The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 19, 1977
Filed:
Feb. 02, 1976
Raj Kumar Razdan, Belmont, MA (US);
Haldean Cloyce Dalzell, Weston, MA (US);
Sharps Associates, Cambridge, MA (US);
Abstract
3-Formyl-6a,7,10,10a-tetrahydro-6,6,9-trimethyl-6H-dibenzo[b,d]pyran-1-ol, ethers and esters thereof having the formula ##STR1## wherein R is hydrogen, lower alkyl or lower alkanoyl and R.sub.6 is formyl or 1,3-dithiolan-2-yl but is 1,3-dithiolan-2-yl only when R is hydrogen, and derivatives thereof of the formula ##STR2## wherein R.sub.1 is hydrogen or lower alkanoyl, R.sub.2 is alkyl, aryl-lower alkyl or cycloalkyl-lower alkyl, A represents ##STR3## when R.sub.1 is hydrogen and R.sub.3 is lower alkyl, and A is ##STR4## when R.sub.1 is lower alkanoyl and R.sub.4 is the same lower alkanoyl represented by R.sub.1, processes of making such compounds and intermediates useful in such processes, pharmaceutical compositions containing the compounds and the use of the compounds as tranquilizing and antidepressant agents.