A concise method for the facile construction of 3-methyl-2-substituted benzo [b] furans and 3-
methyl-2-substituted benzo [b] thiophenes using low-cost, abundant, and easy-to-use solid …

Saturated six-membered rings were constructed directly using calcium carbide as an
acetylene source by one-step procedure, and functionalized cyclohexanes, 1, 3, 5 …

Main observation and conclusion A one‐pot three‐component method for the synthesis of 2‐
methyl‐3‐aminobenzofurans using calcium carbide as a concise solid alkyne source, and …

A concise method for the construction of 2-aryl-4 H-benzo [4, 5] thiazolo [3, 2-a] pyrimidines
using solid calcium carbide instead of gaseous acetylene as an alkyne source and 2 …

A concise stereoselective synthesis of (Z)-1, 2-bis (arylsulfanyl) ethenes by the reaction of
arylsulfonyl chlorides with calcium carbide in the presence of cuprous iodide as a catalyst is …

A straightforward and transition metal-free one-pot protocol to synthesize halobenzo [b]
furans has been developed employing simple and easily available starting materials such …

The direct synthesis of diarylethynes from less‐reactive aryl chlorides and calcium carbide
was accomplished by palladium catalysis. The coupling reaction is provided with broad …

In the 1950s and 1960s, a large portion of the calcium carbide produced worldwide was
transformed in industry into millions of tonnes of acetylene. Between 1960 and 1970, when …

A highly site-selective, one-pot, sequential C–N and C–C bond forming process was
developed, affording a carbazole-based skeleton that contains biphenyl and diarylacetylene …

An NHC-triggered, transition-metal-free strategy for the efficient synthesis of 2, 3-
disubstituted benzofuran derivatives in moderate to excellent yields from aryl or alkyl …