jae Joo Cho ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 364 KB

## Abstract Acylation of 5โ€aminoโ€3__H__โ€1,3,4โ€thiadiazolinโ€2โ€one (2) was undertaken selectively at either the 3โ€NH position or at 5โ€amino group depending on reaction conditions. The 3โ€NH is highly acidic and acylation takes place with acid anhydrides at this position in high yields in the presence

Synthetic and spectroscopic study of 5-a
โœ Do Young Ra; Nam Sook Cho; Jung Hyun Moon; Sung Kwon Kang ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 380 KB

## Abstract 5โ€Aminoโ€2โ€acylโ€1,2,4โ€thiadiazolinโ€3โ€ones 2โ€“1 can be synthesized from 5โ€aminoโ€2__H__โ€1,2,4โ€thiadiazolinโ€3โ€one (1โ€“1) __via__ a selective acylation with an acid anhydride in pyridine. The ^1^H nmr spectral characteristics of 5โ€aminoโ€2โ€acylโ€1,2,4โ€thiadiazolinโ€3โ€ones 2โ€“1 is in particular, co

Aroylation of 5-amino-2H-1,2,4-thiadiazo
โœ Nam Sook Cho; Chan Soo Ra; Do Young Ra; Jin Soo Song; Sung Kwon Kang ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 427 KB