Derivatives of pyrazine carboxylic acid and processes for their production

Invention Grant

US2176063A Derivatives of pyrazine carboxylic acid and processes for their production 失效

Patent Title: Derivatives of pyrazine carboxylic acid and processes for their production
Application No.: US16083037

Application Date: 1937-08-25
Publication No.: US2176063A

Publication Date: 1939-10-17
Inventor: OTTO DALMER , CLAUS DIEHL , EUGEN WALTER
Applicant: MERCK & CO INC
Assignee: Advanced Micro Devices Inc
Current Assignee: Advanced Micro Devices Inc
Priority: DE2176063X 1936-09-01
Main IPC: C07D241/24
IPC: C07D241/24

Public/Granted literature

Information query

Espacenet

IPC分类:

C	化学；冶金
C07	有机化学
C07D	杂环化合物（高分子化合物入C08）
C07D241/00	杂环化合物，含1,4-二嗪环或氢化1,4-二嗪环
C07D241/02	.不与其他环稠合
C07D241/10	..环原子间或环原子与非环原子间有3个双键
C07D241/14	...有杂原子或有以3个键连杂原子、其中最多以1个键连卤素的碳原子，例如，酯基或腈基，直接连在环碳原子上
C07D241/24	....以3个键连杂原子、其中最多以1个键连卤素的碳原子，例如酯基或腈基