Here a Michael–aldol domino reaction for the construction of bispirooxindoles is presented, creating four stereocentres, including three quaternary carbon centres.

The Journal of Quaternary Science publishes original papers on any field of Quaternary research, and aims to promote a wider appreciation and deeper understanding of the earth's history during the ...

Quaternary Science Reviews; page 4; Quaternary Science Reviews. Date. 6 hours 12 hours 1 day 3 days all. Rank. Last day 1 week 1 month all. LiveRank. Last day 1 week 1 month all. Popular.

The remains of extinct Homo erectus dredged from the seabed off Java, along with thousands of animal fossils, are revealing a long-lost ecosystem.

S. Christopher Caran, Quaternary Paleoenvironmental and Paleoclimatic Reconstruction: A Discussion and Critique, with Examples from the Southern High Plains, Plains Anthropologist, Vol. 43, No. 164 ...

The quaternary period began 2.6 million years ago and extends into the present. Life as we know it began in the quaternary period. Seen from space, Grey Glacier resembles a great white bear come ...