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A Procedural Explanation of the Generation Effect for Simple and Difficult Multiplication Problems and Answers

✍ Scribed by Danielle S McNamara; Alice F Healy

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
203 KB
Volume
43
Category
Article
ISSN
0749-596X

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📜 SIMILAR VOLUMES

A Simple and Effective Procedure for the
A Simple and Effective Procedure for the N-Permethylation of Amino-Substituted Naphthalenes
✍ Vladimir I. Sorokin; Valery A. Ozeryanskii; Alexander F. Pozharskii 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 English ⚖ 89 KB 👁 1 views

## Abstract A wide range of amino‐substituted naphthalenes can be __N__‐permethylated by the system Me~2~SO~4~/Na~2~CO~3~/H~2~O(alcohols) with good to excellent yields. Steric hindrance does not prevent the reaction. Some amines with electron‐withdrawing groups, especially at nonconjugated position