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
CA895882A
Inventor
Yoneda Naoto
Ishihara Teruo
Kobayashi Tetsuji
Kondo Yasuzo
Kojima Michio
Nose Takashi
Okumura Kentaro
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.)
Tanabe Seiyaku Co Ltd
Original Assignee
Tanabe Seiyaku Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA895882ApublicationCriticalpatent/CA895882A/en
17.alpha.-ALKYNYL DERIVATIVES OF 4,7.alpha.-DIMETHYL-4-ANDROSTENES, 4,7.alpha.-DIMETHYL-5(.alpha. AND .beta.)-ANDROSTANES AND 19-NORANDROSTANES AND THEIR 2.alpha.-METHYL COUNTERPARTS