𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Urinary excretion of 3-methoxy-4-hydroxymandelic acid in children with neuroblastoma

✍ Scribed by Stella B. Kontras

Publisher
John Wiley and Sons
Year
1962
Tongue
English
Weight
766 KB
Volume
15
Category
Article
ISSN
0008-543X

No coin nor oath required. For personal study only.

✦ Synopsis

R3ISTKONG and co-workers2 in 1956 first de-A scribed a metabolite of norepinephrine in human urine that Armstrong et al.3 in 1957 idcntified a5 3-r1iethoxy-4-Lrvdroxyluandelic acid, or vanilmandelic acid (VMA). 'This phenolic ;Icid was soon confirmed to be the chief bie;iktlown product of norepinephrine and epinephrine and represents a measure of ca-__ &'ioin I Irc tlepnrtnicnts of Pediatrics antl Pathology, Cliildrcn's Hospital,

📜 SIMILAR VOLUMES

Measurement of 3-methoxy-4-hydroxyphenyl
Measurement of 3-methoxy-4-hydroxyphenylacetic acid (HVA) in plasma by high-performance liquid chromatography with electrochemical detector (HPLC-EC)
✍ J.I. Javaid; T.S. Liu; J.W. Maas; J.M. Davis 📂 Article 📅 1983 🏛 Elsevier Science 🌐 English ⚖ 410 KB

A simple and sensitive high-performance liquid chromatography method with electrochemical detector is described for the determination of free 3-methoxy-4-hydroxyphenylacetic acid (HVA) in human plasma. The method does not involve any extraction, is specific and reproducible, and has the potential to

Reactions of 3-acetyltropolone with benz
Reactions of 3-acetyltropolone with benzaldehydes in trimethyl orthoformate in the presence of perchloric acid: Synthesis of 2-aryl-4-methoxy-9-oxocyclohepta[b]pyrylium perchlorates
✍ Dao-Lin Wang; Kimiaki Imafuku 📂 Article 📅 1998 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 192 KB 👁 2 views

## Abstract 3‐Acetyltropolone (1) reacted with benzaldehydes in trimethyl orthoformate in the presence of perchloric acid to afford 2‐aryl‐4‐methoxy‐9‐oxocyclohepta[__b__]pyrylium perchlorates 3a‐c in 25–37% yields. From the filtrates, 3‐(3,4‐diaryl‐3‐butenoyl)tropolones 4a,b and 3‐(2‐methoxycinnam