McInally, Thomas et al. published their patent in 2012 |CAS: 142327-44-4

The Article related to imidazoquinoline preparation asthma copd cancer hepatitis allergic rhinitis treatment, Heterocyclic Compounds (More Than One Hetero Atom): Imidazoles and other aspects.Electric Literature of 142327-44-4

On June 21, 2012, McInally, Thomas; Pimm, Austen published a patent.Electric Literature of 142327-44-4 The title of the patent was Imidazo[4,5-c]quinolin-1-yl derivative useful in therapy, and preparation thereof. And the patent contained the following:

The invention provides the compound of formula I and pharmaceutically acceptable salt thereof, pharmaceutical compositions containing the compound and the use of the compound in therapy. Compound I is useful in the treatment of asthma, COPD, allergic rhinitis, allergic conjunctivitis, atopic dermatitis, cancer, hepatitis B, hepatitis C, HIV, HPV, bacterial infections, actinic keratosis or pre-cancerous skin lesions. The experimental process involved the reaction of Methyl 2-(3-formylphenyl)acetate(cas: 142327-44-4).Electric Literature of 142327-44-4

The Article related to imidazoquinoline preparation asthma copd cancer hepatitis allergic rhinitis treatment, Heterocyclic Compounds (More Than One Hetero Atom): Imidazoles and other aspects.Electric Literature of 142327-44-4

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics