𝔖 Bobbio Scriptorium
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Syntheses with stable isotopes: Methanol-13C, methanol-13C-D4 and methanol-12C

✍ Scribed by D. G. Ott; V. N. Kerr; T. W. Whaley; T. Benziger; R. K. Rohwer

Publisher
John Wiley and Sons
Year
1974
Tongue
French
Weight
307 KB
Volume
10
Category
Article
ISSN
0022-2135

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✦ Synopsis

Abstract

Hydrogenation of carbon dioxide at mild temperature and preasure utilizing a copper‐zinc‐chromium catlyst has been developed for small‐ and large‐scale preparations of methanol and is applicable to various isotope isomers.

📜 SIMILAR VOLUMES

Syntheses with stable isotopes: Sodium c
Syntheses with stable isotopes: Sodium cyanide-13C, methane-13C, methane-13C-d4, and methane-d4
✍ D. G. Ott; V. N. Kerr; T. G. Sanchez; T. W. Whaley 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 French ⚖ 336 KB

## Abstract Hydrogenation of carbon‐^13^C dioxide over ruthenium‐on‐alumina catalyst at 300–400°C produced methane‐^13^C, which was passed with excess ammonia over platinum at 1000°C to give, after absorption of the product in sodium hydroxide solution, sodium cyanide‐^13^C in 90% overall yield. Me

Syntheses with stable isotopes: Acetic-1
Syntheses with stable isotopes: Acetic-1-13C,-2-13C,-13C2, and -12C2 acids
✍ Donald G. Ott; Vernon N. Kerr 📂 Article 📅 1976 🏛 John Wiley and Sons 🌐 French ⚖ 260 KB

## Abstract Rhodium‐catalyzed carbonylation of methanol at mild temperature and pressure has been developed for small‐ and large‐scale preparations of the carbon isotope isomers of acetic acid.

Syntheses with stable isotopes: Urea-13C
Syntheses with stable isotopes: Urea-13C, urea-12C, and urea-13C-15N2
✍ Thomas W. Whaley; Donald G. Ott 📂 Article 📅 1975 🏛 John Wiley and Sons 🌐 French ⚖ 178 KB

## Abstract Urea has been prepared from the reaction of carbon monoxide and ammonia in the presence of sulfur. The reaction has been applied to the synthesis of urea‐^13^C, urea‐^12^C, and urea‐^13^C‐^15^N~2~.

Biosynthesis of glucose-d-13C6 from Hans
Biosynthesis of glucose-d-13C6 from Hansenula polymorpha and methanol-13C
✍ Zhan-feng Liu; Zheng Ren; Da-gang Xu; Liang-jun Li 📂 Article 📅 2011 🏛 John Wiley and Sons 🌐 French ⚖ 267 KB

A simple and effective method for synthesis of glucose‐d‐^13^C~6~ by fermentation using the methylotrophic yeast __Hansenula polymorpha__ with 99% abundance methanol‐^13^C is described. Using methanol‐^13^C as a sole source of carbon, __H. polymorpha__ can accumulate large amounts of __α,α__‐trehalo

Syntheses with stable isotopes: Sodium c
Syntheses with stable isotopes: Sodium cyanide-13C
✍ Thomas W. Whaley; Donald G. Ott 📂 Article 📅 1975 🏛 John Wiley and Sons 🌐 French ⚖ 238 KB

## Abstract Sodium cyanide‐ ^13^C has been prepared in 65–70% overall yield from carbon‐^13^C monoxide in a three‐step synthesis proceeding through isopropyl formate‐ ^13^C and formamide‐ ^13^C as intermediates. Several. methods for the dehydration of formamide have been investigated.

Syntheses with stable isotopes: DL-valin
Syntheses with stable isotopes: DL-valine-13C3
✍ T. W. Whaley; V. N. Kerr; T. A. Lyle; G. H. Daub; E. S. Olsont 📂 Article 📅 1979 🏛 John Wiley and Sons 🌐 French ⚖ 374 KB

The synthesis of DL-2-amino-3-methyl-Cbutanoic-3,4-13C3 acid (DL-valine-13Cj) is described. Acetonitrile-2-13C was converted to 2methyl-13C-Z-thiazoline, which was dialkylated with methyl -13C iodide to give 2-(isopropyl-13C3) -2 -thiazoline. hydrolysis o f the isopropylthiazoline afforded 2-methyl