Dirk, S. M.’s team published research in Tetrahedron in 2001 | CAS: 74029-40-6

1,4-Diethynyl-2,5-dimethoxybenzene(cas: 74029-40-6) belongs to ethers.Oxygen is more electronegative than carbon, thus the alpha hydrogens of ethers are more acidic than those of simple hydrocarbons. They are far less acidic than alpha hydrogens of carbonyl groups (such as in ketones or aldehydes), however. Quality Control of 1,4-Diethynyl-2,5-dimethoxybenzene

Quality Control of 1,4-Diethynyl-2,5-dimethoxybenzeneOn June 11, 2001, Dirk, S. M.; Price, D. W.; Chanteau, S.; Kosynkin, D. V.; Tour, J. M. published an article in Tetrahedron. The article was 《Accoutrements of a molecular computer: switches, memory components and alligator clips》. The article mentions the following:

Several second generation memory components consisting of oligo(phenylene ethynylene)s containing easily reducible functionalities consisting of either nitro or quinone cores have been synthesized for incorporation into mol. electronic devices. Addnl., two new types of contacts between organic compounds and a metal surface based on diazonium salts or pyridine have been synthesized and integrated into mols. for use in mol. electronic devices. In the experiment, the researchers used 1,4-Diethynyl-2,5-dimethoxybenzene(cas: 74029-40-6Quality Control of 1,4-Diethynyl-2,5-dimethoxybenzene)

1,4-Diethynyl-2,5-dimethoxybenzene(cas: 74029-40-6) belongs to ethers.Oxygen is more electronegative than carbon, thus the alpha hydrogens of ethers are more acidic than those of simple hydrocarbons. They are far less acidic than alpha hydrogens of carbonyl groups (such as in ketones or aldehydes), however. Quality Control of 1,4-Diethynyl-2,5-dimethoxybenzene

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem