IP Library › Granted Patent US 6,897,314
Granted Patent B2
US 6,897,314 · App. 10/624,014 · Granted May 24, 2005

Process for preparing imidazoquinolinamines

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Quick Facts
Patent No.
US 6,897,314
App. No.
10/624,014
Granted
May 24, 2005
Kind
B2
Abstract

A process for preparing 1H-imidazo[4,5-c]quinolin-4-amines is disclosed. The process involves reacting a 6H-imidazo[4,5-c]tetrazolo[1,5-a]quinoline with triphenylphosphine and hydrolyzing the product thereof.

Claims (5)

1. A compound of Formula V

wherein R 1 is selected from the group consisting of alkyl of one to about six carbon atoms, hydroxyalkyl wherein the alkyl moiety contains one to about 6 carbon atoms, and arylalkyl wherein the alkyl moiety contains one to about three carbon atoms; and

R is hydrogen.

2. A compound according to claim 1 wherein R 1 is selected from the group consisting of 2-methylpropyl, 2-hydroxy-2-methylpropyl, benzyl and phenylethyl.

3. A compound according to claim 2 wherein R 1 is 2-methylpropyl.

Assignments (4)
RELEASE OF SECURITY INTEREST Recorded Apr 8, 2025
From: BARCLAYS BANK PLC, AS COLLATERAL AGENT
To: SOLTA MEDICAL, INC.; PRECISION DERMATOLOGY, INC.; BAUSCH HEALTH IRELAND LIMITED (F/K/A/ VALEANT PHARMACEUTICALS IRELAND LIMITED); SALIX PHARMACEUTICALS, INC.; SALIX PHARMACEUTICALS, LTD; SANTARUS, INC.; MEDICIS PHARMACEUTICAL CORPORATION; HUMAX PHARMACEUTICAL S.A.; SOLTA MEDICAL IRELAND LIMITED; BAUSCH & LOMB MEXICO, S.A. DE C.V.; BAUSCH+LOMB OPS B.V.; BAUSCH HEALTH AMERICAS, INC.; BAUSCH HEALTH COMPANIES INC.; BAUSCH HEALTH HOLDCO LIMITED; BAUSCH HEALTH MAGYARORSZAG KFT (A/K/A BAUSCH HEALTH HUNGARY LLC); BAUSCH HEALTH POLAND SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA (F/K/A VALEANT PHARMA POLAND SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA); BAUSCH HEALTH US, LLC; BAUSCH HEALTH, CANADA INC. / SANTE BAUSCH, CANADA INC.; ICN POLFA RZESZOW SPOLKA AKCYJNA (A/K/A ICN POLFA RZESZOW S.A.); ORAPHARMA, INC.; PRZEDSIEBIORSTWO FARMACEUTYCZNE JELFA SPOLKA AKCYJNA (A/K/A PRZEDSIEBIORSTWO FARMACEUTYCZNE JELFA S.A.); SOLTA MEDICAL DUTCH HOLDINGS B.V.; V-BAC HOLDING CORP.; VRX HOLDCO LLC; 1261229 B.C. LTD.; 1530065 B.C. LTD.
Reel/Frame 070778/0199 →
NOTICE OF SUCCESSION OF AGENCY Recorded Jan 9, 2015
From: GOLDMAN SACHS LENDING PARTNERS, LLC
To: BARCLAYS BANK PLC, AS SUCCESSOR AGENT
Reel/Frame 034749/0689 →
SECURITY AGREEMENT Recorded Apr 24, 2013
From: MEDICIS PHARMACEUTICAL CORPORATION
To: GOLDMAN SACHS LENDING PARTNERS LLC
Reel/Frame 030281/0433 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 13, 2011
From: GRACEWAY PHARMACEUTICALS, LLC
To: MEDICIS PHARMACEUTICAL CORPORATION
Reel/Frame 027370/0813 →