neurobloom
Titanium Teammate
If coumarin and coumarin derivatives are common in poacea and extractable in a crude acid base like in the TLC protocol shouldn't we be seeing it very often in most phalaris samples? Why is it a rare occurrence?
Common but not ubiquitous, perhaps? Their presence in other grasses serves as an indicator of plausibility, not a guarantee that my suggestion is correct. Only a definitive form of chemical analysis would settle this question.If coumarin and coumarin derivatives are common in poacea and extractable in a crude acid base like in the TLC protocol shouldn't we be seeing it very often in most phalaris samples? Why is it a rare occurrence?
If coumarin and coumarin derivatives are common in poacea and extractable in a crude acid base like in the TLC protocol shouldn't we be seeing it very often in most phalaris samples? Why is it a rare occurrence?

It was revealed that the greatest contribution to the formation of field germination of seeds of mutant populations in the f1 and f2 generations was made by the mutagenic factor (20.36%), as well as the interaction of the factors "genotype × environment" (18.55%) and "mutagen × environment" (14.93%). A concentration of 0.01% was classified as semi-lethal for two samples. In the f2 generation, the mutagenic effectiveness of 0.002% phosphemid concentration exceeded 0.01% by more than 4 times. A low concentration was more effective and efficient for the variety 'Zernogradskiy 813' (17.43%) and sample Dz02-129 (12.04%). For sample C.I. In 10995, a high concentration of fosfemide proved more effective (29.66%), ensuring a high mutation rate (9.79%) with a relatively low mortality rate (33.00%). Nine different types were identified in the mutation spectrum. In the f3 generation, distinct inheritance of changes was confirmed in 46.43% of families.
The industrial and laboratory synthesis of Phosphemide is based on the phosphorylation of 2-aminopyrimidine, followed by nucleophilic substitution with aziridine.
Step 1: Phosphorylation (Synthesis of the Dichloride Intermediate)
2-Aminopyrimidine is reacted with phosphorus oxychloride (POCl₃). This reaction typically requires an organic base (such as pyridine or triethylamine) or an excess of the amine to act as an acid scavenger for the generated hydrochloric acid (HCl).
\(\text{C}_{4}\text{H}_{5}\text{N}_{3}+\text{POCl}_{3}\xrightarrow{}{\text{Base}}\text{C}_{4}\text{H}_{4}\text{N}_{3}\text{-NH-POCl}_{2}+\text{HCl}\)
- Product: Pyrimidin-2-ylphosphoramidic dichloride.
Step 2: Aziridinization (Chlorine Substitution)
The resulting dichloride intermediate is treated with aziridine (ethyleneimine). This step is highly exothermic and is conducted at low temperatures in an anhydrous organic solvent (e.g., benzene, toluene, or diethyl ether) or a weakly alkaline aqueous medium. An acid acceptor like triethylamine is added to neutralize HCl and prevent the premature acid-catalyzed opening of the aziridine rings.
- Product: Phosphemide (isolated via filtration of the amine salt followed by crystallization/purification of the filtrate).
Sounds like realistic plan.The pyrimidine ring targets the molecule toward rapidly dividing cancer cells by mimicking natural nucleic acid bases. Once inside the cell, the two aziridine rings undergo ring-opening under slightly acidic conditions, forming highly reactive carbonium ions. These ions covalently bind to DNA bases (predominantly at the N7 position of guanine), leading to DNA cross-linking, chromosome breakage, and inhibition of tumor cell replication.
Mutation breeding of Phalaris is reported in the literature; the Canadian group that bred the glabrous canaryseed used sodium azide. This is still a dangerous chemical (a little less acutely toxic than sodium cyanide, drain disposal absolutely forbidden since it can form explosive salts with the plumbing), but friendlier than the mutagens you mention above because it's not a human carcinogen. I think that would be a feasible amateur project and I may attempt it.This might be a bit off-topic. I find these interesting examples of mutations possible using the new substance. No English texts were found. There are a lot of links at the end of the article, but I haven't had time to check.
I guess the obvious question is whether that's just a mixture of DMT and 5-MeO-DMT, although the dose seems small for that. Have you spotted known mixtures of purified 5-MeO-DMT and DMT to determine how repeatably your TLC method can distinguish them? Or for all the effort you've invested, it must at some point be worth just paying a lab for MS.A 2 mg dose produced effects subjectively comparable to approximately 8 mg of reference DMT, while a 4 mg dose produced effects roughly comparable to approximately 15 mg of reference DMT.
Simple coumarins characterize primarily by blue, indigo, violet, or greenish fluorescence.(other paper is included as attachement)![]()
Frontiers | The biosynthetic pathway of coumarin and its genetic regulation in response to biotic and abiotic stresses
Coumarins, a class of metabolites derived from the phenylpropanoid pathway, play critical roles in plant development and interactions with environmental fact...www.frontiersin.org
It's hard to find any evidence supporting that coumarins are common in grasses. There are a few notable species like Hierochloe odorata and Anthoxanthum odoratum that are grasses. Those seem to an exception to the rule. That being said, phylogenetically they are not that far seperated from phalaris, they all belong to the subfamily pooideae, and they are found in the same sister clade "Poeae chloroplast group 1" according to this paper. But how they exactly are related is unclear. Other members of the highlighted clade have no evidence for containing coumarins.
UPDATE: After looking for more, I found that there is evidence that Avena sativa aka oats contains a coumarin called scopletin. Its in the same sister clade.
That being said, It could surely be possible. It's fluorescence is described as being very bright. So even if a little amount makes it through your mostly alkaloid specific separation method, you could see it. I wonder if the color would be the exact same though.