Athanor by arbastro
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How to sprout a reaction from a structure

Select a structure and choose Object › Chemistry › Sprout reaction. An arrow and a copy of the structure appear to its right; edit the copy into the product.

Steps

  1. Select the starting material, for example toluene.

  2. Choose Main menu › Object › Chemistry › Sprout reaction.

  3. An arrow and a copy of the structure appear to its right.

    Toluene with a reaction arrow and a copy of it on the right.Toluene with a reaction arrow and a copy of it on the right.

  4. Edit the copy into the product, and add conditions over the arrow. See How to draw a reaction.

Reactions and arrowsHow to draw a reaction schemeDraw or insert the reactants, press W and drag a reaction arrow after them, write the conditions above it with the Text tool, then add the products after the arrow. Or press / and type the whole reaction as reaction SMILES.Reactions and arrowsReaction arrow typesThe Arrow tool (W) has forward (1), equilibrium (2), lies forward (3), lies backward (4), resonance (5), retro (6), curly (7), fishhook (8) and no reaction (9), plus dashed and plain.

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Last updated Nov 12, 2026