3,4-Dimethoxyphenethylamine synthesis of Bevantolol. DMPEA has some activity as a monoamine oxidase inhibitor. DMPEA occurs naturally along with mescaline in various species of cacti such as San Pedro and Peruvian Torch. 3,4-Dimethoxyphenethylamine 3,4-Dimethoxyphenethylamine (DMPEA) is a chemical compound of the phenethylamine class. It is an analogue of the major human neurotransmitter dopamine where the 3- and 4-position hydroxy groups have been replaced with methoxy groups. It is also closely related to mescaline which is 3,4,5-trimethoxyphenethylamine. One of the earliest syntheses of DMPEA (then referred to as "homoveratrylamine") was that of Pictet and Finkelstein, who made it in a multi-step sequence starting
Several Species of Small Furry Animals Gathered Together in a Cave and Grooving with a Pict Several Species of Small Furry Animals Gathered Together in a Cave and Grooving with a Pict "Several Species of Small Furry Animals Gathered Together in a Cave and Grooving with a Pict" is a track written and performed by Roger Waters from the 1969 Pink Floyd double album, "Ummagumma". It also holds the distinction of having the longest title of any of the band's songs. The track consists of several minutes of noises resembling rodents and birds simulated by Waters' voice and other techniques, such as tapping the microphone played at different speeds, followed by Waters providing a few stanzas