𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Diastereoselective Radical Bromination of 5,6-Dihydro-4H-1,2-oxazines and Subsequent Substitution Reactions with Nitrogen Nucleophiles

✍ Scribed by Paulini, Klaus ;Reißig, Hans-Ulrich


Publisher
Wiley (John Wiley & Sons)
Year
1994
Tongue
English
Weight
487 KB
Volume
127
Category
Article
ISSN
0009-2940

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Simple Synthesis of 2-Substituted 2-Oxaz
✍ Dr. Helmut Witte; Dr. Wolfgang Seeliger 📂 Article 📅 1972 🏛 John Wiley and Sons 🌐 English ⚖ 206 KB 👁 1 views

application may be in medicine where it might be possible to form three dimensional images of biological structures assuming that the problems associated with the transmission of sound in tissue can be solved. The fact that systems for use in acoustical holography are rapidly becoming all-electroni

Synthesis of trialkylsiloxy-substituted
✍ Hippeli, Claudia ;Reißig, Hans-Ulrich 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 857 KB

## Abstract A variety of 5,6‐dihydro‐4__H__‐1,2‐oxazines 3 and 4 is prepared in good yields from silyl enol ethers 1 and nitroso alkenes 2a or 2b, respectively. A systematic variation of substituents reveals preparative scope and limitations of this hetero Diels‐Alder reaction with inverse electron

Chemoselective reaction of formalin with
✍ Ramaiyan Manikannan; Shanmugam Muthusubramanian 📂 Article 📅 2008 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 263 KB

## Abstract magnified image Reaction of 2‐(5‐substituted‐2‐hydroxybenzylamino)phenols (**2**) with formalin in ethanol under reflux has chemoselectively led to 2‐(6‐substituted‐2__H__—benzo[__e__][1,3]oxazin‐3(4__H__)‐yl)phenols (**3**) in good yield involving the ring closure of the hydroxyl grou